REV. E

AD7814

–4–

PIN FUNCTION DESCRIPTIONS

Pin

SOT-23

MSOP

Mnemonic

Pin No.

Pin No.

Description

GND

1

7

Analog and Digital Ground

DIN

2

6

Serial Data Input. Serial data to be loaded to the part’s control register is

provided on this input. Data is clocked into the control register on the rising

edge of SCLK.

35

Positive Supply Voltage, 2.7 V to 5.5 V

SCLK

4

4

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 AD7814 and

to clock data into the control register on the part.

CS

53

Chip Select Input. Logic input. The device is selected when this input is low.

The SCLK input is disabled when this pin is high.

DOUT

6

2

Serial Data Output. Logic output. Data is clocked out of the temperature

value register at this pin. Data is clocked out on the falling edge of SCLK.

NC

1, 8

No Connect

PIN CONFIGURATIONS

SOT-23

1

2

3

GND

TOP VIEW

(Not to Scale)

6

5

4

AD7814

DIN

DOUT

CS

SCLK

MSOP

TOP VIEW

(Not to Scale)

8

7

6

5

1

2

3

4

NC = NO CONNECT

NC

DOUT

CS

SCLK

NC

GND

DIN

AD7814