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AM462 bảng dữ liệu(PDF) 5 Page - WOLFSPEED, INC. |
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AM462 bảng dữ liệu(HTML) 5 Page - WOLFSPEED, INC. |
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5 / 20 page ![]() Industrial V/I Converter and Protector IC AM462 Analog Microelectronics GmbH An der Fahrt 13, D – 55124 Mainz Oktober 2007 – Rev.2.5 -Page 5/20 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 Operational Amplifier Gain Stage (OP1) (cont.) 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 VOUTAD VCC < 10V 0 VCC – 5 V VOUTAD VCC ≥ 10V 0 VREF V Load Capacitance CL 250 pF V/I Converter Internal Gain GVI 0,12 0.125 0,13 Trim Range Adjustable by R0 0.75 1.00 1.25 Voltage Range at R0 FS VR0FS 350 750 mV Offset Voltage VOS Forward Current Gain of T1 βF ≥ 100 ±2 ±4 mV VOS vs. Temperature dVOS/dT Forward Current Gain of T1 βF ≥ 100 ±7 ±14 µV/°C Input Resistance RIN 120 160 k Ω RIN vs. Temperature dRIN/dT 0.2 0.3 k Ω/°C Output Offset Current IOUTOS 3-wire operation –25 –35 µA IOUTOS vs. Temperature dIOUTOS/dT 3-wire operation 16 26 nA/°C Output Offset Current IOUTOS 2-wire operation 9.5 14 µA IOUTOS vs. Temperature dIOUTOS/dT 2-wire operation 6 8 nA/°C Output Control Current IOUTC 2-wire operation, VR0/100mV 6 8 µA IOUTC vs. Temperature dIOUTC/dT 2-wire operation –10 –15 nA/°C Output Voltage Range VOUT VOUT = RL IOUT, VCC < 18V 0 VCC – 6 V VOUT VOUT = RL IOUT, VCC ≥ 18V 0 12 V Output Current Range FS IOUTFS IOUT = VR0/R0, 3-wire operation 20 mA Output Resistance ROUT 0.5 1.0 M Ω Load Capacitance CL 0 500 nF SET Stage Internal Gain GSET 0.5 Input Voltage VSET 0 1.15 V Offset Voltage VOS ±0.5 ±1.5 mV VOS vs. Temperature dVOS/dT ±1.6 ±5 µV/°C Input Bias Current IB 8 20 nA IB vs. Temperature dIB/dT 7 18 pA/°C Protection Functions Voltage Limitation at R0 VLIMR0 VINDAI = 0, VR0 = GSET VSET 580 635 690 mV Protection against reverse polarity Ground vs. VS vs. VOUT 35 V Ground vs. VS vs. IOUT 35 V Current in the event of reverse polarity Ground = 35V, VS = IOUT = 0 4.5 mA System Parameters Nonlinearity Ideal input 0.05 0.15 %FS * In 2-wire operation a maximum current of IOUTmin – ICC is valid |
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