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TS258
Dual Operating Amplifier
Pin assignment: 1. Output 2. Input A (-) 3. Input A (+) 4. Gnd 5. Input B (+) 6. Input B (-) 7. Output B 8. Vcc
Supply Voltage Range 3 V to 32V Dual Channel Amplifier
General Description
Utilizing the circuit designs perfected for recently introduced Quad Operational Amplifiers, these dual operational amplifiers have several distinct advantages over standard operational amplifier types in single supply applications. They can operate at supply voltages as low as 3.0 Volts or as high as 32 Volts with quiescent currents about one fifth of those associated with the LM741 (on a pet amplifier basis). The common mode input range includes the negative supply, thereby eliminating the necessity for external biasing components in many applications. The TS258 is equivalent to one half of TS224, and output voltage range also includes the negative supply voltage. The TS258 is offered in 8 pin SOP-8 and DIP-8 package.
Features
Short circuit protected outputs True differential input stage Single supply operation: 3V to 32V Low input bias currents Internally compensated Common mode range extends to negative supply Single and split supply operation Similar performance to the popular MC1558
Block Diagram
Ordering Information
Part No.
TS258CD TS258CS
Operating Temp.
o -40 ~ +85 C
Package
DIP-8 SOP-8
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 Power Dissipation @ Ta=25 C Derate above 25 C Operating Junction Temperature Range Storage Temperature Range
o o
Vcc, Vcc/Vee VIDR VICR Iif Isc 1/Rja TJ TSTG
+32 or 16 32 -0.3 to 32 50 Continuous 570 5.7 0 ~ +125 -65 ~ +150
Vdc Vdc Vdc mA mA mW mW/ oC
o o
C C
NOTE : 1. Split Power Supplies. 2. For supply. Voltages less than 32V for the PJ358 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.
TS258
1-6
2005/02 rev. A
Electrical Characteristics
(VCC = 5V, Ta=25 oC; unless otherwise specified.) Characteristics Input Offset Voltage VCC= 5.0V to 30V, 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 = 30 V VCC = 30 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 Range, RL = 2K Output Voltage -- High Limit VCC = 30 V, RL = 2 k VCC = 30 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 = 30 VVO = 0 V, RL = IOS ICC -1.5 3.0 mA IO+ IO10 12 -20 50 40 --60 mA uA mA 20 40 -VOL PSRR VOR VOH 26 27 --28 5.0 --20 mV mA V 65 0 100 --3.3 CMRR 65 70 --VIDR AVOL 25 15 -100 --120 ---dB dB dB V V/mV VICR 0 0 ----28.3 28 VCC V V Iio/T IIB Iio/T Iio Vio -------2.0 -7.0 5.0 -10 45 50 5.0 7.0 -50 150 --250 -500 uV/oC nA pA/oC uA mV Symbol Min Typ Max Unit
VCC = 5.0 V, 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 +32V. 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.
TS258
2-6
2005/02 rev. A
Circuit Description
The TS258 made using two 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.
TS258
3-6
2005/02 rev. A
Circuit Description
TS258
4-6
2005/02 rev. A
Electrical Characteristics Curve
TS258
5-6
2005/02 rev. A
SOP-8 Mechanical Drawing
A
DIM SOP-8 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 4.80 5.00 0.189 0.196 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
16
9 B P
1
8
G C D K
M
R
F
A B C D F G K M P R
DIP-8 Mechanical Drawing
A
SOP-8 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 9.07 9.32 0.357 0.367 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
8
5
DIM
B
1 4
L
C K G D
M
J
A B C D G J K L M
TS258
6-6
2005/02 rev. A

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