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AD53508 Datasheet(PDF) 3 Page - Analog Devices |
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AD53508 Datasheet(HTML) 3 Page - Analog Devices |
3 / 8 page –3– REV. 0 AD53508 Parameter Condition Min Typ Max Unit 1 ACCURACY—LOW RANGE Transresistance Error ( ±3% Tolerance) 0.0121 0.0125 0.0129 V/nA Offset Error ±4nA Gain Nonlinearity (Relative to Endpoints) ±0.05 % of Span Output Compliance Voltage-Induced Transresistance Error ±0.025 nA/V of Output DRIFT—LOW RANGE Gain Error Temperature Coefficient ±20 ppm MV/ °C Offset Drift ±70 pA/ °C DISABLE MODE 2 Voltage Swing, ±2 mA Range ±2 mA Drive –4 +9 V ±100 µA Drive –5 +12 V ACCURACY Gain ( ±0.1% Tolerance) 0.999 1.001 V/V Offset Error ±15 mV Gain Nonlinearity (Relative to Endpoints) ±0.02 % of Span Current Measure CMRR (at MEAS_OUT) ±0.31 mV/V DRIFT Gain Error Temperature Coefficient ±20 ppm (PV or MV)/ °C Offset Drift ±100 µV/°C OTHER SPECIFICATIONS Power Supply Rejection Ratio f < 40 Hz, VCC 70 dB f < 40 Hz, VEE 60 dB f = 40 kHz, VCC 35 dB f = 40 kHz, VEE 25 dB CURRENT MEASURE HOLD MODE LEAKAGE TAMB = +70 °C ±1.2 nA CROSSTALK 3 ±0.02 % of Span SETTLING TIMES TO 0.01% Voltage Force and Guard Voltage CLOAD = 100 pF 20 µs CLOAD = 2000 pF 2 ms Current Force (200 µA Range) ZLOAD = 100 pF 50 k Ω 50 µs MEAS_OUT Pin CLOAD = 20 pF 2 µs SHORT CIRCUIT CURRENT LIMIT MAGNITUDE Any Output Except Guards 8.5 20 mA GUARD SCC LIMIT MAGNITUDE 2.5 10 mA GUARD OFFSET (FROM SENSE INPUT PIN) –65 –25 0 mV IB (DAC1, DAC2) CURRENT ±1.0 µA DIGITAL INPUTS VIH 2.4 V VIL 0.8 V IIN (Input leakage current) 10 µA POWER SUPPLIES VCC (Positive Analog Supply Voltage) 14.0 15.0 15.75 V VEE (Negative Analog Supply Voltage) –10.5 –10.0 –9.0 V VDD (Logic Supply Voltage) 4.75 5.0 5.25 V ICC (Positive Analog Supply Current) 5 15 mA IEE (Negative Analog Supply Current) –15 –5 mA IDD (Logic Supply Current Is 0 with Inputs at Rails, Worst Case @ 2.4 VIN) 8mA NOTES 1PV = Programmed Value, MV = Measured Value, FSR = Full-Scale Range = span. 2Output connected: DAC2 and 2 mA range selected, unconditionally. 3f < 40 Hz, both channels in current force mode; other channel output voltage swinging rail to rail. Specifications subject to change without notice. |
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