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ADT7517 Arkusz danych(PDF) 4 Page - Analog Devices |
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ADT7517 Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 44 page ADT7516/ADT7517/ADT7519 Rev. B | Page 4 of 44 Parameter1 Min Typ Max Unit Conditions/Comments External Temperature Sensor External transistor = 2N3906 Accuracy @ 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 @ 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 8.97 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 CONVERSION TIMES Single channel mode Slow ADC VDD/AIN 11.4 ms Averaging (16 samples) on 712 μs Averaging off Internal Temperature 11.4 ms Averaging (16 samples) on 712 μs Averaging off External Temperature 24.22 ms Averaging (16 samples) on 1.51 ms Averaging off Fast ADC VDD/AIN 712 μs Averaging (16 samples) on 44.5 μs Averaging off Internal Temperature 2.14 ms Averaging (16 samples) on 134 μs Averaging off External Temperature 14.25 ms Averaging (16 samples) on 890 μs Averaging off ROUND ROBIN UPDATE RATE5 Time to complete one measurement cycle through all channels Slow ADC @ 25°C Averaging On 79.8 ms AIN1 and AIN2 are selected on Pin 7 and Pin 8 Averaging Off 4.99 ms AIN1 and AIN2 are selected on Pin 7 and Pin 8 Averaging On 94.76 ms D+ and D– are selected on Pin 7 and Pin 8 Averaging Off 9.26 ms D+ and D– are selected on Pin 7 and Pin 8 Fast ADC @ 25°C Averaging On 6.41 ms AIN1 and AIN2 are selected on Pin 7 and Pin 8 Averaging Off 400.84 μs AIN1 and AIN2 are selected on Pin 7 and Pin 8 Averaging On 21.77 ms D+ and D– are selected on Pin 7 and Pin 8 Averaging Off 3.07 ms D+ and D– are selected on Pin 7 and Pin 8 DAC EXTERNAL REFERENCE INPUT4 VREF Input Range 1 VDD V Buffered reference VREF Input Impedance >10 MΩ Buffered reference and power-down mode Reference Feedthrough –90 dB Frequency = 10 kHz Channel-to-Channel Isolation –75 dB Frequency = 10 kHz |
Podobny numer części - ADT7517 |
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Podobny opis - ADT7517 |
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