Specifications; Rpm; High Level Output Current, I - Analog Devices dBCool ADT7475 Manual

SPECIFICATIONS

T = T to T , V = V
A MIN MAX CC MIN
All voltages are measured with respect to GND, unless otherwise specified. Typicals are at T
norm. Logic inputs accept input high voltages up to V
logic levels of V = 0.8 V for a falling edge, and V
IL
are not production tested.
Table 1.
Parameter
POWER SUPPLY
Supply Voltage
Supply Current, I
CC
TEMP-TO-DIGITAL CONVERTER
Local Sensor Accuracy
Resolution
Remote Diode Sensor Accuracy
Resolution
Remote Sensor Source Current
ANALOG-TO-DIGITAL CONVERTER
(INCLUDING MUX AND ATTENTUATORS)
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
OPEN-DRAIN DIGITAL OUTPUTS (PWM1 TO
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

SMBus DIGITAL INPUTS (SCL, SDA)
Input High Voltage, V
IH
Input Low Voltage, V
IL
Hysteresis
to V , unless otherwise noted.
MAX
even when device is operating down to V
MAX
= 2.0 V for a rising edge. SMBus timing specifications are guaranteed by design and
IH
Min
3.0
90
OH
OH
2.0
Typ Max Unit
3.3 3.6 V
1.5 3 mA
±0.5 1.5 °C
±2.5 °C
0.25 °C
±0.5 1.5 °C
±2.5 °C
0.25 °C
180 μA
11 μΑ
±1.5 %
±1 LSB
±0.1 %/V
11 ms
12 ms
38 ms
145 ms
19 ms
120 kΩ
±6 %
±10 %
65,535
109

RPM

329 RPM
5,000 RPM
10,000 RPM
8.0 mA
0.4 V
0.1 20 μA
0.4 V
0.1 1.0 μA
V
0.4 V
500 mV
Rev. 0 | Page 3 of 64
= 25°C and represent most likely parametric
A
. Timing specifications are tested at
MIN
Test Conditions/Comments
Interface inactive, ADC active
0°C ≤ T ≤ 85°C
A
−40°C ≤ T ≤ +125°C
A
0°C ≤ T ≤ 85°C
A
−40°C ≤ T ≤ +125°C
A
High Level
Low Level
8 bits
Averaging enabled
Averaging enabled
Averaging enabled
Averaging enabled
Averaging disabled
For V channel
CCP
0°C ≤ T ≤ 70°C
A
−40°C ≤ T ≤ +120°C
A
Fan count = 0xBFFF
Fan count = 0x3FFF
Fan count = 0x0438
Fan count = 0x021C
I = −8.0 mA
OUT
V = V
OUT CC
I = −4.0 mA
OUT
V = V
OUT CC
ADT7475