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INA111

Burr-Brown Corporation
Part Number INA111
Manufacturer Burr-Brown Corporation
Description High Speed FET-Input INSTRUMENTATION AMPLIFIER
Published Apr 5, 2005
Detailed Description ® INA1 11 INA111 INA1 11 High Speed FET-Input INSTRUMENTATION AMPLIFIER FEATURES q FET INPUT: IB = 20pA max q LOW ...
Datasheet PDF File INA111 PDF File

INA111
INA111

Overview
® INA1 11 INA111 INA1 11 High Speed FET-Input INSTRUMENTATION AMPLIFIER FEATURES q FET INPUT: IB = 20pA max q LOW OFFSET VOLTAGE: 500µV max q LOW OFFSET VOLTAGE DRIFT: 5µV/°C max q HIGH COMMON-MODE REJECTION: 106dB min q 8-PIN PLASTIC DIP, SOL-16 SOIC q HIGH SPEED: TS = 4µs (G = 100, 0.
01%) DESCRIPTION The INA111 is a high speed, FET-input instrumentation amplifier offering excellent performance.
The INA111 uses a current-feedback topology providing extended bandwidth (2MHz at G = 10) and fast settling time (4µs to 0.
01% at G = 100).
A single external resistor sets any gain from 1 to over 1000.
Offset voltage and drift are laser trimmed for excellent DC accuracy.
The INA111’s FET inputs reduce input bias current to under 20pA, simplifying input filtering and limiting circuitry.
The INA111 is available in 8-pin plastic DIP, and SOL-16 surface-mount packages, specified for the –40°C to +85°C temperature range.
APPLICATIONS q MEDICAL INSTRUMENTATION q DATA ACQUISITION V+ 7 (13) – VIN INA111 2 (4) 1 (2) RG 8 (15) + VIN 3 (5) A2 10kΩ 10kΩ 25kΩ 5 (10) Ref Feedback A1 10kΩ 25kΩ A3 6 (11) 10kΩ (12) DIP Connected Internally VO G=1+ 50kΩ RG 4 (7) DIP V– (SOIC) 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 ® © 1992 Burr-Brown Corporation PDS-1143E 1 Printed in U.
S.
A.
March, 1998 INA111 SPECIFICATIONS ELECTRICAL At TA = +25°C, VS = ±15V, RL = 2kΩ, unless otherwise noted.
INA111BP, BU PARAMETER CONDITIONS MIN TYP MAX MIN INA111AP, AU TYP MAX UNITS INPUT Offset Voltage, RTI Initial TA = +25°C vs Temperature TA = TMIN to TMAX vs Power Supply VS = ±6V to ±18V Impedance, Differential Common-Mode Input Common-Mode Range VDIFF = 0V Common-Mode Rejection ...


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