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INA114BPG4 Datasheet(PDF) 1 Page - Texas Instruments |
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INA114BPG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 17 page ® INA114 1 FEATURES q LOW OFFSET VOLTAGE: 50 µV max q LOW DRIFT: 0.25 µV/°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 INA114 DESCRIPTION The INA114 is a low cost, general purpose instrumen- tation amplifier offering excellent accuracy. Its versa- tile 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 (50 µV), 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 cur- rent 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 A 1 A 2 A 3 (12) (11) 6 (10) 25k Ω 25k Ω 25k Ω 25k Ω (13) 7 (7) 4 (5) 3 (15) 8 (2) 1 (4) 2 V IN V IN R G V+ V– INA114 DIP (SOIC) Ref DIP Connected Internally V O G = 1 + 50k Ω R G – + 5 Over-Voltage Protection 25k Ω 25k Ω Over-Voltage Protection Feedback Precision INSTRUMENTATION AMPLIFIER ® 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 INA114 INA114 ©1992 Burr-Brown Corporation PDS-1142D Printed in U.S.A. March, 1998 SBOS014 |
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