参数资料
型号: ADT7408CCPZ2-REEL7
厂商: ANALOG DEVICES INC
元件分类: 温度/湿度传感器
英文描述: DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 4Cel, SQUARE, SURFACE MOUNT
封装: 3 X 3 MM, MO-229VEED-4, LFCSP-8
文件页数: 12/22页
文件大小: 570K
代理商: ADT7408CCPZ2-REEL7
ADT7408
Preliminary Technical Data
Rev. PrC | Page 2 of 22
Specifications
All specifications TA = 20°C to +125°C, VDD = 3.0 V to 3.6 V, unless otherwise noted.
Table 1.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
TEMPERATURE SENSOR AND ADC
Local Sensor Accuracy (C grade)
±1.0
±2.0
°C
75°C
≤ T
A
≤ 95°C, 3.0V ≤ V
DD
≤ 3.6V Active Range
±2.0
±3.0
°C
40°C
≤ T
A
≤ 125°C, 3.0V ≤ V
DD
≤ 3.6V Monitor Range
±3.0
±4.0
°C
-20°C
≤ T
A
≤ 125°C, 3.0V ≤ V
DD
≤ 3.6V
ADC Resolution
12
Bits
Temperature Resolution
0.0625
°C
Temperature Conversion Time
15
30
ms
Update Rate
100
125
ms
Long Term Drift
0.081
°C
Drift over 10 years, if part is operated at 55°C
Event# OUTPUT (OPEN DRAIN)
Output Low Voltage, VOL
0.4
V
IOL = 3 mA
Sink Current, ISINK
6
mA
Pin Capacitance
10
pF
High Output Leakage Current
IOH
0.1
1
A
Event# = 3.6 V
Rise Time1
tLH
30
ns
Fall Time1
tHL
30
ns
RON Resistance (Low Output)
55
Supply and temperature dependent
DIGITAL INPUTS
Input Current,
IIH, IIL
-1
+1
A
VIN = 0 V to VDD
Input Low Voltage
VIL
0.8
V
3.0 V
≤ V
DD
≤ 3.6 V
Input High Voltage
VIH
2.1
V
3.0 V
≤ V
DD
≤ 3.6 V
SCL, SDA Glitch Rejection
50
ns
Input filtering suppresses noise spikes of less than
50 ns
Pin Capacitance
3
10
pF
DIGITAL OUTPUT (OPEN DRAIN)
Output Low Current,
IOL
6
mA
SDA Forced to 0.6 V
Output Low Voltage
VOL
0.4
V
3.0 V
≤ V
DD
≤ 3.6 V at I
OPULL_UP
= 350
A
Output High Voltage
VOH
2.1
V
Output Capacitance
COUT
3
10
pF
Hysteresis
500
mV
POWER REQUIREMENTS
Supply Voltage
VDD
3.0
3.3
3.6
V
Average Supply Current
IDD
240
500
A
Supply Current
IDD_CONV
370
550
A
Device current while converting
Quiescent Current
IDD_Q
35
40
A
Device current between conversions
Shutdown Mode at 3.3 V
3
10
A
Average Power Dissipation
PD
790
W
VDD = 3.3 V, normal mode at 25°C
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