INA102 Datasheet, PDF (1/13 Pages) Burr-Brown (TI) – Low Power INSTRUMENTATION AMPLIFIER

SBOS137
®
INA102
ABRIDGED DATA SHEET
For Complete Data Sheet
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Low Power
INSTRUMENTATION AMPLIFIER
FEATURES
q LOW QUIESCENT CURRENT: 750µA max
q INTERNAL GAINS: 1, 10, 100, 1000
q LOW GAIN DRIFT: 5ppm/°C max
q HIGH CMR: 90dB min
q LOW OFFSET VOLTAGE DRIFT:
2µV/°C max
q LOW OFFSET VOLTAGE: 100µV max
q LOW NONLINEARITY: 0.01% max
q HIGH INPUT IMPEDANCE: 10¹⁰Ω
APPLICATIONS
q AMPLIFICATION OF SIGNALS FROM
SOURCES SUCH AS:
Strain Gages (Weigh Scale Applications)
Thermocouples
Bridge Transducers
q REMOTE TRANSDUCER AMPLIFIER
q LOW-LEVEL SIGNAL AMPLIFIER
q MEDICAL INSTRUMENTATION
q MULTICHANNEL SYSTEMS
q BATTERY POWERED EQUIPMENT
DESCRIPTION
The INA102 is a high-accuracy monolithic instrumen-
1 16
12
9
tation amplifier designed for signal conditioning
V+
V–
applications where low quiescent power is desired.
14
13
On-chip thin-film resistors provide excellent tempera-
ture and stability performance. State-of-the-art laser-
trimming technology insures high gain accuracy and
4.44kΩ
A₁
2
404Ω
20kΩ
20kΩ
3
5pF
20kΩ
common-mode rejection while avoiding expensive
40.04Ω
external components. These features make the INA102
4
ideally suited for battery-powered and high-volume
5
applications.
5pF
A₃
11
5pF
The INA102 is also convenient to use. A gain of 1, 10,
100, or 1000 may be selected by simply strapping the
7
appropriate pins together. A gain drift of 5ppm/°C in
6
low gains can then be achieved without external
15
adjustment. When higher-than-specified CMR is
20kΩ
20kΩ
20kΩ
10
A₂
5pF
8
required, CMR can be trimmed using the pins pro-
vided. In addition, balanced filtering can be accom-
plished in the output stage.
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Tel: [phone] • Twx: 910-952-1111 • Cable: BBRCORP • Telex: 066-6491 • FAX: [phone] • Immediate Product Info: [phone]
© 1985 Burr-Brown Corporation
PDS-523G
Printed in U.S.A. October, 1993