ADT7484A 查看數據表（PDF） - ON Semiconductor
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ADT7484A Datasheet PDF : 14 Pages
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ADT7484A/ADT7486A
ADT7484A PIN ASSIGNMENT
Pin No.
1
2
3
4
5
6
7
8
Mnemonic
VCC
GND
D1+
D1−
ADD1
RESERVED
ADD0
SST
Type
Power supply
Ground
Analog input
Analog input
Digital input
Reserved
Digital input
Digital input/output
ADT7486A PIN ASSIGNMENT
Pin No.
Mnemonic
Type
1
VCC
Power supply
2
GND
Ground
3
D1+
Analog input
4
D1−
Analog input
5
D2+
Analog input
6
D2−
Analog input
7
ADD1
Analog input
8
RESERVED Analog input
9
ADD0
Digital input
10
SST
Digital input/output
Description
3.3 V ± 10%.
Ground Pin.
Positive Connection to Remote Temperature Sensor.
Negative Connection to Remote Temperature Sensor.
SST Address Select.
Connect to Ground.
SST Address Select.
SST Bidirectional Data Line.
Description
3.3 V ± 10%.
Ground Pin.
Positive Connection to Remote 1 Temperature Sensor.
Negative Connection to Remote 1 Temperature Sensor.
Positive Connection to Remote 2 Temperature Sensor.
Negative Connection to Remote 2 Temperature Sensor.
SST Address Select.
Connect to Ground.
SST Address Select.
SST Bidirectional Data Line.
ELECTRICAL CHARACTERISTICS (TA = TMIN to TMAX, = VCC = VMIN to VMAX, unless otherwise noted)
Parameter
Conditions
Min
Typ
Max
Unit
Power Supply
Supply Voltage, VCC
3.0
Undervoltage Lockout Threshold
Average Operating Supply Current, IDD
Temperature-to-Digital Converter
Local Sensor Accuracy
Remote Sensor Accuracy
Remote Sensor Source Current
Continuous conversions
40°C ≤ TA ≤ 70°C, VCC = 3.3 V ±5%
−40°C ≤ TA ≤ +100°C
−40°C ≤ TD ≤ +125°C;
TA = 25°C; VCC = 3.3 V
−40°C ≤ TD ≤ +125°C;
−40 ≤ TA ≤ 70°C,
VCC = 3.3 V ±5%
−40°C ≤ TD ≤ +125°C;
−40 ≤ TA ≤ +100°C
Low level
Mid level
High level
Resolution
Series Resistance Cancellation
The ADT7484A and ADT7486A cancel
1.5 kW in series with the remote
thermal diode
1. Guaranteed by design, not production tested.
2. Minimum and maximum bit times are relative to tBIT defined in the timing negotiation pulse.
3. Devices compatible with hold time specification as driven by SST originator.
3.3
2.8
3.8
+1.0
+1.0
12
80
204
0.016
1.5
3.6
V
V
5.0
mA
±1.75
°C
±4.0
°C
±1.0
°C
±1.75
°C
±4.0
°C
mA
°C
kW
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