ADT7461AR-REEL7 ON Semiconductor, ADT7461AR-REEL7 Datasheet - Page 3

• Manufacturer Part Number: ADT7461AR-REEL7
• Description: IC SENSOR TEMP 2-CH 8SOIC
• Manufacturer: ON Semiconductor

Specifications of ADT7461AR-REEL7

• Rohs Status: RoHS non-compliant
• 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 ~ 5.5 V
• Operating Temperature: -40°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)

SPECIFICATIONS
T
Table 1.
Parameter
POWER SUPPLY
TEMPERATURE-TO-DIGITAL CONVERTER
OPEN-DRAIN DIGITAL OUTPUTS
( THERM , ALERT / THERM2 )
SMBus INTERFACE
1
2
3
4
5
See Table 8 for information on other conversion rates.
Guaranteed by characterization, but not production tested.
Guaranteed by design, but not production tested.
See the SMBUS Timing Specifications section for more information.
Disabled by default; see the Serial Bus Interface section for details on enabling it.
A
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
SCLK Falling Edge to SDATA Valid Time
= −40°C to +120°C, V
SCLK, SDATA
SCLK, SDATA
5
3, 4
DD
IH
, I
OL
DD
IL
= 3 V to 5.5 V, unless otherwise noted.
IL
IH
DD
OH
Min
3.0
2.2
1
32.13
3.2
1
2.1
6
−1
Rev. 3 | Page 3 of 23 | www.onsemi.com
Typ
2.55
96
3
3.30
170
5.5
5.5
±1
1
0.25
36
6
0.1
500
5
25
Max
5.5
215
10
20
2.8
2.5
±3
±1
±3
114.6
12.56
0.4
1
0.8
+1
400
64
1
Unit
V
μA
μA
μA
V
V
°C
°C
°C
°C
°C
μA
μA
μA
ms
ms
kΩ
V
μA
mA
V
V
mV
mA
μA
pF
kHz
ms
μs
Test Conditions
0.0625 conversions/sec rate
Standby mode, –40°C ≤ T
Standby mode, +85°C ≤ T
V
−40°C ≤ T
+60°C ≤ T
−40°C ≤ T
High level
Middle level
Low level
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 V ≤ V
3 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
= V
DD
DD
DD
≤ 3.6 V
≤ 3.6 V
3
A
A
A
3
3
≤ +100°C, 3 V ≤ V
≤ +100°C, −55°C ≤ T
≤ +120°C, −55°C ≤ T
3
3
A
A
≤ +85°C
≤ +120°C
1
DD
≤ 3.6 V
D
D
2
2
≤ +150°C, 3 V ≤ V
≤ +150°C, 3 V ≤ V
ADT7461
DD
DD
≤ 3.6 V
≤ 5.5 V