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參數(shù)資料
| 型號： | ADT7485ARMZ |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 16BIT(s), 1Cel, SQUARE, SURFACE MOUNT |
| 封裝： | LEAD FREE, PLASTIC, MO-187-BA, MSOP-10 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大小： | 235K |
| 代理商： | ADT7485ARMZ |
Preliminary Technical Data
ADT7485
Rev. PrA | Page 3 of 16
SPECIFICATIONS
TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
POWER SUPPLY
Supply Voltage, VCC
3.0
3.3
3.6
V
Undervoltage Lockout Threshold
2.8
V
Average Operating Supply Current, IDD
1.4
mA
Continuous conversions
TEMPERATURE-TO-DIGITAL CONVERTER
Local Sensor Accuracy
±1
°C
40
≤ T
A
≤ 70°C
±3
°C
40
≤ T
A
≤ +125°C
Remote Sensor Accuracy
±1
°C
40
≤ T
D
≤ +125°C; 40 ≤ T
A
≤ 70°C
±3
°C
40
≤ T
D
≤ +125°C; 40 ≤ T
A
≤ +125°C
Remote Sensor Source Current
6
μA
Low level
36
μA
Mid level
96
μA
High level
Resolution
0.016
°C
DIGITAL INPUT (ADD)
Input High Voltage, VIH
2.1
V
Input Low Voltage, VIL
0.8
V
Input High Current, IIH
1
μA
VIN = VCC
Input Low Current, IIL
1
μA
VIN = 0
Pin Capacitance
5
pF
ANALOG-TO-DIGITAL CONVERTER
(Including Multiplexer and Attenuators)
Total Unadjusted Error (TUE)
±2
%
12V and 5V channels
±1.5
%
For all other channels
Differential Nonlinearity (DNL)
±1
LSB
10 bits
Power Supply Sensitivity
±0.1
%/V
Conversion Time (Voltage Input)
11
ms
Averaging enabled
Conversion Time (Local Temperature)
12
ms
Averaging enabled
Conversion Time (Remote Temperature)
38
ms
Averaging enabled
Total Monitoring Cycle Time
145
ms
Averaging enabled
Input Resistance
40
70
100
kΩ
For VCC channel
80
140
200
kΩ
For all other channels
DIGITAL I/O (SST Pin)
Input High Voltage , VIH
1.1
V
Input Low Voltage, VIL
0.4
V
Output High Voltage, VOH
1.1
1.9
V
ISOURCE = 6 mA (maximum)
High Impedance State Leakage, ILEAK
±1
μA
Device powered on SST bus;
VSST = 1.1 V, VCC = 3.3 V
High Impedance State Leakage, ILEAK
±10
μA
Device unpowered on SST bus;
VSST = 1.1 V, VCC = 0 V
Signal Noise Immunity, VNOISE
300
mV p-p
Noise glitches from 10 MHz to 100 MHz;
width up to 50 ns
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