ADT7460ARQZ ON Semiconductor, ADT7460ARQZ Datasheet - Page 4

• Manufacturer Part Number: ADT7460ARQZ
• Description: IC REMOTE THRML/FAN CTRLR 16QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7460ARQZ

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 120°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: Serial (3-Wire)
• Maximum Operating Temperature: + 120 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
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)
SMBUS DIGITAL INPUTS (SCL, SDA)
DIGITAL INPUT LOGIC LEVELS (TACH INPUTS)
Supply Voltage
Supply Current, I
Local Sensor Accuracy
Resolution
Remote Diode Sensor Accuracy
Resolution
Remote Sensor Source Current
Total Unadjusted Error, TUE
Differential Non−linearity, 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
Output Low Voltage, V
High Level Output Current, I
Input High Voltage, V
Input Low Voltage, V
Hysteresis
Input High Voltage, V
Input Low Voltage, V
Hysteresis
Parameter (Note 1)
OL
CC
IL
IL
IH
IH
OL
OL
OH
OH
T
A
= T
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) (Note 3)
Averaging disabled
0°C ≤ T
0°C ≤ T
−40°C ≤ T
Fan count = 0xBFFF
Fan count = 0x3FFF
Fan count = 0x0438
Fan count = 0x021C
I
V
I
V
Maximum input voltage
Minimum input voltage
OUT
OUT
OUT
OUT
MIN
= −8.0 mA, V
= −4.0 mA, V
to T
= V
= V
Test Conditions/Comments
A
A
A
A
A
A
≤ 70°C
≤ 70°C; 0°C ≤ T
≤ 105°C; 0°C ≤ T
≤ 120°C; 0°C ≤ T
≤ 70°C
≤ 105°C
CC
CC
MAX
A
A
http://onsemi.com
≤ +120°C
≤ +120°C
, V
ADT7460
CC
CC
CC
= V
4
= 3.3 V
= 3.3 V
MIN
D
D
D
to V
≤ 120°C
≤ 120°C
≤ 120°C
MAX
, unless otherwise noted.
82.8
−0.3
Min
3.0
2.0
2.0
80
Typ (Note 2)
120.17
10000
11.38
12.09
25.59
13.51
5000
0.25
0.25
±0.1
90.0
180
140
109
329
500
5.0
0.1
0.1
0.5
11
134.50
65,535
13.50
Max
±1.5
±3.0
±1.5
±2.5
±3.0
±1.5
±1.0
97.2
+0.8
200
±13
±11
5.5
3.0
8.0
0.4
1.0
0.4
1.0
0.4
5.5
20
13
28
15
±7
RPM
Vp−p
Unit
LSB
%/V
kHz
mA
mA
mV
ms
ms
ms
ms
mA
mA
kW
mA
mA
°C
°C
°C
°C
%
%
V
V
V
V
V
V
V