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ADT7484AARMZ-R7 데이터시트(PDF) 3 Page - ON Semiconductor

부품명 ADT7484AARMZ-R7
상세설명  Digital Temperature Sensor with SST Interface
PDF  14 Pages
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제조업체  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

ADT7484AARMZ-R7 데이터시트(HTML) 3 Page - ON Semiconductor

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ADT7484A/ADT7486A
http://onsemi.com
3
ADT7484A PIN ASSIGNMENT
Pin No.
Mnemonic
Type
Description
1
VCC
Power supply
3.3 V ± 10%.
2
GND
Ground
Ground Pin.
3
D1+
Analog input
Positive Connection to Remote Temperature Sensor.
4
D1−
Analog input
Negative Connection to Remote Temperature Sensor.
5
ADD1
Digital input
SST Address Select.
6
RESERVED
Reserved
Connect to Ground.
7
ADD0
Digital input
SST Address Select.
8
SST
Digital input/output
SST Bidirectional Data Line.
ADT7486A PIN ASSIGNMENT
Pin No.
Mnemonic
Type
Description
1
VCC
Power supply
3.3 V ± 10%.
2
GND
Ground
Ground Pin.
3
D1+
Analog input
Positive Connection to Remote 1 Temperature Sensor.
4
D1−
Analog input
Negative Connection to Remote 1 Temperature Sensor.
5
D2+
Analog input
Positive Connection to Remote 2 Temperature Sensor.
6
D2−
Analog input
Negative Connection to Remote 2 Temperature Sensor.
7
ADD1
Analog input
SST Address Select.
8
RESERVED
Analog input
Connect to Ground.
9
ADD0
Digital input
SST Address Select.
10
SST
Digital input/output
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
3.3
3.6
V
Undervoltage Lockout Threshold
2.8
V
Average Operating Supply Current, IDD
Continuous conversions
3.8
5.0
mA
Temperature-to-Digital Converter
Local Sensor Accuracy
40°C ≤ TA ≤ 70°C, VCC = 3.3 V ±5%
+1.0
±1.75
°C
−40°C ≤ TA ≤ +100°C
±4.0
°C
Remote Sensor Accuracy
−40°C ≤ TD ≤ +125°C;
TA = 25°C; VCC = 3.3 V
±1.0
°C
−40°C ≤ TD ≤ +125°C;
−40 ≤ TA ≤ 70°C,
VCC = 3.3 V ±5%
+1.0
±1.75
°C
−40°C ≤ TD ≤ +125°C;
−40 ≤ TA ≤ +100°C
±4.0
°C
Remote Sensor Source Current
Low level
Mid level
High level
12
80
204
mA
Resolution
0.016
°C
Series Resistance Cancellation
The ADT7484A and ADT7486A cancel
1.5 kW in series with the remote
thermal diode
1.5
kW
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.



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