Preliminary Technical Data

AD7298

Rev. PrA | Page 7 of 18

Pin No.

Mnemonic

Description

12

Busy Output. BUSY transitions high when a temperature sensor conversion starts and remains high until the

conversion completes

13

Data In. Logic input. Data to be written to the AD7298 control register is provided on this input and is clocked into

the register on the falling edge of SCLK.

17

PD

Power Down Pin. This pin will place the part into a full power down mode and will enable power conservation

when the parts operation is not required. This pin can be used to RESET the device by toggling the pin LOW for a

minimum of TBD ns and a maximum of 100ns. If the maximum time is exceeded the part will enter power-down

mode.

/RST

8

Decoupling Capacitor Pins. Decoupling capacitors (1 μF recommended) are connected to this pins to decouple

the internal LDO.