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Ordering number : EN*A1621
Thick-Film Hybrid IC
STK416-090-E
Overview
3-Channel Power Switching Audio Power IC, 80W+80W+80W
The STK416-090-E is a class H audio power amplifier hybrid IC that features a built-in power supply switching circuit. This IC provides high efficiency audio power amplification by controlling (switching) the supply voltage supplied to the power devices according to the detected level of the input audio signal.
Applications
* Audio power amplifiers.
Features
* Pin-to-pin compatible outputs ranging from 80W to 180W. * Can be used to replace the STK415-100 series (2-channel models) and the class-AB series (2, 3-channel models) due to its pin compatibility. * Pure complementary construction by new Darlington power transistors * Output load impedance: RL = 8 to 4 supported * Using insulated metal substrate that features superlative heat dissipation characteristics that are among the highest in the industry.
Series Models
STK416-090-E Output 1 (10%/1kHz) Output 2 (0.8%/20Hz to 20kHz) Max. rated VH (quiescent) Max. rated VL (quiescent) Recommended operating VH (8) Recommended operating VL (8) Dimensions (excluding pin height) 80Wx3ch 50Wx3ch 60V 41V 38V 27V STK416-100-E 90Wx3ch 60Wx3ch 65V 42V 39V 29V STK416-120-E 120Wx3ch 80Wx3ch 73V 45V 46V 32V STK416-130-E 150Wx3ch 100Wx3ch 80V 46V 51V 34V
78.0mmx44.1mmx9.0mm
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment.
21710HKIM No. A1621-1/12
STK416-090-E
Specifications
Absolute maximum ratings at Ta=25C (excluding rated temperature items), Tc=25C unless otherwise specified
Parameter VH maximum quiescent supply voltage 1 VH maximum supply voltage 2 VH maximum supply voltage 3 VL maximum quiescent supply voltage 1 VL maximum supply voltage 2 VL maximum supply voltage 3 Maximum voltage between VH and VL *4 Standby pin maximum voltage Thermal resistance Junction temperature IC substrate operating temperature Storage temperature Allowable load shorted time *3 Symbol VH max (1) VH max (2) VH max (3) VL max (1) VL max (2) VL max (3) VH-VL max Vst max j-c Tj max Tc max Tstg ts VH=38V, VL=27V, RL=8, f=50Hz, PO=50W, 1-channel active Per power transistor Both the Tj max and Tc max conditions must be met. When no signal RL6 RL4 When no signal RL6 RL4 No loading Conditions Ratings 60 53 43 41 36 29 60 -0.3 to +5.5 2.1 150 125 -30 to +125 0.3 Unit V V V V V V V V C/W C C C s
Electrical Characteristics at Tc=25C, RL=8 (non-inductive load), Rg=600, VG=40dB, VZ=15V
Conditions *1 Parameter Output power Symbol PO (1) PO (2) Total harmonic distortion Frequency characteristics Input impedance Output noise voltage Quiescent current *2 THD fL, fH ri VNO ICCO VN VST ON *7 VST OFF *7 VH VL VH VL VH VL VH VL VH VL VH VL VH VL Output neutral voltage Pin 17 voltage when standby ON Pin 17 voltage when standby OFF VH VL VH VL VH VL V (V) 38 27 30 23 38 27 38 27 38 27 45 30 45 30 45 30 38 27 38 27 Standby Operating 2.5 1k f (Hz) 20 to 20k 1k 20 to 20k 50 1.0 1.0 Rg=2.2k +0 -3dB PO (W) THD (%) 0.8 0.8 RL=4 min 50 W 50 0.4 20 to 50k 55 1.0 40 150 -70 0 0 3.0 +70 0.6 % Hz k mVrms Ratings typ max unit
RL=
mA
mV V V
[Remarks] *1: Unless otherwise specified, use a constant-voltage power supply to supply power when inspections are carried out. *2: The output noise voltage values shown are peak values read with a VTVM. However, an AC stabilized (50Hz) power supply should be used to minimize the influence of AC primary side flicker noise on the reading. *3: Use the designated transformer power supply circuit shown in the figure below for the measurements of allowable load shorted time and output noise voltage. *4: Design circuits so that (|VH|-|VL|) is always less than 40V when switching the power supply with the load connected. *5: Set up the VL power supply with an offset voltage at power supply switching (VL-VO) of about 8V as an initial target. *6: Please connect -Pre VCC pin (#5 pin) with the stable minimum voltage and connect so that current does not flow in by reverse bias. *7: Use the standby pin (pin 17) so that the applied voltage never exceeds the maximum rating. The power amplifier is turned on by applying +2.5V to +5.5V to the standby pin (pin 17).
Continued on next page. No. A1621-2/12
STK416-090-E
Continued from preceding page.
*8: Thermal design must be implemented based on the conditions under which the customer's end products are expected to operate on the market. *9: The thermoplastic adhesive is used to bond the case and the aluminum substrate, so, please be sure to fix the Hybrid IC on the heat sink before soldering and mount it. In addition, please attach and remove the heat sink at normal temperature. *10: Weight of HIC: 36.8g Outer carton dimensions (WxLxH): 452mmx325mmx192mm
DBA40C
10000F + 500 + 500 10000F -VH +VH
DBA40C
10000F + 500 + 500 10000F -VL +VL
Designated transformer power supply (MG-250 equivalent)
Designated transformer power supply (MG-200 equivalent)
Package Dimensions
unit:mm (typ)
78.0 70.0 (R1.8) 9.0
21.7
44.1
1 3.6 2.0 0.5 22 2.0=44.0 23
5.0
26.5
4.0
0.4 2.9 5.5
(13.0)
No. A1621-3/12
STK416-090-E
Internal Equivalent Circuit
19 18 11 10
12
7
Pre Driver CH1
Pre Driver CH2
Comparator
3
15 16 1
2
Stand-by Circuit
5 4
Pre Driver CH3 SUB
13 17 14 12 98
Comparator
6
20
21
23 22
Test Circuit STK416-100-E series
+OFF -OFF OUT OUT OUT OUT IN NF ST NF IN IN NF OUT OUT +VL -VL SET SET -Pre -VH +VH Ch1+ Ch1- Ch2+ Ch2- +Pre SUB GND Ch1 Ch1 BY Ch2 Ch2 Ch3 Ch3 Ch3+ Ch38 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 45 6 7 2 3 1
R30
Stand-by
C22 D03 D04 R24 R26 R18 C07 R19 C08 R14 C13
C23
C24 R28 R20 C09 C18 R07 C21 C17 R06 R05 R23 Ch3-IN R22 C20 GND C19 Ch1-IN R21 Ch2-IN
R15 C14
R16 C15
+VH +VL
C16 C01 C03 D01 R01 R02 C06 D02 R04 L01 R11 R03 C05 L02 R12 C12 R10 L03 R13
Ch3-OUT
GND C04 -VL -VH C02
C11 R09 R08 C10
Ch2-OUT
GND Ch1-OUT
No. A1621-4/12
STK416-090-E
Recommended External Components
Parts Location R01, R02 R03, R04 Recommended Value 1.5k 100/1W is determined. Resistance for ripple filter. (Fuse resistance is recommended. Ripple filter is constituted with C05, C06.) R05, R06, R07 R08, R09, R10 R11, R12, R13 R14, R15, R16 R18, R19, R20 R21, R22, R23 R24, R26, R28 R30 C01, C02 56k 4.7/1W 4.7 560 56k 1k 0.22 10%, 5W Note*6 100F/100V Input impedance is determined. Resistance for oscillation prevention. Noise absorption resistance. Voltage gain (VG) is determined with R18, R19, R20. (As for VG, it is desirable to set up by R14, R15, R16.) Voltage gain (VG) is determined with R14, R15, R16 Resistance for input filters. Output emitter resistor (Metal-plate Resistor is recommended.) rating. Capacitor for oscillation prevention. *Locate near the HIC as much as possible. *Power supply impedance is lowered and stable operation of the IC is carried out. (Electrolytic capacitor is recommended.) C03, C04 100F/50V Capacitor for oscillation prevention. *Locate near the HIC as much as possible. *Power supply impedance is lowered and stable operation of the IC is carried out. (Electrolytic capacitor is recommended.) C05, C06 100F/100V Decoupling capacitor *The ripple ingredient mixed in an input side is removed from a power supply line. (Ripple filter is constituted with R03, R04.) C07, C08, C09 C10, C11, C12 C13, C14, C15 3pF 0.1F 22F/10V Capacitor for oscillation prevention. Capacitor for oscillation prevention. Negative feedback capacitor. *The cutoff frequency of a low cycle changes. (fL=1/(2*C13*R14)) It may oscillate. It may oscillate. The voltage gain (VG) of low frequency is extended. However, the pop noise at the time of a power supply injection also becomes large. C16, C17, C18 C19, C20, C21 2.2F/50V 470pF Input coupling capacitor (for DC current prevention.) Input filter capacitor *A high frequency noise is reduced with the filter constituted by R21, R22, R23. C22, C23, C24 D01, D02 D03, D04 L01, L02, L03 100pF 15V 3A/60V 3H Capacitor for oscillation prevention. Decide offset voltage for supply voltage ciecuit. Adverse current prevention diode (FRD is recommended) Coil for oscillation prevention. no problem It may oscillate. Decrease distortion at supply voltage shift With especially Increase distortion at supply voltage shift It may oscillate. The voltage gain (VG) of low frequency decreases. The change in the ripple ingredient mixed in an input side from a power supply line (VG<40dB) Decrease of maximum output power runaway Circuit Purpose Current for supply switch circuit (comparator) Above Recommended Value VH holding frequency range becomes large. Below Recommended Value VH holding frequency range becomes narrow. Short-through current may increase at high frequency. Output neutral voltage (VN) shift. (It is referred that R05=R18, R06=R19, R07=R20) It may oscillate. problem It may cause thrmal With especially no
Select restriction resistance, for the impression voltage of `#17 (stand-by) pin' must not exceed the maximum
No. A1621-5/12
STK416-090-E
Sample PCB Trace Pattern
STK415-100-E-Sr/STK416-100-E-Sr PCB PARTS LIST
STK415, 416-100-E Series PCB Parts List
PCB Name: STK415/416sr-PCB C
Location No. (*2) 2ch Amp doesn't mount parts of ( ). R01, R02 R03, R04 R05, R06, (R07), R18, R19, (R20) R08, R09, (R10) R11, R12, (R13) R14, R15, (R16) R21, R22, (R23) R24, R26, (R28) R25, R27, (R29) R35, R36, (R37) C01, C02, C05, C06 C03, C04 C07, C08, (C09) C10, C11, (C12) C13, C14, (C15) C16, C17, (C18) C19, C20, (C21) C22, C23, (C24) D01, D02 D03, D04 L01, L02, (L03) Stand-by Control Circuit Tr1 D05 R30 R32 R33 R34 C25 J01, 02, J03, J04, J05, J06 (*3) PARTS ERG1SJ152 ERG1SJ101 RN16S563FK ERX1SJ4R7 RN14S4R7FK RN16S561FK RN16S102FK ERX2SJR22 100MV100HC 100MV50HC DD104-63CJ030C50 ECQ-V1H104JZ 10MV22HC 50MV2R2HC DD104-63B471K50 DD104-63B101K50 GZA15X ERC91-02SC 2SC1209 (Reference) GMB05 (Reference) RN16S512FK RN16S102FK RN16S333FK RN16S202FK 10MV47HC RATING 1.5k, 1W 100, 1W 56k, 1/6W 4.7, 1W 4.7, 1/4W 560, 1/6W 1k, 1/6W 0.22, 5W (*1) 100F, 100V 100F, 63V 3pF, 50V 0.1F, 50V 22F, 10V 2.2F, 50V 470pF, 50V 100pF, 50V VZ=15V 60V, 3A (FRD) 3H VCE80V, IC10mA Di 2.7k, 1/6W 1k, 1/6W 33k, 1/6W 2k, 1/6W 47F, 10V Component enabled enabled enabled enabled enabled enabled enabled enabled Short Short enabled enabled enabled enabled enabled enabled enabled enabled enabled enabled enabled enabled enabled enabled enabled enabled enabled enabled enabled
(*1) Metal Plate Cement Resistor use. (*2) STK415series (2ch Amp) doesn't mount parts of ( ) (*3) STK415-140-E uses GZA18X (ZD=18X) for D01, D02.
No. A1621-6/12
STK416-090-E
Pin Assignments
[STK433-000/-100/-200 Sr & STK415/416-100 Sr Pin Layout]
2ch class-AB STK433-030-E 30W/JEITA STK433-040-E 40W/JEITA STK433-060-E 50W/JEITA STK433-070-E 60W/JEITA STK433-090-E 80W/JEITA STK433-100-E 100W/JEITA STK433-120-E 120W/JEITA STK433-130-E 150W/JEITA 3ch class-AB STK433-230A-E 30W/JEITA STK433-240A-E 40W/JEITA STK433-260A-E 50W/JEITA STK433-270-E 60W/JEITA STK433-290-E 80W/JEITA STK433-300-E 100W/JEITA STK433-320-E 120W/JEITA STK433-330-E 150W/JEITA 2ch class-H STK415-090-E 80W/JEITA STK415-100-E 90W/JEITA STK415-120-E 120W/JEITA STK415-130-E 150W/JEITA STK415-140-E 180W/JEITA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2ch classAB/2.00mm P R E V C C + V C C O U T / C H 1 + O U T / C H 1 O U T / C H 2 + O U T / C H 2 + P R E S U B * G N D G N D I N / C H 1 N F / C H 1 S T A N D | B Y N F / C H 2 I N / C H 2
3ch classAB/2.00mm P R E V C C + V C C O U T / C H 1 + O U T / C H 1 O U T / C H 2 + O U T / C H 2 + P R E S U B * G N D G N D I N / C H 1 N F / C H 1 S T A N D | B Y N F / C H 2 I N / C H 2 I N / C H 3 N F / C H 3 O U T / C H 3 + O U T / C H 3 -
2ch classH/2.00mm + V L V L + O F F S E T 1 2 3 O F F S E T 4 5 6 7 P R E V H + V H O U T / C H 1 + 8 O U T / C H 1 9 O U T / C H 2 + 10 O U T / C H 2 11 12 + P R E S U B * G N D 13 14 15 16 G N D I N / C H 1 N F / C H 1 S T A N D | B Y 17 18 19 20 21 22 23 N F / C H 2 I N / C H 2
3ch class-H STK416-090-E 80W/JEITA STK416-100-E 90W/JEITA STK416-120-E 120W/JEITA STK416-130-E 150W/JEITA
3ch classH/2.00mm + V L V L + O F F S E T O F F S E T P R E V H + V H O U T / C H 1 + O U T / C H 1 O U T / C H 2 + O U T / C H 2 + P R E S U B * G N D G N D I N / C H 1 N F / C H 1 S T A N D | B Y N F / C H 2 I N / C H 2 I N / C H 3 N F / C H 3 O U T / C H 3 + O U T / C H 3 -
No. A1621-7/12
STK416-090-E
Evaluation Board Characteristics
Total power dissipation within the board, Pd - W
10 7 5 3 2 1.0 7 5 3 2 0.1 7 5 3 2 0.01 7 5 3 2 0.001 1.0 2
THD - PO
VH=38V VL=27V VG=40dB Rg=600 Tc=25C RL=8 3ch Drive
150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 0.1
Pd - PO
VH=38V VL=27V VG=40dB f=1kHz Rg=600 Tc=25C RL=8 3ch Drive
Total harmonic distortion, THD - %
f=20k
Hz
1kHz
3
5 7 10
2
3
5 7 100
2
3
5 7 1000
ITF02727
23
5 7 1.0
23
5 7 10
23
5 7 100
23
57 1000
ITF02728
Output power, PO/ch - W
150 140 130 120
PO - V L
Output power, PO/ch - W
150 140 130 120
PO - V H
Output power, PO/ch - W
Output power, PO/ch - W
110 100 90 80 70 60 50 40 30 20
VH=38V VG=40dB f=1kHz RL=8 3ch Drive Rg=600
110 100 90 80 70 60 50 40 30 20
VL=27V VG=40dB f=1kHz RL=8 3ch Drive Rg=600
z) kH ) =1 Hz (f 1k % (f = 10 D= 0.8% z) T H D= kH H 20 T (f = .8% =0 D TH
10 0 10
20
30
40
ITF02729
10 0 20
30
40
50
60
ITF02730
Supply voltage, VL - V
150 140 130 120
PO - f
Supply voltage, VH - V
Output power, PO/ch - W
110 100 90 80 70 60 50 40 30 20 10 0 10
VH=38V VL=27V RL=8 3ch Drive VG=40dB Tc=25C THD=10% THD=0.8%
23
5 7 100
23
5 7 1k
23
5 7 10k
23
5 7100k
ITF02731
Frequency, f - Hz
No. A1621-8/12
STK416-090-E
[Thermal Design Example for STK416-090-E (RL = 8)] The thermal resistance, c-a, of the heat sink for total power dissipation, Pd, within the hybrid IC is determined as follows. Condition 1: The hybrid IC substrate temperature, Tc, must not exceed 125C. Pd x c-a + Ta < 125C ................................................................................................. (1) Ta: Guaranteed ambient temperature for the end product Condition 2: The junction temperature, Tj, of each power transistor must not exceed 150C. Pd x c-a + Pd/N x j-c + Ta < 150C .......................................................................... (2) N: Number of power transistors j-c: Thermal resistance per power transistor However, the power dissipation, Pd, for the power transistors shall be allocated equally among the number of power transistors. The following inequalities result from solving equations (1) and (2) for c-a. c-a < (125 - Ta)/Pd ...................................................................................................... (1)' c-a < (150 - Ta)/Pd - j-c/N ........................................................................................ (2)' Values that satisfy these two inequalities at the same time represent the required heat sink thermal resistance. When the following specifications have been stipulated, the required heat sink thermal resistance can be determined from formulas (1)' and (2)'. * Supply voltage VH, VL * Load resistance RL * Guaranteed ambient temperature Ta [Example] When the IC supply voltage, VH=38V, VL=27V and RL is 8, the total power dissipation, Pd, within the hybrid IC, will be a maximum of 91W at 1kHz for a continuous sine wave signal according to the Pd-PO characteristics. For the music signals normally handled by audio amplifiers, a value of 1/8PO max is generally used for Pd as an estimate of the power dissipation based on the type of continuous signal. (Note that the factor used may differ depending on the safety standard used.) This is: Pd 45.0W (when 1/8PO max. = 6.25W, PO max. = 50W).
The number of power transistors in audio amplifier block of these hybrid ICs, N, is 4, and the thermal resistance per transistor, j-c, is 2.1C/W. Therefore, the required heat sink thermal resistance for a guaranteed ambient temperature, Ta, of 50C will be as follows. From formula (1)' c-a < (125 - 50)/45.0 < 1.67 From formula (2)' c-a < (150 - 50)/45.0 - 2.1/6 < 1.87 Therefore, the value of 1.67C/W, which satisfies both of these formulae, is the required thermal resistance of the heat sink. Note that this thermal design example assumes the use of a constant-voltage power supply, and is therefore not a verified design for any particular user's end product.
No. A1621-9/12
STK416-090-E
STK416-100-E Series Stand-by Control & Mute Control Application STK416-100-E Series
+OFF -OFF OUT OUT OUT OUT IN NF +VL -VL SET SET -Pre -VH +VH Ch1+ Ch1- Ch2+ Ch2- +Pre SUB GND Ch1 Ch1
4.7k
ST NF IN IN NF OUT OUT BY Ch2 Ch2 Ch3 Ch3 Ch3+ Ch3-
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
#17pin standard voltage VST 1k 2.7k 33k 47F /10V 2k 10k 10k 470pF Ch3-IN Ch2-IN GND 10k Ch3-OUT Ch2-OUT 10k 2.2k +5V +5V MUTE ST-BY PLAY ST-BY MUTE Ch1-IN Mute Control H: Single Mute L: Normal Stand-by Control (ex) H: Operation Mode (+5V) L: Stand-by Mode (0V)
+VH +VL GND -VL -VH GND Stand-by Control
Ch1-OUT Mute Control
STK416-100-E Series Application explanation
Operate mode (VSTOFF) 2.5V Stand-By mode (VSTON) <0.6V (0V typ)
STK416-100-E Series
Point.B -Pre -VH +VH Ch1 Ch1 Ch2 Ch2 OUT(+) OUT(-) OUT(+) OUT(-) +Pre
Stand-by Circuit in Pre Driver IC
SW transistor VBE
4.7k (*3)
SUB
Ch1 GND IN
Ch1 ST NF BY
Ch2 NF
Ch2 IN
Ch3 Ch3 OUT(+) OUT(-)
1
4
5
6
7
8
0.22/5W
9
56k
10
6.8k
11
0.22/5W
12
13
14
15
16
17
18
19
22
56k 6.8k
23
0.22/5W
56k 6.8k
I1 Tr2 56k 22k 56k I3 I2 Tr4 (*4) R2 0.1F 1k 10k Tr3 (3) Latch-up 100k circuit part -VCC 82k 82k Tr5 Tr6 22F 82k 22F 100 k (4) DC vffset protection (*1) R1 Tr5 ex) 2.7k 33F
56k
Point.C
56k
(2) Load short detection part
Tr1
Tr2
OUT Ch3
1k 33k 2k
1) Stand-by control circuit part H: Operation mode (+5V) L: Stand-by mode (0V)
OUT Ch1
OUT Ch2
(*2) ex) +5V
No. A1621-10/12
STK416-090-E
A protection application circuit of STK416-100sr consists of each block of (1)-(4). (1)Stand-by control circuit part (2)Load short detection part (3)Latch-up circuit part (4)DC voltage protection part 1) Stand-by control circuit part About #17 pin reference voltage VST. <1> Operation mode The SW transistor of pre-driver IC is turned on at VST 2.5V, and the amplifier becomes operation mode. ex) at VST (min) = 2.5V VST = (*2) x IST + 0.6V 2.5V=4.7k x IST + 0.6V, I1 0.40mA <2> Stand-by mode The SW transistor of pre-driver IC is turned off at VST 0.6V (typ 0V), and the amplifier becomes stand-by mode. ex) at VST = 0.6V VST = (*2) x IST+0.6V 0.6V = 4.7k x IST + 0.6V, I1 0mA (*1) Resistance for restriction Please set R1 for the voltage (VST) of the stand-by terminal to become ratings (+2.5V to 5.5V (typ 3.0V)). (*2) Please supply the stand-by control voltage by the microcomputer etc. (*3) The limitation resistance is built into hybrid IC internal (#17pin) and 4.7k is built into. 2) Load short detection part Please refer to the attached paper (RL short protect explanation) for the operation explanation. TR1 (or TR2) doesn't move by normal operation. Because, Point.B - Point.C < 0.6V. Therefore load short detection part doesn't operate. But, when a load short-circuited, TR1 (or TR2) operate (Point.B - Point.C > 0.6V), and an electric current `I2' flows. 3) Latch-up circuit part When I2 was supplied to latch-up circuit, TR3 operate. VST becomes stand-by mode (0V) when TR3 operates (I3 flows), the power amplifier is protected. Stand-by mode is maintained when once TR3 operates because TR3 and TR4 compose the thyristor. It is necessary to make the Stand-by control voltage (*2) L (0V) once to release stand-by mode and to make the power amplifier operate again. After, when stand-by control (*2) is returned to H (ex, +5V), it operates again. (*4) I3 is changed depending on the power-supply voltage (-VCC). Please set resistance (R2) to become I1 < I3 by the following calculation types. I1 I3=VCC/R2 4) DC offset protection part DC offset protection works at applying VDC (+), VDC (-) 0.5V (typ) to `OUT CH1' or `OUT Ch2', then HIC will shutdown (stand-by mode). It is necessary to make the stand-by control voltage (*2) L (0V) once to release stand-by mode. The power amplifier operates again after stand-by control (*2) return to H (ex, +5V). Please set the protection level by the resistance of `82k'. Moreover, please set the time constant by `22//22' so as not to mis-detect it when the audio signal is output.
No. A1621-11/12
STK416-090-E
SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellectual property rights which has resulted from the use of the technical information and products mentioned above.
This catalog provides information as of February 2010. Specifications and information herein are subject to change without notice.
PS No. A1621-12/12

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