• Any products mentioned in this catalog 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.
MITSUMI
Temperature Sensor for I
2
C BUS MM3285
Temperature Sensor for I
2
C BUS
Monolithic IC MM3285
Package
SOT-26A …………… MM3285CNRE
SOT-25A …………… MM3285FNRE
Applications
1. LCD TVs
2. PCs
3. PC servers/network servers
4. System temperature monitoring
5. OA equipment
Features
1. Low current consumption (75μA typ.)
2. Shutdown mode minimizing current consumption
3. I
2
C BUS compatible interface
4. Up to 4 ICs can be built into a bus
5. Temperature data: 9 bit resolution with a LSB equal to 0.5℃
6. Fast update of time (2ms typ.)
(Except where noted otherwise Topr=+25℃ )
Outline
This IC is an I
2
C BUS compatible digital temperature sensor IC incorporating a temperature sensor and
sigma-delta AD converter. It provides low current consumption and I
2
C BUS compatible interface, which
makes it ideal for a wide range of applications.
• Any products mentioned in this catalog 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.
MITSUMI
Temperature Sensor for I
2
C BUS MM3285
I
2
C Interface
Configuration
Register
Pointer Register
Temperature
Sensor
9Bit Sigma-Delta
A/D Converter
SDA
SCL
A
0
A1
VDD
GND
1 SCL
2 GND
3 A
1
4 V
DD
5 A
0
6 SDA
13
65
2
4
SOT-26A
(TOP VIEW)
1 SCL
2 GND
3 A
1
4 V
DD
5 SDA
13
5
2
4
SOT-25A
(TOP VIEW)
Block Diagram
Pin Assignment