TS271BCD ST Microelectronics, Inc., TS271BCD Datasheet

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TS271BCD

Manufacturer Part Number
TS271BCD
Description
Programmable Low Power CMOS Single Op-amp
Manufacturer
ST Microelectronics, Inc.
Datasheet
1.TS271BCD.pdf (15 pages)

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Company:
BOSTOCK HK LIMITED BOSTOCK HK LIMITED
Part Number:
TS271BCD
Manufacturer:
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Company:
BOSTOCK HK LIMITED BOSTOCK HK LIMITED
Part Number:
TS271BCDT
Manufacturer:
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DESCRIPTION
The TS271 is a low cost, low power single oper-
tional amplifier designed to operate with single or
dual supplies. This operational amplifier uses the
ST silicon gate CMOS process giving it an excel-
lent consumption-speed ratio. This amplifier is ide-
ally suited for low consumption applications.
The power supply is externally programmable with
a resistor connected between pins 8 and 4. It al-
lows 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
130µA.
This CMOS amplifier offers very high input imped-
ance and extremely low input currents. The major
advantage versus JFET devices is the very low in-
put currents drift with temperature (see figure 3).
ORDER CODE
N = Dual in Line Package (DIP)
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
November 2001
TS271C/AC/BC
TS271I/AI/BI
TS271M/AM/BM
Example : TS271ACN
Part Number
OFFSET NULL CAPABILITY (by external
compensation)
DYNAMIC CHARACTERISTICS
ADJUSTABLE I
CONSUMPTION CURRENT AND DYNAMIC
PARAMETERS ARE STABLE REGARDING
THE VOLTAGE POWER SUPPLY
VARIATIONS
OUTPUT VOLTAGE CAN SWING TO
GROUND
VERY LARGE I
STABLE AND LOW OFFSET VOLTAGE
THREE INPUT OFFSET VOLTAGE
SELECTIONS
SET
current values : 1.5µA, 25µA,
Temperature Range
LOW POWER SINGLE OPERATIONAL AMPLIFIER
SET
SET
-40°C, +125°C
-55°C, +125°C
0°C, +70°C
RANGE
Package
N
D
PIN CONNECTIONS (top view)
CMOS PROGRAMMABLE
1
2
3
4
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)
Set
(Plastic Package)
CC
CC
+
-
+
-
DIP8
SO8
N
D
TS271C,I,M
8
7
6
5
1/15

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TS271BCD Summary of contents

Page 1

LOW POWER SINGLE OPERATIONAL AMPLIFIER OFFSET NULL CAPABILITY (by external compensation) DYNAMIC CHARACTERISTICS ADJUSTABLE I SET CONSUMPTION CURRENT AND DYNAMIC PARAMETERS ARE STABLE REGARDING THE VOLTAGE POWER SUPPLY VARIATIONS OUTPUT VOLTAGE CAN SWING TO GROUND VERY LARGE I RANGE SET ...

Page 2

TS271C,I,M BLOCK DIAGRAM Current x I source ABSOLUTE MAXIMUM RATINGS Symbol Parameter + 1) V Supply Voltage CC V Differential Input Voltage Input Voltage Output Current for Input Current in ...

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 Figure Connected to V SET Rset 10M 1M 100k 10k 0.1 A ...

Page 5

ELECTRICAL CHARACTERISTICS for +10V 0V +25°C (unless otherwise specified amb Symbol Parameter Input Offset Voltage V = 1.4V min ...

Page 6

TS271C,I,M TYPICAL CHARACTERISTICS for I Figure 2 : Supply Current versus Supply Voltage 20 ° amb SUPPLY VOLTAGE, V ...

Page 7

Figure 6 : Open Loop Frequency Response and Phase Shift ° ...

Page 8

TS271C,I,M ELECTRICAL CHARACTERISTICS for +10V 0V +25°C (unless otherwise specified amb Symbol Parameter Input Offset Voltage V = 1.4V ...

Page 9

TYPICAL CHARACTERISTICS for I Figure 11 : Supply Current versus Supply Voltage 200 150 100 SUPPLY VOLTAGE, V Figure 12 : Input Bias Current versus Free Air Temperature 100 V = 10V ...

Page 10

TS271C,I,M Figure 15 : Open Loop Frequency Response and Phase Shift Phase Margin ° ...

Page 11

ELECTRICAL CHARACTERISTICS for +10V 0V +25°C (unless otherwise specified amb Symbol Parameter Input Offset Voltage V = 1.4V min ...

Page 12

TS271C,I,M TYPICAL CHARACTERISTICS for I Figure 20 : Supply Current (each amplifier) versus Supply Voltage 1.0 0.8 0.6 0.4 0 SUPPLY VOLTAGE, V Figure 21 : Input Bias Current versus Free Air Temperature 100 V = 10V ...

Page 13

Figure 24 : Open Loop Frequency Response and Phase Shift ° ...

Page 14

TS271C,I,M PACKAGE MECHANICAL DATA 8 PINS - PLASTIC DIP Dimensions Min 0.51 B 1.15 b 0.356 b1 0.204 3.18 Z 14/15 Millimeters Typ. Max. 3.32 1.65 0.55 0.304 10.92 ...

Page 15

PACKAGE MECHANICAL DATA 8 PINS - PLASTIC MICROPACKAGE (SO Dimensions Min 0 0.65 b 0.35 b1 0. 4 3 Information ...

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