ADT7483AARQZ-R7 ON Semiconductor, ADT7483AARQZ-R7 Datasheet - Page 3

• Manufacturer Part Number: ADT7483AARQZ-R7
• Description: IC TEMP SENSOR/ALARM 2CH 16-QSOP
• Manufacturer: ON Semiconductor

Specifications of ADT7483AARQZ-R7

• Function: Temp Monitoring System (Sensor)
• 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 ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Full Temp Accuracy: +/- 2.5 C
• Digital Output - Bus Interface: Serial (2-Wire)
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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 11 for information on other conversion rates.
Temperature accuracy guaranteed with averaging enabled.
Guaranteed by design, but not production tested.
See the SMBus Timing Specifications section for more information.
Disabled by default. Instructions to enable it are in the Serial Bus Interface section.
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
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, SCLK, SDATA
SMBus Clock Frequency
SMBus Timeout
SCLK Falling Edge to SDATA Valid Time
= −40°C to +125°C, V
5
3, 4
DD
IH
OL
, I
DD
IL
= 3 V to 3.6 V, unless otherwise noted.
IL
IH
, SCLK, SDATA
OL
, SCLK, SDATA
3
DD
2
OH
Rev. 1 | Page 3 of 24 | www.onsemi.com
Min
3.0
1
2.1
−1
Typ
3.30
240
5
2.55
1
0.25
233
14
73
11
0.1
500
5
25
Max
3.6
350
30
2.5
±1
±1.5
±2.5
±1
±1.5
±2.5
94
14
0.4
1
0.8
0.4
+1
400
32
1
Unit
V
μA
μA
V
°C
°C
°C
°C
°C
°C
°C
°C
μA
μA
ms
ms
V
μA
V
V
mV
V
μA
pF
kHz
ms
μs
V
Test Conditions
0.0625 conversions/sec rate
Standby mode
V
0°C ≤ T
0°C ≤ T
−40 ≤ T
0°C ≤ T
0°C ≤ T
−40 ≤ T
High level
Low level
From stop bit to conversion complete (all channels),
one-shot mode with averaging switched on
One-shot mode with averaging off,
(conversion rate = 16, 32, or 64 conversions/sec)
I
V
I
User programmable
Master clocking in data
OUT
OUT
DD
OUT
input, disables ADC, rising edge
= −6.0 mA
= −6.0 mA
= V
A
A
A
A
A
A
DD
≤ 70°C
≤ 85°C
≤ 70°C, −55°C ≤ T
≤ 85°C, −55°C ≤ T
≤ 100°C
≤ 100°C, −55°C ≤ T
D
D
3
3
D
1
≤ 150°C
≤ 150°C
3
≤ +150°C
ADT7483A