Specifications - Analog Devices dBCool ADT7467 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
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 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
FAN RPM-TO-DIGITAL CONVERTER
Accuracy
Full-Scale Count
Nominal Input RPM
Internal Clock Frequency
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 are
IH
Min
3.0
−3.5
−4
−3.5
−4.5
40
80
85.5
83.7
81
Typ Max Unit
3.3 5.5 V
3 mA
20 µA
±1.5 °C
+2 °C
+2 °C
0.25 °C
±0.5 ±1.5 °C
+2 °C
+2 °C
0.25 °C
6 µA
36 µΑ
96 µΑ
±1.5 %
±1 LSB
±0.1 %/V
11 ms
12 ms
38 ms
145 ms
19 ms
80 100 kΩ
140 200 kΩ
±5 %
±7 %
±10 %
65,535
109 RPM
329 RPM
5000 RPM
10000 RPM
90 94.5 kHz
90 96.3 kHz
90 99 kHz
Rev. 0| Page 3 of 80
= 25°C and represent most likely parametric
A
. Timing specifications are tested at
MIN
Test Conditions/Comments
Interface inactive, ADC active
Standby mode
0°C ≤ T ≤ 70°C
A
−40°C ≤ T ≤ +100°C
A
−40°C ≤ T ≤ +120°C
A
0°C ≤ T ≤ 70°C; 0°C ≤ T
A D
0°C ≤ T ≤ 105°C; 0°C ≤ T
A
−40°C ≤ T ≤ +120°C; 0°C ≤ T
A
First current
Second current
Third current
8 bits
Averaging enabled
Averaging enabled
Averaging enabled
Averaging enabled
Averaging disabled
For V channel
CC
For all other channels
0°C ≤ T ≤ 70°C, 3.3 V
A
−40°C ≤ T ≤ +120°C, 3.3 V
A
−40°C ≤ T ≤ +120°C, 5.5 V
A
Fan count = 0xBFFF
Fan count = 0x3FFF
Fan count = 0x0438
Fan count = 0x021C
0°C ≤ T ≤ 70°C, V = 3.3V
A cc
−40°C ≤ T ≤ +120°C, V
A CC
−40°C ≤ T ≤ +120°C, V
A CC
ADT7467
≤ 120°C
≤ 120°C
D
≤ +120°C
D
= 3.3 V
= 5.5 V