Outline
Applications Specification
Flat TVs System temperature monitering
Tablet PCs, PCs Office automation equipments
PC servers / network servers
Features
① Low voltage operation: 3.0V to 5.5V
② Low current consumption: 75µA typ.
③ Fast update of time: 2ms typ.
④ Accuracy: ±2.0°C ( 25°C to +100°C)
⑤ Resolution: 9 bits (0.5°C)
⑥ Shutdown mode minimizing current consumption
⑦
I
2
C BUS compatible interface
⑧
Up to 8 ICs can be built into a bus
⑨
Built-in thermostat function (comparator mode, latch mode)
Block Diagram Package
SOP-8D
Application circuit
VOperating voltage 3.0 ～ 5.5
O.S. Output Saturation
0.4
µA
℃
Supply current 75 (typ.)
Temperature accuracy
±2.0（−25～＋100℃）
Vmax
bit
ms
Resolution 9（0.5℃）
Temperature Sensor IC (Digital Output)
℃
MM3286
Item Specification Unit
Operation temperature
ー40 ～ +125
This IC is an I2CBUS compatible digital temperature sensor IC that incorporates a temperature sensor and a
sigma-delta AD converter. It offers low current consumption and an I2C BUS compatible interface, making it
ideal for a wide range of applications.
It also has a built-in thermostat function to improve safety.
Data update time 2
Start-up Reset Voltage
2.1 V
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■ Any products mentioned in this leaflet are subject to any modification in their appearance and others for improvements without prior notification.
■ The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
Temperature
Sensor
9Bit Sigma-Delta A/D Converter
Configuration
Register
T
OS
Register
T
HYST
Register
Pointer Register
I
2
C Interface
Temp Detection
Circuit
SDA
SCL
A
0
A
1
A
2
V
DD
GND
O.S.
VDD
A0 OS
A1 SDA
A2 SCL
GND
0.1uF
10kΩ
10kΩ
MASTER
3.3V
10kΩ
MM3286
September 2020 Rev.3