ICM7722

Rev A0.1

ICmic reserves the right to change specifications without prior notice

7

back low for the next data word to be loaded

in. This pin also disables the SCK pin

internally when pulled high.

Power-Down Mode

The

DAC

have

three

Software-

Selectable

Power-Down

Output

Impedances (1k Ohm, 100k Ohm) as

additional

safety

feature

for

applications that drive transducers or

valves. The power down can be done

with loading the control word with

1111 (C0 to C3). The selection of the

Output

Impedance

of

DAC

is

controlled by the last 5 bits. See Table

1 and Table 2 for details of operation

of this function.

Power-On Reset

There is a power-on reset on board

that will clear the contents of all the

latches to all 0s on power-up and the

DAC

voltage

output

will

go

to

ground.