DIFFERENCE AMPLIFIER. INA2132 Datasheet


INA2132 AMPLIFIER. Datasheet pdf. Equivalent


Part Number

INA2132

Description

DIFFERENCE AMPLIFIER

Manufacture

Burr-Brown Corporation

Total Page 17 Pages
Datasheet
Download INA2132 Datasheet


INA2132
®
INA2132
INA2132
Dual, Low Power, Single-Supply
DIFFERENCE AMPLIFIER
SBOS108
FEATURES
q DESIGNED FOR LOW COST
q LOW QUIESCENT CURRENT:
160µA per Amplifier
q WIDE POWER SUPPLY RANGE:
Single Supply: 2.7V to 36V
Dual Supplies: ±1.35V to ±18V
q LOW GAIN ERROR: ±0.05% max
q LOW NONLINEARITY: 0.001% max
q HIGH CMRR: 90dB
q HIGHLY VERSATILE CIRCUIT
q EASY TO USE
q SO-14 PACKAGE
APPLICATIONS
q DIFFERENTIAL INPUT AMPLIFIER
q INSTRUMENTATION AMPLIFIER
BUILDING BLOCK
q UNITY-GAIN INVERTING AMPLIFIER
q G = 1/2 AMPLIFIER
q G = 2 AMPLIFIER
q SUMMING AMPLIFIER
q DIFFERENTIAL CURRENT RECEIVER
q VOLTAGE-CONTROLLED CURRENT SOURCE
q BATTERY-POWERED SYSTEMS
q GROUND LOOP ELIMINATOR
DESCRIPTION
The INA2132 is a dual low power, unity-gain differ-
ence amplifier offering excellent value at very low
cost. Each channel consists of a precision op amp with
a laser-trimmed precision resistor network, providing
accurate gain and high common-mode rejection. Ex-
cellent TCR tracking of the resistors maintains gain
accuracy and common-mode rejection over tempera-
ture. The internal op amp’s common-mode range
extends to the negative supply—ideal for single-sup-
ply applications.
The difference amplifier is the foundation of many
commonly used circuits. The INA2132 provides this
circuit function without using an expensive precision
resistor network. The INA2132 is available in the
SO-14 surface-mount package and is specified for
operation over the extended industrial temperature
range, –40°C to +85°C.
A single version of this product with similar specifi-
cations is also available. See the INA132 data sheet
for details.
V+
11
–In A 2
40k
40k
12 Sense A
+In A 3
40k
–In B 6
40k
A
40k
40k
13 Out A
14 Ref A
10 Sense B
B 9 Out B
+In B 5
40k
40k
8 Ref B
INA2132
4
V–
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1998 Burr-Brown Corporation
PDS-1488A
Printed in U.S.A. December, 1998

INA2132
SPECIFICATIONS: VS = ±15V
At TA = +25°C, RL = 10kconnected to ground, and reference pins connected to ground unless otherwise noted.
INA2132U
INA2132UA
PARAMETER
CONDITIONS
OFFSET VOLTAGE(1)
Initial
vs Temperature
vs Power Supply
vs Time
Channel Separation(2)
VOS
dVOS /dT
PSRR
RTO
VS = ±1.35V to ±18V
dc
INPUT IMPEDANCE(3)
Differential
Common-Mode
INPUT VOLTAGE RANGE
Common-Mode Voltage Range(4)
Common-Mode Rejection Ratio CMRR
OUTPUT VOLTAGE NOISE(5)
f = 0.1Hz to 10Hz
f = 1kHz
VO = 0V
VCM = –30V to 28V, RS = 0
RTO
GAIN
Initial
Error
vs Temperature
Nonlinearity
OUTPUT
Voltage, Positive
Negative
Positive
Negative
Current Limit, per Amplifier
Capacitive Load (stable operation)
VO = –14V to 13.5V
VO = –14V to 13.5V
RL = 100kto Ground
RL = 100kto Ground
RL = 10kto Ground
RL = 10kto Ground
Continuous to Common
FREQUENCY RESPONSE
Small-Signal Bandwidth
Slew Rate
Settling Time: 0.1%
0.01%
Overload Recovery Time
SR
–3dB
VO = 10V Step
VO = 10V Step
50% Overdrive
POWER SUPPLY
Rated Voltage
Voltage Range
VS
Quiescent Current (per amplifier) IQ
TEMPERATURE RANGE
Specification
Operation
Storage
Thermal Resistance
θJA
IO = 0mA
T Specifications the same as INA2132U.
MIN
TYP
MAX
±75
±1
±5
0.3
0.04
±250
±5
±30
80
40
2 (V–)
80
2 (V+) –2
90
1.6
65
1
±0.01
±1
±0.0001
±0.05
±10
±0.001
(V+) –1 (V+) –0.8
(V–) +0.5 (V–) +0.15
(V+) –1.5 (V+) –0.8
(V–) +1 (V–) +0.25
±12
10
300
0.1
85
88
7
±1.35
±15
±160
±18
±185
–40 +85
–55 +125
–55 +125
100
MIN
T
74
T
T
T
T
T
T
T
T
TYP
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
MAX
UNITS
±500
±10
T
µV
µV/°C
µV/V
µV/mo
µV/V
k
k
TV
dB
µVp-p
nV/Hz
±0.1
T
±0.002
V/V
%
ppm/°C
% of FS
V
V
V
V
mA
nF
kHz
V/µs
µs
µs
µs
V
TV
T µA
T °C
T °C
T °C
°C/W
NOTES: (1) Includes effects of amplifier’s input bias and offset currents. (2) Measured output offset change of one channel for a full-scale swing (VO = –14V
to 13.5V) on the opposite channel. (3) 40kresistors are ratio matched but have ±20% absolute value. (4) 2 (V–) –VREF < VCM < 2 ((V+) –1) –VREF. For more detail,
see Applications Information section. (5) Includes effects of amplifier’s input current noise and thermal noise contribution of resistor network.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
®
INA2132
2


Features ® INA2132 INA2132 Dual, Low Power, Si ngle-Supply DIFFERENCE AMPLIFIER SBOS1 08 FEATURES q DESIGNED FOR LOW COST q LOW QUIESCENT CURRENT: 160µA per Ampli fier q WIDE POWER SUPPLY RANGE: Single Supply: 2.7V to 36V Dual Supplies: ±1. 35V to ±18V q LOW GAIN ERROR: ±0.05% max q LOW NONLINEARITY: 0.001% max q HI GH CMRR: 90dB q HIGHLY VERSATILE CIRCUI T q EASY TO USE q SO-14 PACKAGE APPLIC ATIONS q DIFFERENTIAL INPUT AMPLIFIER q INSTRUMENTATION AMPLIFIER BUILDING BLO CK q UNITY-GAIN INVERTING AMPLIFIER q G = 1/2 AMPLIFIER q G = 2 AMPLIFIER q SU MMING AMPLIFIER q DIFFERENTIAL CURRENT RECEIVER q VOLTAGE-CONTROLLED CURRENT S OURCE q BATTERY-POWERED SYSTEMS q GROUN D LOOP ELIMINATOR DESCRIPTION The INA2 132 is a dual low power, unity-gain dif ference amplifier offering excellent va lue at very low cost. Each channel cons ists of a precision op amp with a laser -trimmed precision resistor network, pr oviding accurate gain and high common-m ode rejection. Excellent TCR tracking of the resistors maintains gai.
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