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AM452 датащи(PDF) 5 Page - WOLFSPEED, INC. |
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AM452 датащи(HTML) 5 Page - WOLFSPEED, INC. |
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5 / 21 page ![]() AM452 – Voltage-to-current transducer IC with a differential input Analog Microelectronics GmbH An der Fahrt 13, D – 55124 Mainz February 2008 - Rev 1.2 - Page 5/21 Phone: +49 (0)6131/91 073-0 Fax: +49 (0)6131/91 073-30 Internet: http://www.analogmicro.de Email: info@analogmicro.de Parameter Symbol Conditions Min. Typ. Max. Unit Instrumentation Amplifier (cont.) Internal Gain GIA 4.9 5 5.1 Differential Input Voltage Range VIN 0 ±400 mV Common Mode Input Range CMIR VCC < 9V, ICV < 2mA 1.5 VCC – 3 V CMIR VCC ≥ 9V, ICV < 2mA 1.5 6.0 V Common Mode Rejection Ratio CMRR 80 90 dB Power Supply Rejection Ratio PSRR 80 90 dB Offset Voltage VOS -9.0 -1.5 +6.0 mV VOS vs. Temperature dVOS/dT ±5 µV/°C Input Bias Current IB –100 –250 nA IB vs. Temperature dIB/dT –0.4 –0.9 nA/°C Output Voltage VOUTIA VCC < 9V VCC – 4 V VOUTIA VCC ≥ 9V 5 V Minimum Output Voltage VOUTIAmin 4.5 16 mV Load Capacitance CL 250 pF Zero Adjust Stage Internal Gain GZA 0.94 1 1.06 VZA ≤ VOUTIAmax – GIA ∆VIN ; Vcc<9V, ∆VIN=400mV, GIA=5 0 Vcc-6 V Zero Adjust Voltage VZA VZA ≤ VOUTIAmax – GIA ∆VIN; Vcc≥9V, ∆VIN =400mV, GIA=5 0 3 V Offset Voltage VOS ±0.5 ±2.0 mV VOS vs. Temperature dVOS/dT ±1.6 ±5 µV/°C Input Bias Current IB 47 120 nA IB vs. Temperature dIB/dT 18 30 pA/°C Operational Amplifier – Gain Stage (OP1) Adjustable Gain GGAIN 1 Input Range IR VCC < 10V 0 VCC – 5 V IR VCC ≥ 10V 0 5 V Power Supply Rejection Ratio PSRR 80 90 dB Offset Voltage VOS -3.0 -1.0 1.0 mV VOS vs. Temperature dVOS/dT ±3 ±7 µV/°C Input Bias Current IB 10 25 nA IB vs. Temperature dIB/dT 7 20 pA/°C Output Voltage Limitation VLIM VREF V Output Voltage Range VOP VCC < 10V 0 VCC – 5 V VOP VCC ≥ 10V 0 VREF V Load Capacitance CL 250 pF NB: The current in the IC is given as a negative quantity. |
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