Datasheet

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.
7IDIdentification. 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 kW.
8V
DD
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
V
DD
AD7314
ID