ADT7460 Analog Devices, Inc., ADT7460 Datasheet - Page 3

• Manufacturer Part Number: ADT7460
• Description: Dbcool? Remote Thermal Controller And Fan Controller
• Manufacturer: Analog Devices, Inc.

SPECIFICATIONS
T
Table 1.
Parameter
POWER SUPPLY
TEMPERATURE-TO-DIGITAL CONVERTER
ANALOG-TO-DIGITAL CONVERTER
(INCLUDING MUX AND ATTENUATORS)
FAN RPM-TO-DIGITAL CONVERTER
OPEN-DRAIN DIGITAL OUTPUTS, PWM1–PWM3, XTO
OPEN-DRAIN SERIAL DATA BUS OUTPUT (SDA)
Output Low Voltage, V
High Level Output Current, I
SMBUS DIGITAL INPUTS (SCL, SDA)
A
Supply Voltage
Supply Current, I
Local Sensor Accuracy
Resolution
Remote Diode Sensor Accuracy
Resolution
Remote Sensor Source Current
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
Input Resistance
Accuracy
Full-Scale Count
Nominal Input RPM
Internal Clock Frequency
Current Sink, I
Output Low Voltage, V
High Level Output Current, I
Input High Voltage, V
Input Low Voltage, V
Hysteresis
= T
MIN
to T
1, , 2 3
MAX
OL
, V
CC
CC
OL
= V
IL
IH
OL
MIN
OH
to V
OH
MAX
, unless otherwise noted.
Rev. C | Page 3 of 52
Min
3.0
80
82.8
2.0
Typ
5.0
0.25
0.25
180
11
±0.1
11.38
12.09
25.59
120.17
13.51
140
109
329
5000
10000
90.0
0.1
0.1
500
4
Max
5.5
3
20
±1.5
±3
±1.5
±2.5
±3
±1.5
±1
13
13.50
28
134.50
15
200
±7
±11
±13
65,535
97.2
8.0
0.4
1
0.4
1
0.4
Unit
V
mA
µA
°C
°C
°C
°C
°C
°C
°C
µA
µA
%
LSB
%/V
ms
ms
ms
ms
ms
kΩ
%
%
%
RPM
RPM
RPM
RPM
kHz
mA
V
µA
V
µA
V
V
mV
Fan count = 0x3FFF
Fan count = 0x021C
Test Conditions/Comments
Interface inactive, ADC active
Standby mode
0°C ≤ T
−40°C ≤ T
0°C ≤ T
0°C ≤ T
0°C ≤ T
High level
Low level
8 bits
Averaging enabled
Averaging enabled
Averaging enabled
Averaging enabled (incl. delay
Averaging disabled
0°C ≤ T
0°C ≤ T
−40°C ≤ T
Fan count = 0xBFFF
Fan count = 0x0438
I
V
I
V
OUT
OUT
OUT
OUT
= −8.0 mA, V
= −4.0 mA, V
= V
= V
A
A
A
A
A
A
CC
CC
≤ 70°C
≤ 70°C; 0°C ≤ T
≤ 105°C; 0°C ≤ T
≤ 120°C; 0°C ≤ T
≤ 70°C
≤ 105°C
A
A
≤ +120°C
≤ +120°C
CC
CC
= 3.3 V
= 3.3 V
D
D
D
≤ 120°C
ADT7460
≤ 120°C
≤ 120°C
5
)