ADT7461AARMZ-002 ON Semiconductor, ADT7461AARMZ-002 Datasheet - Page 4
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ADT7461AARMZ-002
Manufacturer Part Number
ADT7461AARMZ-002
Description
IC TEMP SENSOR DGTL 2CH 8-MSOP
Manufacturer
ON Semiconductor
Specifications of ADT7461AARMZ-002
Function
Temp Monitoring System (Sensor)
Topology
ADC, Comparator, Multiplexer, Register Bank
Sensor Type
External & Internal
Sensing Temperature
0°C ~ 127°C, External Sensor
Output Type
SMBus™
Output Alarm
Yes
Output Fan
Yes
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Full Temp Accuracy
+/- 2.5 C
Digital Output - Bus Interface
Serial (2-Wire)
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Temperature Sensor Function
Temp Sensor
Interface Type
Serial (2-Wire)
Package Type
MSOP
Operating Temperature (min)
-40C
Operating Temperature (max)
125C
Operating Temperature Classification
Automotive
Operating Supply Voltage (min)
3V
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
1. See Table 4 for information on other conversion rates.
2. Guaranteed by characterization, but not production tested.
3. Guaranteed by design, but not production tested.
4. See the SMBUS Timing Specifications section for more information.
5. Disabled by default; see the Serial Bus Interface section for details on enabling it.
ELECTRICAL CHARACTERISTICS
Power Supply
Temperature-To-Digital Converter
Open-Drain Digital Outputs (THERM, ALERT/THERM2)
SMBus Interface (Note 3 and 4)
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
Maximum Series Resistance Cancelled
Output Low Voltage, V
High Level Output Leakage Current, I
ALERT Output Low Sink Current
Logic Input High Voltage, V
Logic Input Low Voltage, V
Hysteresis
SMBus Output Low Sink Current
Logic Input Current, I
SMBus Input Capacitance, SCLK, SDATA
SMBus Clock Frequency
SMBus Timeout (Note 5)
SCLK Falling Edge to SDATA Valid Time
Parameter
DD
IH
OL
, I
IL
IH
IL
SCLK, SDATA
SCLK, SDATA
DD
OH
T
A
= −40°C to +120°C, V
0.0625 Conversions/Sec Rate (Note 1)
Standby mode, –40°C ≤ T
Standby mode, +85°C ≤ T
V
−40°C ≤ T
+60°C ≤ T
−55°C ≤ T
−40°C ≤ T
−55°C ≤ T
High level (Note 3)
Middle level (Note 3)
Low level (Note 3)
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 = 16, 32, or 64 conversions per second)
Resistance split evenly on both the D+ and D– inputs
I
V
ALERT forced to 0.4 V
3.0 V ≤ V
3.0 V ≤ V
SDATA forced to 0.6 V
User programmable
Master clocking in data
OUT
DD
OUT
input, disables ADC, rising edge
= −6.0 mA (Note 3)
= V
DD
DD
DD
http://onsemi.com
A
A
A
D
D
≤ +100°C, 3.0 V ≤ V
≤ +120°C,
≤ +100°C,
(Note 2) ≤ +150°C, 3.0 V ≤ V
(Note 2) ≤ +150°C, 3.0 V ≤ V
≤ 3.6 V
≤ 3.6 V
(Note 3)
DD
4
Conditions
= 3.0 V to 5.5 V, unless otherwise noted.
A
A
≤ +85°C
≤ +120°C
DD
≤ 3.6 V
DD
DD
≤ 3.6 V
≤ 5.5 V
32.13
−1.0
Min
3.0
2.2
1.0
3.2
1.0
2.1
6.0
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
3.30
2.55
±1.0
0.25
Typ
170
500
5.5
5.5
1.0
6.0
3.0
0.1
5.0
96
36
25
−
−
−
−
−
−
−
−
−
−
−
−
12.56
114.6
Max
±3.0
±1.0
±3.0
+1.0
215
400
5.5
2.8
2.5
0.4
1.0
0.8
1.0
10
20
64
−
−
−
−
−
−
−
−
−
−
−
Unit
kHz
mA
mV
mA
mA
mA
mA
mA
ms
ms
kW
mA
mA
ms
°C
°C
°C
°C
pF
ms
V
V
V
V
V
V