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Global Mixed-mode Technology Inc.
G1224
Dual Rail-to-Rail I/O, High-Slew-Rate OP Amp
Features
+3V to +5.5V Single-Supply Operation Input / Output Rail-to-Rail Low input current High output driving capacity Low Quiescent Current: 1mA @ 5V High Slew rate 6.5V/s High Gain-Bandwidth Product 6.5MHz High Open Loop Gain 95dB High PSRR 70dB
General Description
G1224 is a input/output rail-to-rail Operational Amplifier. It can be operated from +3V to +5.5V single supply or from 1.5V to 2.75 dual supply. G1224 can drive 66mA into resistor loads to within 10% power rail each amplifier. AC performance is very excellent with 6.5MHz bandwidth, 6.5V/s Slew Rate, 95dB open loop gain, 60 degree phase margin and low distortion. Supply current of G1224 is only 500A per Amplifier. It is very suitable for low current consumption applications to control high current loads. Applications include audio amplification for computers, sound ports, sound cards and set-top boxes. G1224 is available in 8pins SOP8, MSOP 8.
Applications
Headphone Driver Portable Equipment Battery-Powered Equipment Multimedia Audio ASIC Input or Output Amplifier Sensor Amplifier Low Power/Low Voltage Applications
Ordering Information
PART NUMBER
G1224P1X G1224P8X
MARKING
G1224 G1224
TEMP. RANGE
0C to 85C 0C to 85C
PINPACKAGE
SOP 8L MSOP 8L
Note: X Specify the packing type U: Tape & Reel T: Tube
Pin Configuration
Typical Application Circuit
G1224
OUTA INAINA+ VSS 1 2 3 4 + 8 7 6 5 + VDD OUTB INBINB+ INA+ 3
VDD 8 +
2-
G1224
4
1 RL 2K
OUTA
8Pin SOP/MSOP
Ver: 1.0 Feb 25, 2003
TEL: 886-3-5788833 http://www.gmt.com.tw
1
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
Supply Voltage (VDD to VSS)...............................6.5V All Other Pins......................(Vss-0.3V) to (VDD+0.3V) Continuous Power Dissipation (TA=25C) SOP 8......................................................520mW MSOP8.....................................................520mW
G1224
JA...................................................240C/Watt Junction Temperature...................................150C Operating Temperature Range...............0C to 85C Storage Temperature Range..............-65C to 160C Lead Temperature (soldering, 10sec)...............260C
Electrical Characteristics
VDD = 5V; VSS = 0V; Tamb = 25C; CL=10pF, RL=1k to VDD/2; unless otherwise specified. PARAMETER
Supplies Supply Voltage Range Supply Current Total Power Dissipation DC Characteristics Input Offset Voltage Common Mode Voltage Input Bias Current Input Bias Current Offset Input Resistance Open Loop Gain Maximum Output Current Output Voltage Swing High Output Voltage Swing Low Power Supply Rejection Ratio Common-Mode Rejection Ratio AC Characteristics Gain-Bandwidth Product Slew-Rate Phase Margin Maximum Output Current with THD Channel Separation
SYMBOL
VDD IDD Ptot VI (OS) VCM IB IOS RIN AV IO VOH VOL PSRR CMRR GBWP SR PM IO CS Note1 No load No load
CONDITIONS
MIN.
3 -
TYP.
MAX.
5.5
UNIT
V mA mW mV V nA nA M dB mA V V dB dB MHz V/s
1 5 5
1.4 7 15 5 5 5 0.04 -
Inferred from CMRR test
0
VOUT = VIN x 90% RL = 2k RL = 2k 3VVDD5.5V VSSVCMVDD Open-loop; No Load Measured from 10% to 90% of 4VP-P step, RL = 1k, CL = 10pF
85 55 4.96 50 50 -
1.5 1.5 1000 95 66 4.99 0.012 70 65 6.5 6.5
THD< 0.1%, RL = 16 f = 1KHz RL = 32
60 100 85
-
deg mA dB
Note1: Guaranteed by the Power-Supply Rejection Ratio (PSRR) test
Ver: 1.0 Feb 25, 2003
TEL: 886-3-5788833 http://www.gmt.com.tw
2
Global Mixed-mode Technology Inc.
Typical Performance Characteristics
VDD = 5V; VSS = 0V; Tamb = 25C; CL=10pF, RL=1k to VDD/2; unless otherwise specified.
G1224
Open Loop Gain & Phase Margin vs. Frequency
100 90 80 70 Gain(dB) 60 50 40 30 20 10 0
1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
PSRR vs. Frequency
225
Gain 180 Phase Margin( ) 135 90 45 0
1.E+04
80 PSRRPSRR (dB) 60 PSRR+ 40
Phase
20
1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 1.E+04
Frequency - kHz
Frequency - kHz
CMRR vs. Frequency
80 10
Total Harmonic Distortion Plus Noise vs.Output Power
f=1kHz Av=1 THD+N(%) 1
60 CMRR (dB)
40
RL=32
0.1
RL=15
20 p=(Vrms)2/R 0 1 10 100 1000 Frequency - kHz 10000 0.01
5 25 45 65 85 105 125
Output Power (mW)
Sinking Current vs. Vo - (VSS)
160 140 120 100 80 60 40 20 0
0.1 0.6 1.1 1.6 2.1
Sourcing Current vs. (VDD) - Vo
160 140 Sourcing Current(mA) 120 100 80 60 40 20 0
0.1 0.6 1.1 1.6 2.1
Sinking Current (mA)
VDD=+5V VDD=+3V
VDD=+5V VDD=+3V
Vo - (VSS)
(VDD) - Vo
Ver: 1.0 Feb 25, 2003
TEL: 886-3-5788833 http://www.gmt.com.tw
3
Global Mixed-mode Technology Inc.
Typical Performance Characteristics (Continued)
Large Signal Transient Response
G1224
Small Signal Transient Response
Operation with Rail-to-Rail Input and Output
Operation with Beyond-the Rail Input
Ver: 1.0 Feb 25, 2003
TEL: 886-3-5788833 http://www.gmt.com.tw
4
Global Mixed-mode Technology Inc.
Package Information
C
G1224
E
H
L D 7 (4X)
A2 y B A1
A
e
SOP- 8L Package Note: 1. Package body sizes exclude mold flash and gate burrs 2. Dimension L is measured in gage plane 3. Tolerance 0.10mm unless otherwise specified 4. Controlling dimension is millimeter converted inch dimensions are not necessarily exact. 5. Followed from JEDEC MS-012 SYMBOL
A A1 A2 B C D E e H L y
MIN.
1.35 0.10 ----0.33 0.19 4.80 3.80 ----5.80 0.40 ----0
DIMENSION IN MM NOM.
1.60 ----1.45 ----------------1.27 -----------------
MAX.
1.75 0.25 ----0.51 0.25 5.00 4.00 ----6.20 1.27 0.10 8
MIN.
0.053 0.004 ----0.013 0.007 0.189 0.150 ----0.228 0.016 ----0
DIMENSION IN INCH NOM.
0.063 ----0.057 ----------------0.050 -----------------
MAX.
0.069 0.010 ----0.020 0.010 0.197 0.157 ----0.244 0.050 0.004 8
Ver: 1.0 Feb 25, 2003
TEL: 886-3-5788833 http://www.gmt.com.tw
5
Global Mixed-mode Technology Inc.
C
G1224
E1
E
L D 7 (4X)
A2 y b A1
A
e
MSOP-8L Package Note: 1. Package body sizes exclude mold flash and gate burrs 2. Dimension L is measured in gage plane 3. Tolerance 0.10mm unless otherwise specified 4. Controlling dimension is millimeter converted inch dimensions are not necessarily exact. 5. Followed from JEDEC MO-137 SYMBOL
A A1 A2 b C D E E1 e L y
MIN.
0.81 0.00 0.76 0.28 0.13 2.90 4.80 2.90 ----0.40 ----0
DIMENSION IN MM NOM.
1.02 ----0.86 0.30 0.15 3.00 4.90 3.00 0.65 0.53 ---------
MAX.
1.22 0.20 0.97 0.38 0.23 3.10 5.00 3.10 ----0.66 0.10 6
MIN.
0.032 0.000 0.030 0.011 0.005 0.114 0.189 0.114 ----0.016 ----0
DIMENSION IN INCH NOM.
0.040 ----0.034 0.012 0.006 0.118 0.193 0.118 0.026 0.021 ---------
MAX.
0.048 0.008 0.038 0.015 0.009 0.122 0.197 0.122 ----0.026 0.004 6
Taping Specification
Feed Direction Typical SOP/MSOP Package Orientation
GMT Inc. does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and GMT Inc. reserves the right at any time without notice to change said circuitry and specifications.
Ver: 1.0 Feb 25, 2003
TEL: 886-3-5788833 http://www.gmt.com.tw
6

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