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AMC7823IRTATG4 数据表(PDF) 4 Page - Texas Instruments |
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AMC7823IRTATG4 数据表(HTML) 4 Page - Texas Instruments |
4 / 55 page AMC7823 SLAS453F – APRIL 2005 – REVISED MARCH 2012 www.ti.com ELECTRICAL CHARACTERISTICS: +5V (continued) At –40°C to +85°C, AVDD = 5V, DVDD = 5V, BVDD = 3V to 5V, using external 2.5V reference, unless otherwise noted. AMC7823 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PRECISION CURRENT SOURCE Output current range 0.01 10 mA Output current accuracy Iout = 100μA 99.5 100.0 100.5 μA Output current drift Iout = 100μA 40 ppm/°C Output impedance Iout = 100μA 100 M Ω Compliance voltage of pin Iout = 10mA 3 4.25 V PRECISION_I_OUTPUT Power-supply rejection ratio 60 dB VOLTAGE REFERENCE (VREF) Internal reference voltage(5) At +25°C 2.495 2.50 2.505 V Internal reference drift –40°C to +85°C ±15 ppm/°C Output impedance of pin EXT_REF_IN 10 k Ω as internal reference output Short-circuit current 250 μA External reference voltage 1.20 2.55 V Internal reference selected 10 k Ω External reference input resistance Internal reference de-selected 1 M Ω External reference input capacitance 5 pF TEMPERATURE SENSOR Temperature range –40 +85 °C VREF = 2.5V +3.2 °C Resolution VREF = 1.25V +1.6 °C VREF = 2.5V ±4 °C Accuracy VREF = 1.25V ±2.0 °C LEVEL OF PIN GALR AND DAV IOH = 0.7mA 2.4 BVDD V IOL = 180μA 0 0.4 V DIGITAL INPUT/OUTPUT, EXCEPT PIN GALR AND DAV VIH BVDD = 5V, IIH = 5μA 3.5 BVDD + 0.3 V VIL BVDD = 5V, IIL = –5μA 0 0.8 V Logic level VOH BVDD = 5V, IOH = –3mA 4 BVDD V VOL BVDD = 5V, IOL = 3mA 0 0.4 V VIH BVDD = 3V, IIH = 5μA 2.1 BVDD + 0.3 V VIL BVDD = 3V, IIL = –5μA 0 0.6 V Logic level VOH BVDD = 3V, IOH = –3mA 2.4 BVDD V VOL BVDD = 3V, IOL = 3mA 0 0.4 V Input capacitance 5 pF (5) Bit GREF in AMC Status/Configuration Register determines the internal reference voltage. The internal VREF = 2.5V when GREF = 1, and the internal VREF = 1.25V when GREF = 0 (see AMC Status/Configuration Register for details). 4 Submit Documentation Feedback Copyright © 2005–2012, Texas Instruments Incorporated Product Folder Link(s): AMC7823 |
类似零件编号 - AMC7823IRTATG4 |
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类似说明 - AMC7823IRTATG4 |
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