ADT7481ARMZ-R7 ON Semiconductor, ADT7481ARMZ-R7 Datasheet - Page 4

• Manufacturer Part Number: ADT7481ARMZ-R7
• Description: IC TEMP SENSOR 2CH ALARM 10MSOP
• Manufacturer: ON Semiconductor

Specifications of ADT7481ARMZ-R7

• Function: Temp Monitoring System (Sensor)
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 120°C, External Sensor
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Full Temp Accuracy: +/- 2.5 C
• Digital Output - Bus Interface: Serial (2-Wire)
• Maximum Operating Temperature: + 127 C
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1. See Table 6 for information on other conversion rates.
2. Averaging enabled.
3. Guaranteed by characterization, not production tested.
4. Guaranteed by design, not production tested.
5. See Timing Specifications section for more information.
6. Disabled by default. See the Serial Bus Interface section for details to enable it.
ELECTRICAL CHARACTERISTICS
Power Supply
Temperature−To−Digital Converter
Open−Drain Digital Outputs (THERM, ALERT/THERM2)
SMBus Interface (Notes 4 and 5)
Supply Voltage, V
Average Operating Supply Current, I
Remote Diode Sensor Accuracy (Note 2)
Output Low Voltage, V
High Level Output Leakage Current, I
Logic Input High Voltage, V
Logic Input Low Voltage, V
Hysteresis
SDA Output Low Voltage, V
Logic Input Current, I
SMBus Input Capacitance,
SMBus Clock Frequency
SMBus Timeout (Note 6)
SCLK Falling Edge to SDATA Valid Time
Undervoltage Lockout Threshold
Power−On−Reset Threshold
Local Sensor Accuracy (Note 2)
Resolution
Resolution
Remote Sensor Source Current
Conversion Time
SCLK, SDATA
SCLK, SDATA
SCLK, SDATA
Parameter
DD
IH
OL
, I
IL
IL
IH
OL
DD
OH
(T
A
0.0625 Conversions/Sec Rate (Note 1)
I
V
I
User programmable
Master clocking in data
Standby mode
V
0°C ≤ T
0°C ≤ T
−40 ≤ T
0°C ≤ T
0°C ≤ T
−40°C ≤ T
High level (Note 4)
Low level (Note 4)
From stop bit to conversion complete (both channels)
one−shot mode with averaging switched on
One−shot mode with averaging off (conversion
rate = 16, 32, or 64 conversions per second)
OUT
OUT
= −40°C to +120°C, V
OUT
DD
= −6.0 mA
= −6.0 mA
input, disables ADC, rising edge
= V
A
A
A
A
A
DD
≤ +70°C
≤ +85°C
≤ +100°C
≤ +70°C, −55°C ≤ T
≤ +85°C, −55°C ≤ T
A
≤ +100°C, −55°C ≤ T
http://onsemi.com
Conditions
4
DD
= 3.0 V to 3.6 V, unless otherwise noted)
D
D
(Note 3) ≤ +150°C
(Note 3) ≤ +150°C
D
(Note 3) ≤ +150°C
−1.0
Min
1.0
3.0
2.1
3.30
2.55
0.25
Typ
233
500
3.0
5.0
1.0
0.1
5.0
14
73
11
25
Max
±1.5
±2.5
±1.5
±2.5
+1.0
400
3.6
4.0
2.5
0.4
1.0
0.8
0.4
1.0
30
±1
±1
94
14
32
Unit
kHz
mA
mV
ms
ms
ms
mA
°C
°C
°C
°C
mA
mA
mA
mA
pF
ms
V
V
V
V
V
V
V