TS271 STMicroelectronics, TS271 Datasheet

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TS271

Manufacturer Part Number
TS271
Description
Micropower, programmable op-amp
Manufacturer
STMicroelectronics
Datasheet

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■ Offset null capability (by external
■ Dynamic characteristics adjustable I
■ Consumption current and dynamic
■ Output voltage can swing to ground
■ Very large I
■ Stable and low offset voltage
■ Three input offset voltage selections
Description
The TS271 is a low cost, low power single
operational amplifier designed to operate with
single or dual supplies. This operational amplifier
uses the ST silicon gate CMOS process giving it
an
amplifier is ideally suited for low consumption
applications.
The power supply is externally programmable with
a resistor connected between pins 8 and 4. It
allows to choose the best consumption-speed
ratio and supply current can be minimized
according to the required speed. This device is
specified for the following I
1.5µA, 25µA, 130µA.
This CMOS amplifier offers very high input
impedance and extremely low input currents. The
major advantage versus JFET devices is the very
low input currents drift with temperature see
Figure
Order Codes
March 2005
TS271CN/ACN
TS271CD/CDT/ACD/ACDT
TS271IN/AIN/
TS271ID/IDT/AID/AIDT/BID/BIDT
TS271BMD
compensation)
parameters are stable regarding the
voltage power supply variations
excellent
8,
Figure
Part Number
SET
consumption-speed
19,
range
Figure
30.
SET
current values:
Temperature Range
ratio.
Low Power Single Operational Amplifier
-40°C, +125°C
-55°C, +125°C
0°C, +70°C
SET
This
Revision 2
Pin Connections (top view)
Package
DIP
DIP
SO
SO
SO
1
2
3
4
CMOS Programmable
1 - Offset Null 1
2 - Inverting Input 1
3 - Non-inverting Input 1
4 - V
5 - Offset Null 2
6 - Output
7 - V
8 - I
(Plastic Micropackage)
(Plastic Package)
Set
CC
CC
+
-
+
-
DIP8
SO-8
N
Tube and Tape & Reel
Tube and Tape & Reel
D
Packaging
Tube
Tube
Tube
8
7
6
5
TS271
1/17

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TS271 Summary of contents

Page 1

... SET ■ Stable and low offset voltage ■ Three input offset voltage selections Description The TS271 is a low cost, low power single operational amplifier designed to operate with single or dual supplies. This operational amplifier uses the ST silicon gate CMOS process giving it an ...

Page 2

... TS271 1 Block Diagram Figure 1. Application block diagram 2/17 Block Diagram ...

Page 3

... Table 2. Operating conditions Symbol + Supply Voltage V CC Common Mode Input Voltage Range V icm TS271C/AC/ ≥ 15V 0 to +70 Parameter TS271I/AI/BI TS271M/AM/BM 18 ±18 -0 ±30 ±5 -40 to +125 -55 to +125 -65 to +150 Value 1.5 CC TS271 Unit °C °C Unit V V 3/17 ...

Page 4

... TS271 Figure 2. Schematic Diagram 4/17 Absolute Maximum Ratings ...

Page 5

... Absolute Maximum Ratings Figure 3. Offset voltage null circuit - set OFFSET COMPENSATION GUARANTEED FOR µ TS271BCX (I > 25 A), TS271ACX (I SET Figure 4. Offset voltage null circuit - set OFFSET COMPENSATION GUARANTEED FOR µ TS271BCX (I > 25 A), TS271ACX (I SET Figure 5. Resistor biasing ...

Page 6

... Maximum values including unavoidable inaccuracies of the industrial test. 6/ +10V 0V +25°C (unless otherwise specified amb Min. TS271C/I/M TS271AC/AI/AM TS271BC/BI/BM TS271C/I/M TS271AC/AI/AM TS271BC/BI/ ≤ T ≤ min amb max = 100pF 100kHz 1. 1. ...

Page 7

... level output current °C amb TS271 - ° 7/17 ...

Page 8

... TS271 Figure 13. Open loop frequency response and phase shift ° Ω Gain 0 L Bandwidth Product - ...

Page 9

... TS271B/C/I/M TS271AC/AI/AM TS271BC/BI/ ≤ T ≤ min amb max = 100pF 100kHz 1. 1. 10pF 100pF 10pF 100pF L TS271I/AI/BI TS271C/AC/BC TS271M/AM/BM Typ. Max. Min. Typ. 1.1 10 1.1 0.9 5 0.9 0.25 2 0. 100 1 1 150 8.7 8.9 8.7 8.9 8.6 8 ...

Page 10

... TS271 Typical characteristics for I Figure 18. Supply current versus supply voltage 200 150 100 SUPPLY VOLTAGE, V Figure 19. Input bias current versus free air temperature 100 V = 10V TEMPERATURE, T Figure 20. High level output voltage versus high level output current 5 ° ...

Page 11

... 1 0 0.6 0 100kΩ 0 TS271 = 2 5 ° ° 11/17 ...

Page 12

... Equivalent Input Noise Voltage e = 100 Ω 1kHz Maximum values including unavoidable inaccuracies of the industrial test. 12/ +10V 0V amb Min. TS271C/I/M TS271AC/AI/AM TS271BC/BI/BM TS271B/C/I/M TS271AC/AI/AM TS271BC/BI/ ≤ T ≤ min amb max = 100pF 100kHz 1. 1. ...

Page 13

... level output current °C amb TS271 - 13/17 ...

Page 14

... TS271 Figure 35. Open loop frequency response and phase shift ° 10k Ω Gain Bandwidth Product - ...

Page 15

... Package Mechanical Data DIM. MIN 0.7 B 1. 0.44 Plastic DIP-8 MECHANICAL DATA mm. TYP MAX. MIN. 3.3 0.028 1.65 0.055 1.04 0.036 0.5 0.5 0.015 9.8 8.8 2.54 7.62 7.62 7.1 4.8 3.3 1.6 0.017 TS271 inch TYP. MAX. 0.130 0.065 0.041 0.020 0.020 0.386 0.346 0.100 0.300 0.300 0.280 0.189 0.130 0.063 P001F 15/17 ...

Page 16

... TS271 Package Mechanical Data DIM. MIN. A 1.35 A1 0.10 A2 1.10 B 0.33 C 0.19 D 4. 5.80 h 0.25 L 0.40 k ddd 16/17 SO-8 MECHANICAL DATA mm. TYP MAX. MIN. 1.75 0.053 0.25 0.04 1.65 0.043 0.51 0.013 0.25 0.007 5.00 0.189 4.00 0.150 1.27 6.20 0.228 0.50 0.010 1.27 0.016 ˚ (max.) 8 0.1 Package Mechanical Data inch TYP. MAX. 0.069 0.010 0.065 0.020 0.010 0.197 ...

Page 17

... Application block diagram updated on • Schematic Diagram updated on The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners © 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Description of Changes Figure 2 on page 4 Figure 4 on page 5 TS271 17/17 ...

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