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AD7835ASZ-REEL Datasheet(PDF) 3 Page - Analog Devices |
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AD7835ASZ-REEL Datasheet(HTML) 3 Page - Analog Devices |
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3 / 28 page  AD7834/AD7835 Rev. D | Page 3 of 28 SPECIFICATIONS VCC = 5 V ± 5%; VDD = 15 V ± 5%; VSS = −15 V ± 5%; AGND = DGND = 0 V; TA1 = TMIN to TMAX, unless otherwise noted. Table 1. Parameter A B S Unit Test Conditions/Comments ACCURACY Resolution 14 14 14 Bits Relative Accuracy ±2 ±1 ±2 LSB max Differential Nonlinearity ±0.9 ±0.9 ±0.9 LSB max Guaranteed monotonic over temperature. Full-Scale Error VREF(+) = +7 V, VREF(−) = −7 V. TMIN to TMAX ±5 ±5 ±8 mV max Zero-Scale Error ±4 ±4 ±5 mV max VREF(+) = +7 V, VREF(−) = −7 V. Gain Error ±0.5 ±0.5 ±0.5 mV typ VREF(+) = +7 V, VREF(−) = −7 V. Gain Temperature Coefficient2 4 4 4 ppm FSR/°C typ 20 20 20 ppm FSR/°C max DC Crosstalk2 50 50 50 μV max See the Terminology section. RL = 10 kΩ. REFERENCE INPUTS DC Input Resistance 30 30 30 MΩ typ Input Current ±1 ±1 ±1 μA max Per input. VREF(+) Range 0/8.192 0/8.192 0/8.192 V min/max VREF(−) Range −8.192/0 −8.192/0 −8.192/0 V min/max VREF(+) − VREF(−) 5/14 7/14 5/14 V min/max For specified performance. Can go as low as 0 V, but performance is not guaranteed. DEVICE SENSE GROUND INPUTS Input Current ±2 ±2 ±2 μA max Per input. VDSG = −2 V to +2 V. DIGITAL INPUTS VINH, Input High Voltage 2.4 2.4 2.4 V min VINL, Input Low Voltage 0.8 0.8 0.8 V max IINH, Input Current ±10 ±10 ±10 μA max CIN, Input Capacitance 10 10 10 pF max POWER REQUIREMENTS VCC 5.0 5.0 5.0 V nom ±5% for specified performance. VDD 15.0 15.0 15.0 V nom ±5% for specified performance. VSS −15.0 −15.0 −15.0 V nom ±5% for specified performance. Power Supply Sensitivity ΔFull Scale/ΔVDD 110 110 110 dB typ ΔFull Scale/ΔVSS 100 100 100 dB typ ICC 0.2 0.2 0.5 mA max VINH = VCC, VINL = DGND. 3 3 3 mA max AD7834: VINH = 2.4 V min, VINL = 0.8 V max. 6 6 6 mA max AD7835: VINH = 2.4 V min, VINL = 0.8 V max. IDD 13 13 15 mA max AD7834: outputs unloaded. 15 15 15 mA max AD7835: outputs unloaded. ISS 13 13 15 mA max Outputs unloaded. 1 Temperature range for A, B, and C versions is −40°C to +85°C. 2 Guaranteed by design. |
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