ADT7519 데이터 시트보기 (PDF) - Analog Devices
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ADT7519 Datasheet PDF : 44 Pages
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ADT7516/ADT7517/ADT7519
Parameter1
External Temperature Sensor
Accuracy @ VDD = 3.3 V ±10%
Accuracy @ VDD = 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
VDD/AIN
Internal Temperature
External Temperature
Fast ADC
VDD/AIN
Internal Temperature
External Temperature
ROUND ROBIN UPDATE RATE5
Min Typ Max
±1.5
±3
±5
±2
±3
±3
±5
10
180
11
1
8.97
17.58
0.25
2.2
4.39
11.4
712
11.4
712
24.22
1.51
712
44.5
2.14
134
14.25
890
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 INPUT4
VREF Input Range
1
VREF Input Impedance
Reference Feedthrough
Channel-to-Channel Isolation
79.8
4.99
94.76
9.26
6.41
400.84
21.77
3.07
VDD
>10
–90
–75
Unit
°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
ms
ms
ms
ms
ms
μs
ms
ms
V
MΩ
dB
dB
Conditions/Comments
External transistor = 2N3906
TA = 85°C
TA = 0°C to +85°C
TA = −40°C to +120°C
TA = 0°C to +85°C
TA = −40°C to +120°C
Equivalent to 0.25°C
High level
Low level
0 V to VREF output, TA = −40°C to +120°C
0 V to 2 VREF output, TA = −40°C to +120°C
0 V to VREF output, TA = −40°C to +120°C
0 V to 2 VREF output, TA = −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 Pin 7 and Pin 8
AIN1 and AIN2 are selected on Pin 7 and Pin 8
D+ and D– are selected on Pin 7 and Pin 8
D+ and D– are selected on Pin 7 and Pin 8
AIN1 and AIN2 are selected on Pin 7 and Pin 8
AIN1 and AIN2 are selected on Pin 7 and Pin 8
D+ and D– are selected on Pin 7 and Pin 8
D+ and D– are selected on Pin 7 and Pin 8
Buffered reference
Buffered reference and power-down mode
Frequency = 10 kHz
Frequency = 10 kHz
Rev. B | Page 4 of 44
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