參數(shù)資料
型號(hào): ADT7460ARQ
廠商: ANALOG DEVICES INC
元件分類: 模擬信號(hào)調(diào)理
英文描述: dB COOL?? Remote Thermal Controller and Fan Controller
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO16
封裝: 0.025 INCH PITCH, MO-137AB, QSOP-16
文件頁(yè)數(shù): 2/48頁(yè)
文件大?。?/td> 695K
代理商: ADT7460ARQ
REV. 0
–2–
ADT7460–SPECIFICATIONS
1, 2, 3, 4
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
POWER SUPPLY
Supply Voltage
Supply Current, I
CC
3.0
5.0
5.5
3
20
V
mA
μ
A
Interface Inactive, ADC Active
Standby Mode
TEMPERATURE-TO-DIGITAL CONVERTER
Local Sensor Accuracy
±
1.5
±
3
C
C
C
C
C
C
C
μ
A
μ
A
0 C T
A
70 C
–40 C T
A
+120 C
Resolution
Remote Diode Sensor Accuracy
0.25
±
1.5
±
2.5
±
3
0 C T
A
70 C; 0 C T
D
120 C
0 C T
A
105 C; 0 C T
D
120 C
0 C T
A
120 C; 0 C T
D
120 C
Resolution
Remote Sensor Source Current
0.25
180
11
High Level
Low Level
ANALOG-TO-DIGITAL CONVERTER
(INCLUDING MUX AND ATTENUATORS)
Total Unadjusted Error, TUE
Differential Nonlinearity, DNL
Power Supply Sensitivity
Conversion Time (Voltage Input)
Conversion Time (Local Temperature)
Conversion Time (Remote Temperature)
Total Monitoring Cycle Time
Total Monitoring Cycle Time
Input Resistance
±
1.5
±
1
%
LSB
%/V
ms
ms
ms
ms
ms
k
8 Bits
±
0.1
11.38
12.09
25.59
120.17
13.51
140
13
13.5
28
134.5
15
200
Averaging Enabled
Averaging Enabled
Averaging Enabled
Averaging Enabled (incl. delay
5
)
Averaging Disabled
80
FAN RPM-TO-DIGITAL CONVERTER
Accuracy
±
7
±
11
±
13
65,535
%
%
%
0 C T
A
70 C
0 C T
A
105 C
–40 C T
A
+120 C
Full-Scale Count
Nominal Input RPM
109
329
5000
10000
90
RPM
RPM
RPM
RPM
kHz
Fan Count = 0xBFFF
Fan Count = 0x3FFF
Fan Count = 0x0438
Fan Count = 0x021C
Internal Clock Frequency
82.8
97.2
OPEN-DRAIN DIGITAL OUTPUTS,
PWM1–PWM3, XTO
Current Sink, I
OL
Output Low Voltage, V
OL
High Level Output Current, I
OH
OPEN-DRAIN SERIAL DATA
BUS OUTPUT (SDA)
Output Low Voltage, V
OL
High Level Output Current, I
OH
SMBUS DIGITAL INPUTS
(SCL, SDA)
Input High Voltage, V
IH
Input Low Voltage, V
IL
Hysteresis
8.0
0.4
1
mA
V
μ
A
I
OUT
= –8.0 mA, V
CC
= 3.3 V
V
OUT
= V
CC
0.1
0.4
1
V
μ
A
I
OUT
= –4.0 mA, V
CC
= 3.3 V
V
OUT
= V
CC
0.1
2.0
V
V
mV
0.4
500
DIGITAL INPUT LOGIC LEVELS
(TACH INPUTS)
Input High Voltage, V
IH
2.0
V
V
V
V
V p-p
5.5
+0.8
Maximum Input Voltage
Input Low Voltage, V
IL
–0.3
Minimum Input Voltage
Hysteresis
0.5
(T
A
= T
MIN
to T
MAX
, V
CC
= V
MIN
to V
MAX
, unless otherwise noted.)
相關(guān)PDF資料
PDF描述
ADT7461 【1∑C Temperature Monitor with Series Resistance Cancellation
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