REV. A

AD7314

–4–

PIN FUNCTION DESCRIPTIONS

Pin No.

Mnemonic

Description

1NCNo Connect.

2CEChip Enable Input. The device is selected when this input is high. The SCLK input is disabled

when this pin is low.

3

SCLK

Serial Clock Input. This is the clock input for the serial port. The serial clock is used to clock

data out of the temperature value register of the AD7314 and also to clock data into the control

register on the part.

4

GND

Analog and Digital Ground.

5SDO

Serial Data Output. Logic output. Data is clocked out of the temperature value register at this pin.

6

SDI

Serial Data Input. Serial data to be loaded to the parts’s control register is provided on this input.

7ID

Identification. This pin can be used by a master device to identify the AD7314 in an SPI bus

system. This pin has an internal pull-down resistor of 1 k

W.

Positive Supply Voltage, 2.65 V to 5.5 V.

PIN CONFIGURATION

8-Lead MSOP

TOP VIEW

(Not to Scale)

8

7

6

5

1

2

3

4

NC = NO CONNECT

NC

SDO

CE

SCLK

GND

SDI

AD7314

ID