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TS321
Low power single operational amplifier
Features

Large output voltage swing: 0 to 3.5 V min. (VCC = 5 V) Low supply current: 500 A Low input bias current: 20 nA Low input offset voltage: 2 mV max. Wide power supply range: - Single supply: +3 V to +30 V - Dual supplies: 1.5 V to 15 V Stable with high capacitive loads SO-8 (Plastic micropackage)
SOT23-5 (Plastic package)
Description
The TS321 is intended for cost-sensitive applications where space saving is of great importance. This bipolar op-amp offers the benefits of a reduced component size (SOT23-5 package), with specifications that match (or are better than) industry standard devices (like the popular LM358A, LM324, etc.). The TS321 has an input common mode range (Vicm) that includes ground, and therefore can be employed in single supply applications. Pin connections (top view)
N.C. Inverting input Non-inverting input V CC
1 2 3 4
+
8 7 6 5
N.C. + VCC Output N.C.
Output V CC Non-inverting input
1
5
+ VCC
2
3
4
Inverting input
July 2008
Rev 6
1/13
www.st.com 13
Circuit schematics
TS321
1
Circuit schematics
Figure 1. Schematic diagram
V CC
6mA
4mA CC
100mA
Q5 Q6
Inverting input Non-inverting input
Q2 Q1
Q3 Q4 Q11
Q7 R SC Output Q13 Q10 Q12 50mA GND
Q8
Q9
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TS321
Absolute maximum ratings and operating conditions
2
Table 1.
Symbol VCC+ Vi Vid
Absolute maximum ratings and operating conditions
Absolute maximum ratings
Parameter Supply voltage Input voltage Differential input voltage Output short-circuit duration (1) Iin Tstg Tj Rthja Input current
(2)
Value 16 to 32 -0.3 to +32 +32 Infinite 50 -65 to +150 +150 250 125 81 40 300 200
Unit V V V
mA C C C/W
Storage temperature range Maximum junction temperature Thermal resistance junction to ambient (3) SOT23-5 SO-8 Thermal resistance junction to case(3) SOT23-5 SO-8 HBM: human body model(4) MM: machine model
(5)
Rthjc
C/W
ESD
CDM: charged device model(6) Sot23-5 SO-8
V 1000 1500
1. Short-circuits from the output to VCC can cause excessive heating if VCC > 15 V. The maximum output current is approximately 40 mA independent of the magnitude of VCC. 2. This input current only exists when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the input PNP transistor becoming forward biased and thereby acting as input diodes clamps. In addition to this diode action, there is also NPN parasitic action on the IC chip. This transistor action can cause the output voltages of the Op-amps to go to the VCC voltage level (or to ground for a large overdrive) for the time during which an input is driven negative. This is not destructive and normal output is restored when the input voltage goes back above -0.3V. 3. Short-circuits can cause excessive heating. Destructive dissipation can result from simultaneous short-circuits on all amplifiers. All values are typical. 4. Human body model: a 100 pF capacitor is charged to the specified voltage, then discharged through a 1.5 k resistor between two pins of the device. This is done for all couples of connected pin combinations while the other pins are floating. 5. Machine model: a 200 pF capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5 ). This is done for all couples of connected pin combinations while the other pins are floating. 6. Charged device model: all pins and the package are charged together to the specified voltage and then discharged directly to the ground through only one pin. This is done for all pins. The CDM value applies to SO-8 only.
3/13
Absolute maximum ratings and operating conditions Table 2.
Symbol VCC+ Vicm Toper Supply voltage Common mode input voltage range (VCC = 30 V) Tamb = +25C Tmin Tamb Tmax Operating free-air temperature range
+
TS321
Operating conditions
Parameter Value 3 to 30 0 to VCC+ -1.5 0 to VCC+ -2 -40 to +125 Unit V V C
4/13
TS321
Electrical characteristics
3
Table 3.
Symbol
Electrical characteristics
VCC+ = +5V, VCC- = Ground, Vo = 1.4V, Tamb = +25C (unless otherwise specified)
Parameter Conditions TS321 TS321A Tmin Tamb Tmax TS321 TS321A Tmin Tamb Tmax 20 Tmin Tamb Tmax , VCC+ = +15V, RL = 2k Vo = 1.4V to 11.4V Tmin Tamb Tmax 50 25 65 100 Min. Typ. 0.5 Max. 4 2 mV 5 3 2 30 50 150 200 nA nA V/mV dB 800 900 A 600 900 1000 dB mA Unit
Vio
Input offset voltage (1)
Iio Iib Avd SVR
Input offset current Input bias current (2) Large signal voltage gain
Supply voltage rejection Rs 10k, VCC+ = 5 to 30V ratio VCC+ = +5V VCC+ = +30V Tmin Tamb Tmax VCC+ = +5V VCC+ = +30V
110 500 600
ICC
Supply current, no load
CMR Isource
Common mode rejection Rs 10k ratio Output current source Vid = +1V VCC+ = +15V, Vo = +2V Vid = -1V VCC+ = +15V, Vo = +2V VCC+ = +15V, Vo = +0.2V VCC+ = +15V
+
65 20
85 40
Isink Io
Output sink current Short-circuit to ground
10 12
20 50 40 60
mA A mA
VOH
VCC = +30V, RL = 2k Tmin Tamb Tmax VCC+ = +30V, RL = 10k High level output voltage Tmin Tamb Tmax VCC+ = +5V, RL = 2k Tmin Tamb Tmax Low level output voltage Slew rate Gain bandwidth product Phase margin RL = 10k Tmin Tamb Tmax , VCC+ = +15V, Vi = 0.5 to 3V, RL = 2k CL = 100pF, unity gain VCC+ = 30V, f = 100kHz, Vin = 10mV, RL = 2k CL = 100pF ,
26 25.5 27 26.5 3.5 3
27 28
V
VOL SR GBP m
5
15 20
mV V/s MHz Degrees
0.4 0.8 60
5/13
Electrical characteristics Table 3.
Symbol THD en
TS321
VCC+ = +5V, VCC- = Ground, Vo = 1.4V, Tamb = +25C (unless otherwise specified) (continued)
Parameter Total harmonic distortion Equivalent input noise voltage Conditions , f = 1kHz, AV = 20dB, RL = 2k Vo = 2Vpp, CL = 100pF, VCC+ = +30V f = 1kHz, Rs = 100 VCC+ = +30V , Min. Typ. 0.015 40 Max. Unit %
nV ----------Hz
1. Vo = 1.4 V, Rs = 0 , 5 V < VCC+ < 30 V, 0 < Vicm < VCC+ - 1.5 V. 2. The direction of the input current is out of the IC. This current is essentially constant and independent of the state of the output, therefore there is no change in the load on the input lines.
6/13
TS321
Electrical characteristics
Figure 2.
Current consumption versus temperature
Figure 3.
AC coupled inverting amplifier
Rf 100kW
CI
R1 10kW
R1 (as shown AV = -10) Co 0 eo RB 6.2kW R3 100kW RL 10kW 2V PP
A V= -
Rf
eI ~ R2 100kW V CC
C1 10mF
Figure 4.
Non-inverting DC gain
A V = 1 + R2 R1
Figure 5.
AC coupled non-inverting amplifier
R2 1MW A V= 1 + R2 R1 (as shown A = 11) V Co 2V PP
R1 100kW C1 0.1mF CI
10kW 1/4 TS324
eO +5V
(As shown A V = 101)
0 eo RB 6.2kW RL 10kW
e O (V)
R1 10kW
R2 1MW
eI ~
R3 1MW
R4 100kW
V CC
0
C2 10mF
R5 100kW
e I (mV)
Figure 6.
e1
DC summing amplifier
100kW
100kW e2 e3 100kW 100kW 100kW e4 100kW
eO
7/13
Macromodel
TS321
4
4.1
Macromodel
Important note concerning this macromodel
Please consider the following remarks before using this macromodel.

All models are a trade-off between accuracy and complexity (i.e. simulation time). Macromodels are not a substitute to breadboarding; rather, they confirm the validity of a design approach and help to select surrounding component values. A macromodel emulates the nominal performance of a typical device within specified operating conditions (temperature, supply voltage, for example). Thus the macromodel is often not as exhaustive as the datasheet, its purpose is to illustrate the main parameters of the product.
Data derived from macromodels used outside of the specified conditions (VCC, temperature, for example) or even worse, outside of the device operating conditions (VCC, Vicm, for example), is not reliable in any way.
4.2
Macromodel code
** Standard Linear Ics Macromodels, 1993. ** CONNECTIONS : * 1 INVERTING INPUT * 2 NON-INVERTING INPUT * 3 OUTPUT * 4 POSITIVE POWER SUPPLY * 5 NEGATIVE POWER SUPPLY .SUBCKT TS321 1 2 3 4 5 *************************** .MODEL MDTH D IS=1E-8 KF=3.104131E-15 CJO=10F * INPUT STAGE CIP 2 5 1.000000E-12 CIN 1 5 1.000000E-12 EIP 10 5 2 5 1 EIN 16 5 1 5 1 RIP 10 11 2.600000E+01 RIN 15 16 2.600000E+01 RIS 11 15 2.003862E+02 DIP 11 12 MDTH 400E-12 DIN 15 14 MDTH 400E-12 VOFP 12 13 DC 0 VOFN 13 14 DC 0 IPOL 13 5 1.000000E-05 CPS 11 15 3.783376E-09 DINN 17 13 MDTH 400E-12 VIN 17 5 0.000000e+00 DINR 15 18 MDTH 400E-12 VIP 4 18 2.000000E+00 FCP 4 5 VOFP 3.400000E+01 FCN 5 4 VOFN 3.400000E+01 FIBP 2 5 VOFN 2.000000E-03
8/13
TS321 FIBN 5 1 VOFP 2.000000E-03 * AMPLIFYING STAGE FIP 5 19 VOFP 3.600000E+02 FIN 5 19 VOFN 3.600000E+02 RG1 19 5 3.652997E+06 RG2 19 4 3.652997E+06 CC 19 5 6.000000E-09 DOPM 19 22 MDTH 400E-12 DONM 21 19 MDTH 400E-12 HOPM 22 28 VOUT 7.500000E+03 VIPM 28 4 1.500000E+02 HONM 21 27 VOUT 7.500000E+03 VINM 5 27 1.500000E+02 EOUT 26 23 19 5 1 VOUT 23 5 0 ROUT 26 3 20 COUT 3 5 1.000000E-12 DOP 19 25 MDTH 400E-12 VOP 4 25 2.242230E+00 DON 24 19 MDTH 400E-12 VON 24 5 7.922301E-01 .ENDS
Macromodel
4.3
Macromodel electrical characteristics
Table 4.
Symbol Vio Avd ICC Vicm VOH VOL Ios GBP SR m RL = 2 k RL = 2 k Vo = 0 V RL = 2 k, CL = 100 pF RL = 2 k, CL = 100 pF RL = 2 k, CL = 100 pF RL = 2 k No load, per operator
VCC+ = +3V, VCC- = 0V, RL, CL connected to VCC/2, Tamb = 25C (unless otherwise specified)
Conditions Value 0 100 300 0 to +3.5 3.5 5 40 0.8 0.4 60 Unit mV V/mV A V V mV mA MHz V/s Degrees
9/13
Package information
TS321
5
Package information
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.
5.1
SOT23-5 package information
Figure 7. SOT23-5 package mechanical drawing
Table 5.
SOT23-5 package mechanical data
Dimensions
Ref. Min. A A1 A2 b C D E E1 e e1 L 0.35 0.90 0.00 0.90 0.35 0.09 2.80 2.60 1.50
Millimeters Typ. Max. 1.45 0.15 1.30 0.50 0.20 3.00 3.00 1.75 0.95 1.9 0.55 13.7 Min. 35.4 0.00 35.4 13.7 3.5 110.2 102.3 59.0
Mils Typ. Max. 57.1 5.9 51.2 19.7 7.8 118.1 118.1 68.8 37.4 74.8 21.6
10/13
TS321
Package information
5.2
SO-8 package information
Figure 8. SO-8 package mechanical drawing
Table 6.
SO-8 package mechanical data
Dimensions
Ref. Min. A A1 A2 b c D H E1 e h L k ccc 0.25 0.40 1 0.10 1.25 0.28 0.17 4.80 5.80 3.80
Millimeters Typ. Max. 1.75 0.25 0.004 0.049 0.48 0.23 4.90 6.00 3.90 1.27 0.50 1.27 8 0.10 0.010 0.016 1 5.00 6.20 4.00 0.011 0.007 0.189 0.228 0.150 Min.
Inches Typ. Max. 0.069 0.010
0.019 0.010 0.193 0.236 0.154 0.050 0.020 0.050 8 0.004 0.197 0.244 0.157
11/13
Ordering information
TS321
6
Ordering information
Table 7. Order codes
Temperature range Package Packaging Marking K401 SOT23-5L TS321AILT TS321ID/IDT -40C, +125C TS321AID/AIDT TS321IYLT(1) TS321AIYLT(1) SOT23-5L (Automotive grade level) SO-8 Tube or tape & reel Tape & reel K407 Tape & reel K402 321I 321AI K406
Part number TS321ILT
1. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 & Q002 or equivalent are on-going.
7
Revision history
Table 8.
Date 30-Jun-2001 04-Jul-2005
Document revision history
Revision 1 2 Initial release. PPAP references inserted in the datasheet, see order codes table. ESD protection inserted in Table 1: Absolute maximum ratings. Correction of errors in package names and markings in order codes table. Minor grammatical and formatting corrections. Missing PPAP references inserted, see order codes table. Thermal resistance junction to ambient and thermal resistance junction to case information added in Table 1: Absolute maximum ratings. Macromodel updated see Section 4: Macromodel. Added CDM value for SO-8 in Table 1: Absolute maximum ratings. Added Tj value in Table 1: Absolute maximum ratings. Macromodel updated see Section 4: Macromodel. Reformatted package information. Added footnote in Table 7: Order codes. Removed TS321IYD/IYDT and TS321AIYD/AIYDT order codes. Added CDM value for SOT23-5 package in Table 1: Absolute maximum ratings. Changes
06-Sep-2005
3
12-Dec-2005
4
08-Nov-2007
5
08-Jul-2008
6
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TS321
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