Specifications - Analog Devices ADT7460 Manual

SPECIFICATIONS

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