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TC913A

TelCom Semiconductor
Part Number TC913A
Manufacturer TelCom Semiconductor
Description DUAL AUTO-ZEROED OPERATIONAL AMPLIFIERS
Published Apr 23, 2005
Detailed Description 1 TC913A TC913B DUAL AUTO-ZEROED OPERATIONAL AMPLIFIERS FEATURES s s First Monolithic Dual Auto-Zeroed Operational Ampli...
Datasheet PDF File TC913A PDF File

TC913A
TC913A

Overview
1 TC913A TC913B DUAL AUTO-ZEROED OPERATIONAL AMPLIFIERS FEATURES s s First Monolithic Dual Auto-Zeroed Operational Amplifier Chopper Amplifier Performance Without External Capacitors — VOS .
15µV Max — VOS Drift .
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0.
15µV/°C Max — Saves Cost/Assembly of Four "Chopper" Capacitors SOIC Packages Available High DC Gain .
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120dB Low Supply Current .
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650µA Low Input Voltage Noise (0.
1 Hz to 10 Hz) 0.
65µVP-P Wide Common-Mode Voltage Range .
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VSS to VDD – 2V High Common-Mode Rejection 116dB Dual or Single Supply Operation .
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±3.
3V to ±8.
3V +6.
5V to +16V Excellent AC Operating Characteristics — Slew Rate 2.
5V/µsec — Unity-Gain Bandwidth .
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1.
5MHz Pin Compatible With LM358, OP-14, MC1458, ICL7621, TL082, TLC322 GENERAL DESCRIPTION The TC913 is the world's first complete monolithic, dual auto-zeroed operational amplifier.
The TC913 sets a new standard for low-power, precision dual-operational amplifiers.
Chopper-stabilized or auto-zeroed amplifiers offer low offset voltage errors by periodically sampling offset error, and storing correction voltages on capacitors.
Previous single amplifier designs required two user-supplied, external 0.
1µF error storage correction capacitors — much too large for on-chip integration.
The unique TC913 architecture requires smaller capacitors, making on-chip integration possible.
Microvolt offset levels are achieved and external capacitors are not required.
The TC913 system benefits are apparent when contrasted with a TC7650 chopper amplifier circuit implementation.
A single TC913 replaces two TC7650's and four capacitors.
Five components and assembly steps are eliminated.
The TC913 pinout matches many popul...


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