ADT7483AARQZ-R7 ON Semiconductor, ADT7483AARQZ-R7 Datasheet - Page 4

• 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

ADT7483A
SMBUS TIMING SPECIFICATIONS
Table 2.
Parameter
f
t
t
t
t
t
t
t
t
t
1
2
3
4
SCLK
LOW
HIGH
R
F
SU; STA
HD; STA
SU; DAT
SU; STO
BUF
Guaranteed by design, but not production tested.
Time from 10% of SDATA to 90% of SCLK.
Time for 10% or 90% of SDATA to 10% of SCLK.
Time for 90% of SCLK to 10% of SDATA.
2
3
4
SDATA
SCLK
1
STOP START
Limit at T
400
4.7
4
1
300
4.7
4
250
4
4.7
t
BUF
MIN
, T
MAX
t
t
LOW
HD;STA
t
HD;DAT
t
R
Unit
kHz max
μs min
μs min
μs max
ns max
μs min
μs min
ns min
μs min
μs min
Rev. 1 | Page 4 of 24 | www.onsemi.com
t
F
t
HIGH
Figure 2. Serial Bus Timing
t
SU;DAT
Description
Clock low period, between 10% points
Clock high period, between 90% points
Clock/data rise time
Clock/data fall time
Start condition setup time
Start condition hold time
Data setup time
Stop condition setup time
Bus free time between stop and start conditions
START
t
SU;STA
t
HD;STA
t
SU;STO
STOP