ADM1032ARM ON Semiconductor, ADM1032ARM Datasheet - Page 3

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ADM1032ARM

Manufacturer Part Number
ADM1032ARM
Description
IC TEMP MONITOR 85DEG C 8MSOP
Manufacturer
ON Semiconductor
Datasheet

Specifications of ADM1032ARM

Rohs Status
RoHS non-compliant
Function
Temp Monitoring System (Sensor)
Topology
ADC, Comparator, Multiplexer, Register Bank
Sensor Type
External & Internal
Sensing Temperature
0°C ~ 100°C, External Sensor
Output Type
SMBus™
Output Alarm
Yes
Output Fan
Yes
Voltage - Supply
3 V ~ 5.5 V
Operating Temperature
0°C ~ 100°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,

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PIN ASSIGNMENT
ELECTRICAL CHARACTERISTICS
Power Supply
Temperature−To−Digital Converter
1. See Table 6 for information on other conversion rates.
2. Guaranteed by design, not production tested.
3. The SMBus timeout is a programmable feature. By default, it is not enabled. Details on how to enable it are available in the Serial Bus
Pin No.
Open−Drain Digital Outputs (THERM, ALERT)
Serial Bus Timing (Note 2)
Supply Voltage, V
Average Operating Supply Current, I
Undervoltage Lockout Threshold
Power−On Reset Threshold
Local Sensor Accuracy
Resolution
Remote Diode Sensor Accuracy
Resolution
Remote Sensor Source Current
Conversion Time
Output Low Voltage, V
High Level Output Leakage Current, I
Logic Input High Voltage, V
SCLK, SDATA
Logic Input Low Voltage, V
Hysteresis
SCLK, SDATA
Interface section.
1
2
3
4
5
6
7
8
Mnemonic
THERM
ALERT
SDATA
SCLK
GND
Parameter
V
D+
D−
DD
DD
OL
IL
Positive Supply, 3.0 V to 5.5 V.
Positive Connection to Remote Temperature Sensor.
Negative Connection to Remote Temperature Sensor.
THERM is an open−drain output that can be used to turn a fan on/off or throttle a CPU clock in the event of
an overtemperature condition. Requires pullup to V
Note: Please refer to Power Sequencing Considerations; THERM Pin Pullup on page 15 for more information.
Supply Ground Connection.
Open−Drain Logic Output Used as Interrupt or SMBus Alert.
Logic Input/Output, SMBus Serial Data. Open−drain output. Requires pullup resistor.
Logic Input, SMBus Serial Clock. Requires pullup resistor.
IH
CC
OH
0.0625 conversions/sec rate (Note 1)
Standby mode
V
0 ≤ T
60°C ≤ T
0°C ≤ T
High level (Note 2)
Low level (Note 2)
From stop bit to conversion complete
Both channels: one−shot mode with averaging
switched on
One−shot mode with averaging off (that is,
conversion rate = 32 or 64 conversions per second)
I
V
V
V
OUT
DD
OUT
DD
DD
input, disables ADC, rising edge
= 3.0 V to 5.5 V
= 3.0 V to 5.5 V
A
= −6.0 mA (Note 2)
= V
≤ 100°C, V
D
D
DD
≤ 120°C
≤ 100°C, V
http://onsemi.com
(Note 2)
CC
Conditions
= 3 V to 3.6 V
CC
3
= 3 V to 3.6 V
Description
DD
, the same supply as the ADM1032.
2.35
35.7
Min
3.0
1.0
5.7
2.1
0.125
3.30
2.55
Typ
170
230
500
5.5
1.0
0.1
±1
13
142.8
Max
22.8
215
5.5
2.8
2.4
0.4
1.0
0.8
10
±3
±1
±3
Unit
mV
ms
ms
mA
mA
°C
°C
°C
°C
°C
mA
mA
mA
V
V
V
V
V
V

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