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INA114

Burr-Brown Corporation
Part Number INA114
Manufacturer Burr-Brown Corporation
Description Precision INSTRUMENTATION AMPLIFIER
Published Apr 5, 2005
Detailed Description ® INA 114 INA114 INA 114 Precision INSTRUMENTATION AMPLIFIER FEATURES q LOW OFFSET VOLTAGE: 50µV max q LOW DRIFT: ...
Datasheet PDF File INA114 PDF File

INA114
INA114

Overview
® INA 114 INA114 INA 114 Precision INSTRUMENTATION AMPLIFIER FEATURES q LOW OFFSET VOLTAGE: 50µV max q LOW DRIFT: 0.
25µV/°C max q LOW INPUT BIAS CURRENT: 2nA max q HIGH COMMON-MODE REJECTION: 115dB min q INPUT OVER-VOLTAGE PROTECTION: ±40V q WIDE SUPPLY RANGE: ±2.
25 to ±18V q LOW QUIESCENT CURRENT: 3mA max q 8-PIN PLASTIC AND SOL-16 DESCRIPTION The INA114 is a low cost, general purpose instrumentation amplifier offering excellent accuracy.
Its versatile 3-op amp design and small size make it ideal for a wide range of applications.
A single external resistor sets any gain from 1 to 10,000.
Internal input protection can withstand up to ±40V without damage.
The INA114 is laser trimmed for very low offset voltage (50µV), drift (0.
25µV/°C) and high common-mode rejection (115dB at G = 1000).
It operates with power supplies as low as ±2.
25V, allowing use in battery operated and single 5V supply systems.
Quiescent current is 3mA maximum.
The INA114 is available in 8-pin plastic and SOL-16 surface-mount packages.
Both are specified for the –40°C to +85°C temperature range.
APPLICATIONS q BRIDGE AMPLIFIER q THERMOCOUPLE AMPLIFIER q RTD SENSOR AMPLIFIER q MEDICAL INSTRUMENTATION q DATA ACQUISITION V+ 7 (13) – VIN 2 (4) 1 (2) RG 8 (15) + VIN 3 (5) Over-Voltage Protection A2 25kΩ 25kΩ 25kΩ 5 (10) Ref Over-Voltage Protection INA114 Feedback A1 25kΩ 25kΩ A3 6 (11) 25kΩ (12) DIP Connected Internally VO G=1+ 50kΩ RG 4 (7) DIP 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 ® (SOIC) ©1992 Burr-Brown Corporation PDS-1142D 1 Printed in U.
S.
A.
March, 1998 INA114 SPECIFICATIONS ELECTRICAL At TA = +25°C, VS = ±15V, RL = 2kΩ, unless otherwise noted.
INA114BP, ...


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