AD7314
PIN FUNCTION DESCRIPTIONS
Pin No.
Mnemonic
Description
1
2
NC
CE
No Connect.
Chip 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
5
6
7
GND
SDO
SDI
ID
Analog and Digital Ground.
Serial Data Output. Logic output. Data is clocked out of the temperature value register at this pin.
Serial Data Input. Serial data to be loaded to the parts’s control register is provided on this input.
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 kΩ.
8
VDD
Positive Supply Voltage, 2.65 V to 2.9 V.
PIN CONFIGURATION
SOIC
V
NC
CE
1
2
3
4
8
7
6
5
DD
AD7314
TOPVIEW
(Not to Scale)
ID
SDI
SDO
SCLK
GND
NC = NO CONNECT
–4–
REV. 0
ADI [ ADI ]
