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參數(shù)資料
| 型號(hào)： | ADT7519ARQ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類(lèi)： | 溫度/濕度傳感器 |
| 英文描述： | SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC |
| 中文描述： | DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 1Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | MO-137AB, QSOP-16 |
| 文件頁(yè)數(shù)： | 4/44頁(yè) |
| 文件大?。?/td> | 1350K |
| 代理商： | ADT7519ARQ |
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ADT7516/ADT7517/ADT7519
Parameter
1
THERMAL CHARACTERISTICS
EXTERNAL TEMPERATURE SENSOR
Accuracy @ V
DD
= 3.3 V ±10%
Accuracy @ V
DD
= 5 V ±5%
Resolution
Output Source Current
Thermal Voltage Output
8-Bit DAC Output
Resolution
Scale Factor
10-Bit DAC Output
Resolution
Scale Factor
CONVERSION TIMES
Slow ADC
V
DD
/AIN
Internal Temperature
External Temperature
Fast ADC
V
DD
/AIN
Internal Temperature
External Temperature
ROUND ROBIN UPDATE RATE
5
Slow ADC @ 25°C
Averaging On
Averaging Off
Averaging On
Averaging Off
Fast ADC @ 25°C
Averaging On
Averaging Off
Averaging On
Averaging Off
DAC EXTERNAL REFERENCE INPUT
4
V
REF
Input Range
V
REF
Input Impedance
Reference Feedthrough
Channel-to-Channel Isolation
Rev. A | Page 4 of 44
Min
Typ
Max
Unit
Conditions/Comments
External transistor = 2N3906.
1
0.25
±2
±3
180
11
8.97
17.58
2.2
4.39
11.4
712
11.4
712
24.22
1.51
712
44.5
2.14
134
14.25
890
±1.5
±3
±5
±3
±5
10
°C
°C
°C
°C
°C
Bits
μA
μA
°C
mV/°C
mV/°C
°C
mV/°C
mV/°C
ms
μs
ms
μs
ms
ms
μs
μs
ms
μs
ms
μs
T
A
= 85°C.
T
A
= 0°C +85°C.
T
A
= –40°C to +120°C.
T
A
= 0°C +85°C.
T
A
= –40°C to +120°C.
Equivalent to 0.25°C.
High Level.
Low Level.
0 V to V
REF
output. T
A
= –40°C to +120°C.
0 V to 2 V
REF
output. T
A
= –40°C to +120°C.
0 V to V
REF
output. T
A
= –40°C to +120°C.
0 V to 2 V
REF
output. T
A
= –40°C to +120°C.
Single channel mode.
Averaging (16 samples) on.
Averaging off.
Averaging (16 samples) on.
Averaging off.
Averaging (16 samples) on.
Averaging off.
Averaging (16 samples) on.
Averaging off.
Averaging (16 samples) on.
Averaging off.
Averaging (16 samples) on.
Averaging off.
Time to complete one measurement cycle
through all channels.
AIN1 and AIN2 are selected on Pins 7 and 8.
AIN1 and AIN2 are selected on Pins 7 and 8.
D+ and D– are selected on Pins 7 and 8.
D+ and D-– are selected on Pins 7 and 8.
AIN1 and AIN2 are selected on Pins 7 and 8.
AIN1 and AIN2 are selected on Pins 7 and 8.
D+ and D– are selected on Pins 7 and 8.
D+ and D– are selected on Pins 7 and 8.
Buffered reference.
Buffered reference and power-down mode.
Frequency = 10 kHz.
Frequency = 10 kHz.
1
79.8
4.99
94.76
9.26
6.41
400.84
21.77
3.07
>10
–90
–75
V
DD
ms
ms
ms
ms
ms
μs
ms
ms
V
M
dB
dB
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