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TC913ACOA Datasheet(PDF) 1 Page - Microchip Technology |
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TC913ACOA Datasheet(HTML) 1 Page - Microchip Technology |
1 / 12 page © 2002 Microchip Technology Inc. DS21482B-page 1 TC913A/TC913B Features • First Monolithic Dual Auto-Zeroed Operational Amplifier • Chopper Amplifier Performance Without External Capacitors -VOS:15µVMax -VOS: Drift; 0.15µV/°C Max - Saves Cost of External Capacitors • SOIC Packages Available • High DC Gain; 120dB • Low Supply Current; 650 µA • Low Input Voltage Noise -0.65 µVP-P (0.1Hz to 10Hz) • Wide Common Mode Voltage Range -VSS to VDD -2V • High Common Mode Rejection; 116dB • Dual or Single Supply Operation: -±3.3V to ±8.3V - +6.5V to +16V • Excellent AC Operating Characteristics - Slew Rate; 2.5V/ µsec - Unity-Gain Bandwidth; 1.5MHz • Pin Compatible with LM358, OP-14, MC1458, ICL7621, TL082, TLC322 Applications • Instrumentation • Medical Instrumentation • Embedded Control • Temperature Sensor Amplifier • Strain Gage Amplifier Device Selection Table Package Type 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 amplifi- ers offer low offset voltage errors by periodically sam- pling offset error, and storing correction voltages on capacitors. Previous single amplifier designs required two user-supplied, external 0.1 µF error storage correc- tion capacitors — much too large for on-chip integra- tion. 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 con- trasted with a TC7650 chopper amplifier circuit imple- mentation. A single TC913 replaces two TC7650's and four capacitors. Five components and assembly steps are eliminated. The TC913 pinout matches many popular dual-opera- tional amplifiers: OP-04, TLC322, LM358, and ICL7621 are typical examples. In many applications, operating from dual 5V power supplies or single supplies, the TC913 offers superior electrical performance, and can be a functional drop-in replacement; printed circuit board rework is not necessary. The TC913's low offset voltage error eliminates offset voltage trim potentiometers often needed with bipolar and low accuracy CMOS operational amplifiers. The TC913 takes full advantage of Microchip's proprietary CMOS technology. Unity gain bandwidth is 1.5MHz and slew rate is 2.5V/ µsec. Part Number Package Temp. Range Offset Voltage TC913ACOA 8-Pin SOIC 0°C to +70°C 15 µV TC913ACPA 8-Pin PDIP 0°C to +70°C 15 µV TC913BCOA 8-Pin SOIC 0°C to +70°C 30 µV TC913BCPA 8-Pin PDIP 0°C to +70°C 30 µV 1 2 3 4 6 5 -IN B 7 8 OUT A -IN A +IN A V SS V SS V DD V DD +IN B PDIP SOIC TC913ACPA TC913BCPA TC913ACOA TC913BCOA OUT B A B 1 2 3 4 6 5 -IN B 7 8 OUT A -IN A +IN A +IN B OUT B A B Dual Auto-Zeroed Operational Amplifiers |
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