1°C Accurate Remote/Local Temperature
Sensor with SMBus Serial Interface
Pin Description
PIN
NAME
FUNCTION
1, 5, 9, 13, 16
N.C.
No Connection. Not internally connected. May be used for PC board trace routing.
Supply Voltage Input. +3.0V to +5.5V. Bypass to GND with a 0.1µF capacitor. A 200Ω series
resistor is recommended but not required for additional noise filtering.
2
3
4
V
CC
Combined Current Source and ADC Positive Input for Remote-Junction Channel. If a remote-
sensing junction is not used, connect DXP to DXN.
DXP
DXN
Combined Current Sink and ADC Negative Input. DXN is internally biased to a diode voltage above
ground.
6
7, 8
10
11
12
14
ADD1
GND
SMBus Slave Address Select Input. ADD0 and ADD1 are sampled upon power-up.
Ground
ADD0
SMBus Slave Address Select Input. ADD0 and ADD1 are sampled upon power-up.
SMBus Alert (Interrupt) Output. Open drain.
ALERT
SMBDATA
SMBCLK
SMBus Serial-Data Input/Output. Open drain.
SMBus Serial-Clock Input
Hardware standby input. Temperature and comparison threshold data are retained in standby
mode. Low = standby mode, high = operating mode.
15
STBY
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5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
