ADT7485AARMZ-R7 View Datasheet(PDF) - ON Semiconductor
Part Name
Description
Manufacturer
ADT7485AARMZ-R7 Datasheet PDF : 12 Pages
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ADT7485A
ELECTRICAL CHARACTERISTICS TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted.
Parameter
Power Supply
Test Conditions/Comments
Min
Typ
Supply Voltage, VCC
Undervoltage Lockout Threshold
3.0
3.3
2.8
Average Operating Supply Current, IDD Continuous conversions
3.8
Temperature−to−Digital Converter
Local Sensor Accuracy
Remote Sensor Accuracy
Remote Sensor Source Current
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
+1.0
+1.0
12
80
204
Resolution
0.016
Series Resistance Cancellation
The ADT7485A cancels 1.5 kW in series with
1.5
the remote thermal diode
Digital Input (ADD)
Input High Voltage, VIH
Input Low Voltage, VIL
Input High Current, IIH
Input Low Current, IIL
Pin Capacitance
VIN = VCC
VIN = 0
2.3
−1.0
5.0
Analog−to−Digital Converter (Including Multiplexer and Attenuators)
Total Unadjusted Error (TUE)
12 V and 5.0 V channels
For all other channels
Differential Non−linearity (DNL)
10 bits
Power Supply Sensitivity
±0.1
Conversion Time (Voltage Input)
(Note 1)
Averaging enabled
Conversion Time
(Local Temperature) (Note 1)
Averaging enabled
Conversion Time
(Remote Temperature) (Note 1)
Averaging enabled
Total Monitoring Cycle Time (Note 1)
Averaging enabled
145
Input Resistances
VCCP and 2.5V Channels
5.0 V Channel
12 V Channel
80
110
95
120
180
230
Digital I/O (SST Pin)
Input High Voltage , VIH
Input Low Voltage, VIL
Hysteresis (Note 1)
Between input switching levels
1.1
150
Output High Voltage, VOH
ISOURCE = 6 mA (maximum)
1.1
1. Guaranteed by design, not production tested.
2. Minimum and maximum bit times are relative to tBIT defined in the timing negotiation pulse.
3. Device is compatible with hold time specification as driven by SST originator.
Max Unit
3.6
V
V
5.0
mA
±1.75
°C
±4.0
±1.0
°C
±1.75
±4.0
mA
°C
kW
V
0.8
V
mA
1.0
mA
pF
±2.0
%
±1.5
±1.0
LSB
%/V
11
ms
12
ms
38
ms
ms
140
kW
150
280
V
0.4
V
mV
1.9
V
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