TS271C STMicroelectronics, TS271C Datasheet

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TS271C

Manufacturer Part Number
TS271C
Description
Programmable Cmos Single Operational Amplifiers
Manufacturer
STMicroelectronics
Datasheet

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DESCRIPTION
The TS271 is a low cost, low power single opera-
tional amplifier designed to operate with single or
dual supplies. This operational amplifier uses the
SGS-THOMSON silicon gate CMOS process giv-
ing it an excellent consumption-speed ratio. This
amplifier is ideally suited for low consumption
applications.
The power supply is externally programmable with
a resistor connectedbetween 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
This CMOS amplifier offers very high input imped-
ance and extremely low input currents. The major
advantage versus JFET devices is the very low
input currents drift with temperature (see figure 3).
October 1997
compensation)
ADJUSTABLE BY I
PARAMETERS ARE STABLE REGARDING
THE VOLTAGE POWER SUPPLY
VARIATIONS
GROUND
SELECTIONS
OFFSET NULL CAPABILITY (by external
DYNAMIC CHARACTERISTICS
CONSUMPTION CURRENT AND DYNAMIC
OUTPUT
VERY LARGE I
STABLE AND LOW OFFSET VOLTAGE
THREE INPUT OFFSET VOLTAGE
SET
current values : 1.5 A, 25 A, 130 A.
VOLTAGE
SET
SET
RANGE
CAN
SWING
SINGLE OPERATIONAL AMPLIFIERS
TO
PIN CONNECTIONS (top view)
ORDER CODES
TS271C/AC/BC
TS271I/AI/BI
TS271M/AM/BM
Example : TS271ACN
Part Number
(Plastic Package)
PROGRAMMABLE CMOS
DIP8
1
2
3
4
N
1 - Offset Null 1
2 - Inverting Input
3 - Non-inverting Input
4 - V
5 - Offset Null 2
6 - Output
7 - V
8 - I
SET
CC
CC
-40
-55
Temperature
+
-
0
-
+
o
o
o
C, +70
Range
C, +125
C, +125
TS271C,I,M
(Plastic Micropackage)
o
C
o
o
C
C
SO8
D
8
7
6
5
Package
N
D
1/15

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TS271C Summary of contents

Page 1

... JFET devices is the very low input currents drift with temperature (see figure 3). October 1997 TS271C,I,M PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS TO N DIP8 (Plastic Package) ORDER CODES Temperature Part Number Range o TS271C/AC/ +70 o TS271I/AI/BI -40 C, +125 o TS271M/AM/BM -55 C, +125 Example : TS271ACN PIN CONNECTIONS (top view ...

Page 2

... The magnitude of the input and the output voltages must never exceed the magnitude of the positive supply voltage. OPERATING CONDITIONS Symbol Parameter + V Supply Voltage CC V Common Mode Input Voltage Range icm 2/15 Output stage Second stage E Input -0 TS271C/AC/ +70 TS271I/AI/BI -40 to +125 TS271M/AM/BM -55 to +125 -65 to +150 Output V CC Value Unit ...

Page 3

... SCHEMATIC DIAGRAM TS271C,I,M 3/15 ...

Page 4

... TS271C,I,M OFFSET VOLTAGE NULL CIRCUIT 25k R set OFFSET COMPENSATION GUARANTEED FOR TS271BCX (I > 25 A),TS271ACX (I SET SET - Figure Connected SET CC R set 10M 1M 100k 10k 4/15 RESISTOR BIASING set CONNECTED TO SET GROUND > ...

Page 5

... ELECTRICAL CHARACTERISTICS FOR +10V 0V (unless otherwise specified amb Symbol Parameter V Input Offset Voltage 1.4V TS271C/I TS271AC/AI/AM TS271BC/BI/ TS271C/I/M min. amb max. TS271AC/AI/AM TS271BC/BI/BM DV Input Offset Voltage Drift io I Input Offset Current - (note 5V, V ...

Page 6

... TS271C,I,M TYPICAL CHARACTERISTICS FOR I SET Figure 2 : Supply Current versus Supply Voltage amb SUPPLY VOLTAGE Figure 4a : High Level Output Voltage versus High Level Output Current amb 100mV ...

Page 7

... SUPPLY VOLTAGE, V Figure 9 : Phase Margin versus Capacitive Load CAPACITANCE, C (pF amb 100pF SUPPLY VOLTAGE, V (V) CC TS271C,I ( amb 10V 100 L 7/15 ...

Page 8

... TS271C,I,M ELECTRICAL CHARACTERISTICS FOR +10V 0V (unless otherwise specified amb Symbol Parameter V Input Offset Voltage 1.4V TS271C/I TS271AC/AI/AM TS271BC/BI/ TS271C/I/M min amb max. TS271AC/AI/AM TS271BC/BI/BM DV Input Offset Voltage Drift io I Input Offset Current - (note 1) io ...

Page 9

... OUTPUT CURRENT, I Figure 14b : Low Level Output Voltage versus Low Level Output Current 10V OUTPUT CURRENT, I TS271C,I,M 75 100 125 ( C) amb V = 16V 10V CC -20 -10 0 (mA 16V amb V = 0.5V ic ...

Page 10

... TS271C,I,M TYPICAL CHARACTERISTICS FOR I SET Figure 15 : Open Loop Frequency Response and Phase Shift 50 40 GAIN PHASE 30 Phase amb Margin + V = 10V 100k 100pF Gain L 0 Bandwidth A = 100 VCL Product - FREQUENCY, f (Hz) Figure 17 : Phase Margin versus Supply Voltage ...

Page 11

... ELECTRICAL CHARACTERISTICS FOR +10V 0V (unless otherwise specified amb Symbol Parameter V Input Offset Voltage 1.4V TS271C/I TS271AC/AI/AM TS271BC/BI/ TS271C/I/M min amb max. TS271AC/AI/AM TS271BC/BI/BM DV Input Offset Voltage Drift io I Input Offset Current - (note 5V, V ...

Page 12

... TS271C,I,M TYPICAL CHARACTERISTICS FOR I SET Figure 20 : Supply Current (each amplifier) ver- sus Supply Voltage 1.0 0.8 0.6 0 amb 0 SUPPLY VOLTAGE, V (V) CC Figure 22a : High Level Output Voltage versus High Level Output Current amb 100mV ...

Page 13

... SUPPLY VOLTAGE, V Figure 27 : Phase Margin versus Capacitive Load CAPACITANCE amb R = 10k 100pF SUPPLY VOLTAGE, V (V) CC TS271C,I ( amb R = 10k 10V 100 (pF) L 13/15 ...

Page 14

... TS271C,I,M PACKAGE MECHANICAL DATA 8 PINS - PLASTIC DIP Millimeters Dimensions Min. Typ. A 3.32 a1 0.51 B 1.15 b 0.356 b1 0.204 D E 7.95 e 2.54 e3 7. 3.18 Z 14/15 Inches Max. Min. Typ. 0.131 0.020 1.65 0.045 0.55 0.014 0.304 0.008 10.92 9.75 0.313 0.100 0.300 0.300 6.6 5.08 3.81 0.125 1.52 Max. 0.065 0.022 0.012 0.430 0.384 0260 ...

Page 15

... The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. Inches Max. Min. Typ. 1.75 0.25 0.004 1.65 0.85 0.026 0.48 0.014 0.25 0.007 0.5 0.010 o 45 (typ.) 5.0 0.189 6.2 0.228 0.050 0.150 4.0 0.150 1.27 0.016 0 (max.) TS271C,I,M Max. 0.069 0.010 0.065 0.033 0.019 0.010 0.020 0.197 0.244 0.157 0.050 0.024 15/15 ...

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