ADT7310(2009) データシートの表示（PDF） - Analog Devices
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ADT7310 Datasheet PDF : 24 Pages
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ADT7310
SPECIFICATIONS
TA = −55°C to +150°C; VDD = 2.7 V to 5.5 V; unless otherwise noted.
Table 1.
Parameter
Min
Typ
TEMPERATURE SENSOR AND ADC
Accuracy1
ADC Resolution
13
16
Temperature Resolution
13 Bit
16 Bit
Temperature Conversion Time
Fast Temperature Conversion
Time
1 SPS Conversion Time
Temperature Hysteresis
Repeatability
DC PSRR
DIGITAL OUTPUTS (OPEN DRAIN)
High Output Leakage Current, IOH
Output High Current
Output Low Voltage, VOL
Output High Voltage, VOH
Output Capacitance, COUT
DIGITAL INPUTS
Input Current
Input Low Voltage, VIL
Input High Voltage, VIH
Pin Capacitance
DIGITAL OUTPUT (DOUT)
Output High Voltage, VOH
Output Low Voltage, VOL
Output Capacitance, COUT
POWER REQUIREMENTS
Supply Voltage
Supply Current
At 3.3 V
At 5.5 V
1 SPS Current
At 3.3V
At 5.5V
Shutdown Current
At 3.3 V
At 5.5 V
Power Dissipation Normal Mode
Power Dissipation 1 SPS
0.7 × VDD
0.7 × VDD
VOH − 0.3
2.7
0.0625
0.0078
240
6
60
0.02
0.01
0.1
0.1
3
5
210
230
46
65
2.0
4.4
700
150
Max Unit Test Conditions/Comments
±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
Bits Twos complement temperature value of sign bit plus 12 ADC bits
(power-up default resolution)
Bits Twos complement temperature value of sign bit plus 15 ADC bits
(Bit 7 = 1 in the configuration register)
°C 13-bit resolution (sign + 12-bit)
°C 16-bit resolution (sign + 15-bit)
ms Continuous conversion and one-shot conversion mode
ms First conversion on power-up only
ms Conversion time for 1 SPS mode
°C Temperature cycle = 25°C to 125°C, and back to 25°C
°C TA = 25°C
°C/V TA = 25°C
5
μA CT and INT pins pulled up to 5.5 V
1
mA VOH = 5 .5V
0.4 V
IOL = 2 mA @ 5.5 V, IOL = 1 mA @ 3.3 V
V
pF
±1
μA VIN = 0 V to VDD
0.4 V
V
10 pF
V
ISOURCE = ISINK = 200 μA
0.4 V
IOL = 200 μA
50 pF
5.5 V
250 μA Peak current while converting, SPI interface inactive
300 μA Peak current while converting, SPI interface inactive
μA VDD = 3.3 V, 1 SPS mode, TA = 25°C
μA VDD = 5.5 V, 1 SPS mode, TA = 25°C
15 μA Supply current in shutdown mode
25 μA Supply current in shutdown mode
μW VDD = 3.3 V, normal mode at 25°C
μW Power dissipated for VDD = 3.3 V, TA = 25°C
1 Accuracy includes lifetime drift.
Rev. 0 | Page 3 of 24
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