ADT75(RevB) Просмотр технического описания (PDF) - Analog Devices
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ADT75 Datasheet PDF : 24 Pages
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ADT75
Data Sheet
SPECIFICATIONS
A GRADE
TA = TMIN to TMAX, VDD = 2.7 V to 5.5 V. All specifications for −55°C to +125°C, unless otherwise noted.
Table 1.
Parameter
TEMPERATURE SENSOR AND ADC
Accuracy at VDD = 2.7 V to 5.5 V
Accuracy at VDD = 2.7 V to 3.6 V
Accuracy at VDD = 4.5 V to 5.5 V
ADC Resolution
Temperature Resolution
Temperature Conversion Time
Update Rate
Long Term Drift
Temperature Hysteresis
OS/ALERT OUTPUT (OPEN DRAIN)
Output Low Voltage, VOL
Pin Capacitance
High Output Leakage Current, IOH
RON Resistance (Low Output)
DIGITAL INPUTS
Input Current
Input Low Voltage, VIL
Input High Voltage, VIH
SCL, SDA Glitch Rejection
Pin Capacitance
DIGITAL OUTPUT (OPEN DRAIN)
Output High Current, IOH
Output Low Voltage, VOL
Output High Voltage, VOH
Output Capacitance, COUT
POWER REQUIREMENTS
Supply Voltage
Supply Current at 3.3 V
Supply Current at 5.0 V
Average Current at 3.3 V
Average Current at 5.0 V
Shutdown Mode at 3.3 V
Shutdown Mode at 5.0 V
Average Power Dissipation
1 SPS
Min
Typ
Max
Unit Test Conditions/Comments
±2
±3
±3
±2
12
0.0625
60
100
0.08
0.03
°C TA = −25°C to +100°C
°C TA = −55°C to +100°C
°C TA = 100°C to 125°C
°C TA = 100°C to 125°C
Bits
°C
ms
ms Conversion started every 100 ms
°C Drift over 10 years, if part is operated at 55°C
°C Temperature cycle = 25°C to 125°C to 25°C
0.4
10
0.1
5
15
V
IOL = 3 mA
pF
µA OS/ALERT pin pulled up to 5.5 V
Ω
Supply and temperature dependent
0.7 × VDD
3
±1
µA
0.3 × VDD V
V
50
ns
10
pF
VIN = 0 V to VDD
Input filtering suppresses noise spikes of less than 50 ns
0.7 × VDD
3
1
mA VOH = 5 V
0.4
V
IOL = 3 mA
V
10
pF
2.7
5.5
V
350
500
µA Peak current while converting and I2C interface inactive
380
525
µA Peak current while converting and I2C interface inactive
200
µA Part converting and I2C interface inactive
225
µA Part converting and I2C interface inactive
3
8
µA Supply current in shutdown mode
5.5
12
µA Supply current in shutdown mode
798.6
78.6
µW VDD = 3.3 V, normal mode at 25°C
µW Average power dissipated for VDD = 3.3 V,
shutdown mode at 25°C
140
µW Average power dissipated for VDD = 5.0 V,
shutdown mode at 25°C
Rev. B | Page 4 of 24
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