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TC911 数据表(PDF) 1 Page - TelCom Semiconductor, Inc |
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TC911 数据表(HTML) 1 Page - TelCom Semiconductor, Inc |
1 / 5 page 3-263 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 AUTO-ZEROED OPERATIONAL AMPLIFIERS FEATURES s First Monolithic Chopper-Stabilized Amplifier With On-Chip Nulling Capacitors s Offset Voltage .................................................... 5 µV s Offset Voltage Drift .................................. 0.05 µV/°C s Low Supply Current ...................................... 350 µA s High Common-Mode Rejection .................... 116dB s Single Supply Operation ....................... 4.5V to 16V s High Slew Rate ............................................. 2.5V/ µs s Wide Bandwidth ............................................ 1.5MHz s High Open-Loop Voltage Gain (RL = 10 kΩ) .................................................... 120dB s Low Input Voltage Noise (0.1 Hz to 1 Hz) .......................................... 0.65 µV P-P s Pin Compatible With ICL7650 s Lower System Parts Count GENERAL DESCRIPTION The TC911 CMOS auto-zeroed operational amplifier is the first complete monolithic chopper-stabilized amplifier. Chopper operational amplifiers like the ICL7650/7652 and LTC1052 require user-supplied, external offset compensa- tion storage capacitors. External capacitors are not re- quired with the TC911. Just as easy to use as the conven- tional OP07 type amplifier, the TC911 significantly reduces offset voltage errors. Pinout matches the OP07/741/7650 8-pin mini-DIP configuration. Several system benefits arise by eliminating the exter- nal chopper capacitors: lower system parts count, reduced assembly time and cost, greater system reliability, reduced PC board layout effort and greater board area utilization. Space savings can be significant in multiple-amplifier de- signs. Electrical specifications include 15 µV maximum offset voltage, 0.15 µV/°C maximum offset voltage temperature coefficient. Offset voltage error is five times lower than the premium OP07E bipolar device. The TC911 improves off- set drift performance by eight times. The TC911 operates from dual or single power sup- plies. Supply current is typically 350 µA. Single 4.5V to 16V supply operation is possible, making single 9V battery operation possible. The TC911 is available in 2 package types: 8-pin plastic DIP and SOIC. PIN CONFIGURATION (SOIC and DIP) + – + – VDD VSS TC911 –INPUT +INPUT A 2 3 47 B * * A B 6 *NOTE: Internal capacitors. No external capacitors required. MAIN AMPLIFIER LOW IMPEDANCE OUTPUT BUFFER INTERNAL OSCILLATOR (f 200 Hz) OSC ≈ V CORRECTION AMPLIFIER OS + – OUTPUT 1 2 3 4 8 7 6 5 OUTPUT NC + INPUT TC911ACPA TC911BCPA – INPUT NC NC V SS V SS V DD V DD NC = NO INTERNAL CONNECTION 1 2 3 4 8 7 6 5 OUTPUT NC + INPUT TC911ACOA TC911BCOA – INPUT NC NC ORDERING INFORMATION Maximum Temperature Offset Part No. Package Range Voltage TC911ACOA 8-Pin SOIC 0 °C to +70°C15µV TC911ACPA 8-Pin 0 °C to +70°C15µV Plastic DIP TC911BCOA 8-Pin SOIC 0 °C to +70°C30µV TC911BCPA 8-Pin 0 °C to +70°C30µV Plastic DIP FUNCTIONAL BLOCK DIAGRAM TC911/A/B-7 9/11/96 TC911A TC911B |
类似零件编号 - TC911 |
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类似说明 - TC911 |
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