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Numéro de référence | INA2126 | ||
Description | MicroPOWER INSTRUMENTATION AMPLIFIER Single and Dual Versions | ||
Fabricant | Burr-Brown Corporation | ||
Logo | |||
1 Page
®
INA126
INA2126
INA126
INA2126
INA2126
INA126
INA2126
MicroPOWER INSTRUMENTATION AMPLIFIER
Single and Dual Versions
FEATURES
DESCRIPTION
q LOW QUIESCENT CURRENT: 175µA/chan.
q WIDE SUPPLY RANGE: ±1.35V to ±18V
q LOW OFFSET VOLTAGE: 250µV max
q LOW OFFSET DRIFT: 3µV/°C max
q LOW NOISE: 35nV/√ Hz
q LOW INPUT BIAS CURRENT: 25nA max
q 8-PIN DIP, SO-8, MSOP-8 SURFACE- MOUNT
DUAL: 16-Pin DIP, SO-16, SSOP-16
APPLICATIONS
q INDUSTRIAL SENSOR AMPLIFIER:
Bridge, RTD, Thermocouple
q PHYSIOLOGICAL AMPLIFIER:
ECG, EEG, EMG
q MULTI-CHANNEL DATA ACQUISITION
q PORTABLE, BATTERY OPERATED SYSTEMS
VI+N 3
8
RG
1
VI–N 2
V+
7
INA126
6
40kΩ
10kΩ
VO = (VI+N – VI–N) G
G = 5 + 80k
RG
10kΩ
40kΩ
4
5
The INA126 and INA2126 are precision instrumentation
amplifiers for accurate, low noise differential signal acquisi-
tion. Their two-op-amp design provides excellent perfor-
mance with very low quiescent current (175µA/chan.). This,
combined with wide operating voltage range of ±1.35V to
±18V, makes them ideal for portable instrumentation and data
acquisition systems.
Gain can be set from 5V/V to 10000V/V with a single
external resistor. Laser trimmed input circuitry provides
low offset voltage (250µV max), low offset voltage drift
(3µV/°C max) and excellent common-mode rejection.
Single version package options include 8-pin plastic DIP,
SO-8 surface mount, and fine-pitch MSOP-8 surface-mount.
Dual version is available in the space-saving SSOP-16 fine-
pitch surface mount, SO-16, and 16-pin DIP. All are speci-
fied for the –40°C to +85°C industrial temperature range.
V+
VI+N 2
4
RG
INA2126 9
6
40kΩ
10kΩ
7
VO = (VI+N – VI–N) G
G=5+
80k
RG
3
VI–N 1
VI+N 15
13
RG
10kΩ
40kΩ
40kΩ
10kΩ
5
11 VO = (VI+N – VI–N) G
10
G=5+
80k
RG
14
VI–N 16
8
10kΩ
40kΩ
12
V–
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/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1996 Burr-Brown Corporation
PDS-1365C
Printed in U.S.A. September, 1997
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Pages | Pages 9 | ||
Télécharger | [ INA2126 ] |
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