ADM1034ARQZ-R7 ON Semiconductor, ADM1034ARQZ-R7 Datasheet - Page 2

• Manufacturer Part Number: ADM1034ARQZ-R7
• Description: IC THERM/FAN SPEED CTLR 16-QSOP
• Manufacturer: ON Semiconductor

Specifications of ADM1034ARQZ-R7

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LOCATION
DRIVE1
DRIVE2
TACH1
TACH2
REF
D1–
D1+
D2–
D2+
13
10
11
12
1
3
2
8
4
9
TEMPERATURE
ADM1034
BAND GAP
SENSOR
BLOCK
SRC
CONDITIONING
CONTROLLER
TACH SIGNAL
FAN SPEED
MULTIPLEXER
ANALOG
TEMPERATURE−TO−
SPEED CONTROL
LOOK−UP TABLE
FAN RESPONSE
MANUAL FAN
FAN−SPEED
REGISTERS
Figure 1. Functional Block Diagram
COUNTER
SPEED
REFERENCE
FAN
BAND GAP
ADC
http://onsemi.com
V
CC
6
GND
5
2
CONFIGURATION
RATE REGISTER
COMPARATOR
CONVERSION
HYSTERESIS
SERIAL BUS
INTERFACE
VALUE AND
REGISTERS
REGISTERS
REGISTERS
REGISTERS
REGISTER
REGISTER
ADDRESS
ADDRESS
POINTER
STATUS
OFFSET
SMBUS
QUEUE
FAULT
LIMIT
LIMIT
ALERT
THERM
REGISTERS
THERM PERCENT
MASK
TIMER
QUEUE
FAULT
16
15
14
8
7
ALERT
THERM
FAN_FAULT
SCL
SDA