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ADT7316ARQ Datasheet(PDF) 3 Page - Analog Devices |
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ADT7316ARQ Datasheet(HTML) 3 Page - Analog Devices |
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3 / 44 page  ADT7316/ADT7317/ADT7318 Rev. B | Page 3 of 44 SPECIFICATIONS Temperature ranges for A version: –40°C to +120°C. VDD = 2.7 V to 5.5 V, GND = 0 V, REFIN = 2.25 V, unless otherwise noted. Table 1. Parameter1 Min Typ Max Unit Conditions/Comments DAC DC PERFORMANCE2, 3 ADT7318 Resolution 8 Bits Relative Accuracy ±0.15 ±1 LSB Differential Nonlinearity ±0.02 ±0.25 LSB Guaranteed monotonic over all codes. ADT7317 Resolution 10 Bits Relative Accuracy ±0.5 ±4 LSB Differential Nonlinearity ±0.05 ±0.5 LSB Guaranteed monotonic over all codes. ADT7316 Resolution 12 Bits Relative Accuracy ±2 ±16 LSB Differential Nonlinearity ±0.02 ±0.9 LSB Guaranteed monotonic over all codes. Offset Error ±0.4 ±2 % of FSR Gain Error ±0.4 ±2 % of FSR Lower Dead Band 20 65 mV Lower dead band exists only if offset error is negative. See Figure 2. Upper Dead Band 60 100 mV Upper dead band exists if VREF = VDD and offset plus gain error is positive. See Figure 3. Offset Error Drift −12 ppm of FSR/°C Gain Error Drift −5 ppm of FSR/°C DC Power Supply Rejection Ratio −60 dB ∆VDD = ±10%. DC Crosstalk 200 μV See Figure 6. THERMAL CHARACTERISTICS INTERNAL TEMPERATURE SENSOR Internal reference used. Averaging on. Accuracy at VDD = 3.3 V ±10% ±1.5 °C TA = 85°C. ±0.5 ±3 °C TA = 0°C to +85°C. ±2 ±5 °C TA = −40°C to +120°C. Accuracy at VDD = 5 V ±5% ±2 ±3 °C TA = 0°C to +85°C. ±3 ±5 °C TA = −40°C to +120°C. Resolution 10 Bits Equivalent to 0.25°C. Long-Term Drift 0.25 °C Drift over 10 years if part is operated at 55°C. EXTERNAL TEMPERATURE SENSOR External transistor = 2N3906. Accuracy at VDD = 3.3 V ±10% ±1.5 °C TA = +85°C. ±3 °C TA = 0°C to +85°C. ±5 °C TA = −40°C to +120°C. Accuracy at VDD = 5 V ±5% ±2 ±3 °C TA = 0°C to +85°C. ±3 ±5 °C TA = −40°C to +120°C. Resolution 10 Bits Equivalent to +0.25°C. Output Source Current 180 μA High level. 11 μA Low level. Thermal Voltage Output 8-Bit DAC Output Resolution 1 °C Scale Factor 8.79 mV/°C 0 V to VREF output. TA = −40°C to +120°C. 17.58 mV/°C 0 V to 2 VREF output. TA = −40°C to +120°C. 10-Bit DAC Output Resolution 0.25 °C Scale Factor 2.2 mV/°C 0 V to VREF output. TA = −40°C to +120°C. 4.39 mV/°C 0 V to 2 VREF output. TA= −40°C to +120°C. |
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