參數(shù)資料
型號(hào): ADT7466ARQZ-REEL7
廠商: ANALOG DEVICES INC
元件分類: 模擬信號(hào)調(diào)理
英文描述: dBCool Remote Thermal Controller and Voltage Monitor
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO16
封裝: LEAD FREE, MO-137AB, QSOP-16
文件頁(yè)數(shù): 3/48頁(yè)
文件大小: 1269K
代理商: ADT7466ARQZ-REEL7
ADT7466
SPECIFICATIONS
T
A
= T
MIN
to T
MAX
, V
CC
= V
MIN
to V
MAX
, unless otherwise noted.
1
Table 1.
Parameter
POWER SUPPLY
Supply Voltage
Supply Current, I
CC
TEMPERATURE-TO-DIGITAL
CONVERTER
Local Sensor Accuracy
Resolution
Remote Diode Sensor Accuracy
Resolution
Remote Sensor Source Current
Series Resistance Cancellation
Rev. 0 | Page 3 of 48
Min
3.0
Typ
3.3
1.4
30
Max
5.5
3
70
Unit
V
mA
μA
Test Conditions/Comments
Interface inactive, ADC active
Standby mode, digital inputs low
0
0.25
0.25
192
72
12
±1
±3
±1
±3
±5
2
°C
°C
°C
°C
°C
°C
°C
μA
μA
μA
k
20°C ≤ T
A
≤ 60°C; V
CC
= 3.3 V
40°C ≤ T
A
≤ +125°C; V
CC
= 3.3 V
20°C ≤ T
A
≤ 60°C; 40°C ≤ T
D
≤ +125°C; V
CC
= 3.3 V
40°C ≤T
A
≤ +105°C; 40°C ≤ T
D
≤ +125°C; V
CC
= 3.3 V
40°C ≤ T
A
≤ +125°C; 40°C ≤ T
D
≤ +125°C
High level
Mid level
Low level
Maximum resistance in series with thermal diode that can be
cancelled out
Range over which specified accuracy is achieved. Wider range
can be used with less accuracy.
Using specified thermistor and application circuit over specified
temperature range
V
REF
= 2.25V
Averaging enabled
Averaging enabled
THERMISTOR-TO-DIGITAL CONVERTER
Temperature Range
30
100
°C
Resolution
Accuracy
0.25
±2
°C
°C
ANALOG-TO-DIGITAL CONVERTER
Input Voltage Range
Total Unadjusted Error (TUE)
Differential Nonlinearity (DNL)
Power Supply Sensitivity
Conversion Time (A
IN
Input)
Conversion Time (Local
Temperature)
Conversion Time (Remote
Temperature)
Conversion Time (V
CC
)
Total Monitoring Cycle Time
0
±1
±1
8.30
8.63
V
REF
±2.5
±1
8.65
8.99
V
%
LSB
%/V
ms
ms
35.22
36.69
ms
Averaging enabled
7.93
68.38
8.26
71.24
ms
ms
Averaging enabled
Averaging enabled, Pin 11 and Pin 12 configured for AIN/TH
monitoring (see Table 15)
Averaging enabled, Pin 11 and Pin 12 configured for REM2
monitoring (see Table 15)
Fan count = 0xBFFF
Fan count = 0x3FFF
Fan count = 0x0438
Fan count = 0x021C
Total Monitoring Cycle Time
87
90.63
ms
FAN RPM-TO-DIGITAL CONVERTER
Accuracy
Full-Scale Count
Nominal Input RPM
Internal Clock Frequency
78.64
109
329
5000
10000
81.92
±4
65,535
85.12
%
RPM
RPM
RPM
RPM
kHz
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