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INA103KP Datasheet(PDF) 1 Page - Texas Instruments |
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INA103KP Datasheet(HTML) 1 Page - Texas Instruments |
1 / 17 page ® INA103 1 Low Noise, Low Distortion INSTRUMENTATION AMPLIFIER FEATURES q LOW NOISE: 1nV/ √Hz q LOW THD+N: 0.0009% at 1kHz, G = 100 q HIGH GBW: 100MHz at G = 1000 q WIDE SUPPLY RANGE: ±9V to ±25V q HIGH CMRR: >100dB q BUILT-IN GAIN SETTING RESISTORS: G = 1, 100 q UPGRADES AD625 APPLICATIONS q HIGH QUALITY MICROPHONE PREAMPS (REPLACES TRANSFORMERS) q MOVING-COIL PREAMPLIFIERS q DIFFERENTIAL RECEIVERS q AMPLIFICATION OF SIGNALS FROM: Strain Gages (Weigh Scale Applications) Thermocouples Bridge Transducers DESCRIPTION The INA103 is a very low noise, low distortion mono- lithic instrumentation amplifier. Its current-feedback circuitry achieves very wide bandwidth and excellent dynamic response. It is ideal for low-level audio signals such as balanced low-impedance microphones. The INA103 provides near-theoretical limit noise per- formance for 200 Ω source impedances. Many indus- trial applications also benefit from its low noise and wide bandwidth. Unique distortion cancellation circuitry reduces dis- tortion to extremely low levels, even in high gain. Its balanced input, low noise and low distortion provide superior performance compared to transformer-coupled microphone amplifiers used in professional audio equipment. The INA103’s wide supply voltage ( ±9 to ±25V) and high output current drive allow its use in high-level audio stages as well. A copper lead frame in the plastic DIP assures excellent thermal performance. The INA103 is available in 16-pin plastic DIP and SOL-16 surface-mount packages. Commercial and In- dustrial temperature range models are available. –Input +Input +Gain Sense 3k Ω 60.6 Ω G = 100 –R –Gain Drive +Gain Drive Ref Sense Output 6k Ω 6k Ω 6k Ω 3k Ω G + – – + – + +R G 16 15 2 1 6 13 14 12 5 7 11 10 V– 9 8 V+ 3 4 Offset Null Offset Null –Gain Sense A 1 A 2 A 3 6k Ω ® INA103 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 INA103 INA103 ©1990 Burr-Brown Corporation PDS-1016H Printed in U.S.A. March, 1998 SBOS003 |
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