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INA104

Burr-Brown Corporation
Part Number INA104
Manufacturer Burr-Brown Corporation
Description Very-High Accuracy INSTRUMENTATION AMPLIFIER
Published Apr 5, 2005
Detailed Description ® INA104 Very-High Accuracy INSTRUMENTATION AMPLIFIER FEATURES q VERSATILE FOUR OP AMP DESIGN q ULTRA-LOW VOLTAGE DRIF...
Datasheet PDF File INA104 PDF File

INA104
INA104

Overview
® INA104 Very-High Accuracy INSTRUMENTATION AMPLIFIER FEATURES q VERSATILE FOUR OP AMP DESIGN q ULTRA-LOW VOLTAGE DRIFT: 0.
25µV/°C, max q LOW OFFSET VOLTAGE: 25µV, max q LOW NONLINEARITY: 0.
002%, max q LOW NOISE: 13nV/√ Hz at f0 = 1kHz q HIGH CMR: 106dB at 60Hz, min q HIGH INPUT IMPEDANCE: 1010Ω q LOW COST DESCRIPTION The INA104 is a high accuracy, multistage, integrated-circuit instrumentation amplifier designed for signal conditioning requirements where very high performance is desired.
A multiamplifier, monolithic design, which uses BurrBrown’s ultra-low drift, low-noise technology, provides the highest performance with maximum versatility at the lowest cost and makes the INA104 ideal for even high volume applications.
Burr-Brown’s compatible thin-film resistors and lasertrimming techniques are used for minimizing offset voltage and temperature drift.
This advanced technique also maximizes common-mode rejection and gain accuracy.
The INA104 also contains a fourth operational amplifier, specified separately, which can conveniently be used for some important applications such as single capacitor active low-pass filtering, easy output level shifting, common-mode voltage active guard drive, and increased gain (x 10,000 and greater).
A3 A4 Output Inverting Input 8 9 APPLICATIONS q AMPLIFICATION OF SIGNALS FROM SOURCES SUCH AS: Strain Gages Thermocouples RTDs q REMOTE TRANSDUCER AMPLIFIER q LOW LEVEL SIGNAL CONDITIONER q MEDICAL INSTRUMENTATION 20kΩ Gain Gain Sense –In 14 18 17 12 10kΩ A1 26kΩ 4 20kΩ 26kΩ A3 A4 10 10kΩ 10kΩ 10kΩ 11 A4 Summing Junction Feedback Resistor CMV Sense A4 Output Gain Gain Sense +In 5 1 2 10kΩ A2 10kΩ 5kΩ 16 Offset Adjust 15 Offset Adjust 13 +VCC 3 –VCC 6 Common 7 A4 Non-Inverting Input International Airport Industrial Park • Mailing Address: PO Box 11400 Tel: (520) 746-1111 • Twx: 910-952-1111 • Cable: BBRCORP • • Tucson, AZ 85734 • Street Address: 6730 S.
Tucson Blvd.
• Tucson, AZ 85706 Telex: 066-6491 • FAX: (520) 889...


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