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TS2902
Quad Operating Amplifier
DIP-14 SOP-14
Preliminary
Pin assignment: 1. Output A 14. Output D 2. Input A (-) 13. Input D (-) 3. Input A(+) 12. Input D (+) 4. Vcc 11. Gnd 5. Input B (+) 10. Input C (+) 6. Input B (-) 9. Input C (-) 7. Output B 8. Output C
Supply Voltage Range 3 V to 26V Quad Channel Amplifier
General Description
The TS2902 contains four independent high gain operational amplifiers with internal frequency compensation. The four op-amps use a split power supply. The device has low power supply current drain, regardless or the power supply voltage. The low power drain also makes the TS2902 a good choice for battery operation. When your project calls for a traditional op-amp function, now you can streamline your design with a simple single power supply. Use ordinary +5V common to practically any digital system or personal computer application, without requiring an extra 15V power supply just to have the interface electronics you need. The TS2902 is a versatile, rugged workhorse with a thousand-and-one uses, from amplifying signals from a variety of transducers to dc gain blocks, or any op-amp function. The attached pages offer some recipes that will have your project cooking in no time. The TS2902 is offered in 14 pin SOP-14 and DIP-14 package.
Features
Single supply operation: 3V to 32V Low input bias currents Internally compensated Common mode range extends to negative supply Single and split supply operation
Block Diagram
Ordering Information
Part No.
TS2902CD14 TS2902CS14
Operating Temp.
o -40 ~ +85 C
Package
DIP-14 SOP-14
Absolute Maximum Rating
Supply Voltage Differential Input Voltage (note 1) Input Common Mode Voltage Range (note 2) Input Forward Current (note 3) Output Short Circuit Duration Operating Junction Temperature Range Storage Temperature Range Vcc VIDR VICR Iif Isc TJ TSTG 26 26 -0.3 to 26 50 Continuous 0 ~ +125 -65 ~ +150 V V V mA mA
o o
C C
NOTE : 1. Split Power Supplies. 2. For supply. Voltages less than 26V for the TS2902 the absolute maximum input voltage is equal to the supply voltage. 3. This input current will only exist when the voltage is negative at any of the input leads. Normal output states will reestablish when the input voltage returns to a voltage greater than -0.3V.
TS2902
1-6
2005/04 rev. B
Electrical Characteristics
(VCC = 5V, Ta=25 oC; unless otherwise specified.) Characteristics Input Offset Voltage VCC= 5.0V to 26V, VIC= 0V to Vcc -1.7 V, Vo= 1.4V, RS= 0 TLOW Ta THIGH Average Temperature Coefficient of Input Offset Voltage Input Offset Current TLOW Ta THIGH Average Temperature Coefficient of input Offset Current Input Bias Current TLOW Ta THIGH Input Common-Mode Voltage Range (Note1) VCC = 26 V VCC = 26 V, TLOW Ta THIGH Differential Input Voltage Range Large Signal Open-Loop Voltage Gain RL = 2.0K, VCC =15V, For Large VO Swing, TLOW Ta THIGH Channel Separation 1.0 KHz to 20KHz Common Mode Rejection Ratio RS 10 k Power Supply Rejection Ratio Output Voltage -- High Limit VCC = 26 V, RL = 2 k VCC = 26 V, RL = 10 k Output Voltage -- Low Limit VCC = 5.0 V, RL = 10 k Output Source Current VID=+1.0V,VCC=15V Output Sink Current VID = -1.0 V, VCC = 15 V VID = -1.0 V, VO = 200 mV Output Short Circuit to Ground (Note 2) Power Supply Current , VCC = 26V, VO = 0 V, RL = ICC -1.5 3.0 mA VCC = 5V, VO = 0 V, RL = -0.7 1.2 Notes : 1. The input common mode voltage or either input signal voltage should not be allowed to go negative by more than 0.3 V. The upper end of the common mode voltage range is Vcc 17V, but either or both inputs can go to +26V. 2. Short circuits from the output to Vcc can cause excessive heating and eventual destruction. Destructive dissipation can recruit from simultaneous shorts on all amplifiers. IOS IO10 12 -20 50 40 --60 mA uA mA VOL IO+ VOH 22 23 -20 -24 5.0 40 --100 -mV mA V -CMRR PSRR AVOL -15 -50 50 100 --120 70 100 -----dB dB dB V/mV VIDR VICR 0 0 ----24.3 24 VCC V V Iio/T Iio Iio/T IIB Vio -------2.0 -7.0 5.0 -10 90 50 7.0 10 -50 200 -250 500 uV/oC nA pA/oC uA mV Symbol Min Typ Max Unit
TS2902
2-6
2005/04 rev. B
Circuit Description
The TS2902 made using four internally compensated, two-stage operational amplifiers. The first stage performs not only the first stage gain function but also performs the level shifting and transconductance reduction functions. By reducing the transconductance, a smaller compensation capacitor (only 5.0pF) can be employed, thus saving chip area. Another feature of this input stage is that the input common mode range can include the negative supply or ground, in single supply operation, without saturating either the input devices or the differential to single-ended converter. The second stage consists of a standard current source load amplifier stage. Each amplifier is biased from an internal-voltage regulator, and which has a low temperature coefficient thus giving each amplifier good temperature characteristics as well as excellent power supply rejection.
Electrical Characteristics Curve
TS2902
3-6
2005/04 rev. B
Circuit Description
TS2902
4-6
2005/04 rev. B
Circuit Description (continued)
TS2902
5-6
2005/04 rev. B
SOP-14 Mechanical Drawing
A
DIM
14 8 B 1 7 P
C G D K
R M F
A B C D F G K M P R
SOP-14 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 8.55 8.75 0.337 0.344 3.80 4.00 0.150 0.157 1.35 1.75 0.054 0.068 0.35 0.49 0.014 0.019 0.40 1.25 0.016 0.049 1.27 (typ) 0.05 (typ) 0.10 0.25 0.004 0.009 0o 7o 0o 7o 5.80 6.20 0.229 0.244 0.25 0.50 0.010 0.019
DIP-14 Mechanical Drawing
A
DIM
14 1 8
B
7
L
C
J
K
A B C D G J K L M
DIP-14 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 18.55 19.56 0.730 0.770 6.22 6.48 0.245 0.255 3.18 4.45 0.125 0.135 0.35 0.55 0.019 0.020 2.54 (typ) 0.10 (typ) 0.29 0.31 0.011 0.012 3.25 3.35 0.128 0.132 7.75 8.00 0.305 0.315 10o 10o
G
D
M
TS2902
6-6
2005/04 rev. B

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