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ADT7310 数据表(PDF) 4 Page - Analog Devices |
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ADT7310 数据表(HTML) 4 Page - Analog Devices |
4 / 25 page Data Sheet ADT7310 Rev. A | Page 3 of 24 SPECIFICATIONS TA = −55°C to +150°C; VDD = 2.7 V to 5.5 V; unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments TEMPERATURE SENSOR AND ADC Accuracy1 −0.05 ±0.42 °C TA = −40°C to +105°C, VDD = 3.0 V ±0.44 °C TA = −40°C to +105°C, VDD = 2.7 V to 3.3 V ±0.5 °C TA = −55°C to +125°C, VDD = 3.0 V ±0.5 °C TA = −40°C to +105°C, VDD = 2.7 V to 3.6 V ±0.7 °C TA = −55°C to +150°C, VDD = 2.7 V to 3.6 V ±0.8 °C TA = −40°C to +105°C, VDD = 4.5 V to 5.5 V ±1.0 °C TA = −55°C to +150°C, VDD = 2.7 V to 5.5 V ADC Resolution 13 Bits Twos complement temperature value of sign bit plus 12 ADC bits (power-up default resolution) 16 Bits Twos complement temperature value of sign bit plus 15 ADC bits (Bit 7 = 1 in the configuration register) Temperature Resolution 13-Bit 0.0625 °C 13-bit resolution (sign + 12-bit) 16-Bit 0.0078 °C 16-bit resolution (sign + 15-bit) Temperature Conversion Time 240 ms Continuous conversion and one-shot conversion mode Fast Temperature Conversion Time 6 ms First conversion on power-up only 1 SPS Conversion Time 60 ms Conversion time for 1 SPS mode Temperature Hysteresis ±0.002 °C Temperature cycle = 25°C to 125°C, and back to 25°C Repeatability3 ±0.015 °C TA = 25°C DC PSRR 0.1 °C/V TA = 25°C DIGITAL OUTPUTS (OPEN DRAIN) High Output Leakage Current, IOH 0.1 5 µA CT and INT pins pulled up to 5.5 V Output High Current 1 mA VOH = 5 .5V Output Low Voltage, VOL 0.4 V IOL = 2 mA @ 5.5 V, IOL = 1 mA @ 3.3 V Output High Voltage, VOH 0.7 × VDD V Output Capacitance, COUT 3 pF DIGITAL INPUTS Input Current ±1 µA VIN = 0 V to VDD Input Low Voltage, VIL 0.4 V Input High Voltage, VIH 0.7 × VDD V Pin Capacitance 5 10 pF DIGITAL OUTPUT (DOUT) Output High Voltage, VOH VOH − 0.3 V ISOURCE = ISINK = 200 µA Output Low Voltage, VOL 0.4 V IOL = 200 µA Output Capacitance, COUT 50 pF POWER REQUIREMENTS Supply Voltage 2.7 5.5 V Supply Current At 3.3 V 210 250 µA Peak current while converting, SPI interface inactive At 5.5 V 250 300 µA Peak current while converting, SPI interface inactive 1 SPS Current At 3.3V 46 µA VDD = 3.3 V, 1 SPS mode, TA = 25°C At 5.5V 65 µA VDD = 5.5 V, 1 SPS mode, TA = 25°C Shutdown Current At 3.3 V 2.0 15 µA Supply current in shutdown mode At 5.5 V 5.2 25 µA Supply current in shutdown mode Power Dissipation Normal Mode 700 µW VDD = 3.3 V, normal mode at 25°C Power Dissipation 1 SPS 150 µW Power dissipated for VDD = 3.3 V, TA = 25°C 1 Accuracy includes lifetime drift. 2 The equivalent 3 σ limits are ±0.33°C. This 3 σ specification is provided to enable comparison with other vendors who use these limits. 3 Based on a floating average of 10 readings. |
类似零件编号 - ADT7310_17 |
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类似说明 - ADT7310_17 |
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