CS4341

DS298PP2

17

4.5

POWER ON/OFF QUIESCENT VOLTAGE RAMP

Mode Control Register (address 01h)

Access:

Default:

1 - Enabled

Function:

The power On/Off Quiescent Voltage Ramp allows the quiescent voltage to slowly ramp to and from

0 volts to the quiescent voltage during power-on or power-off. Please refer to the applications section

for details of implementing this feature.

4.6

POWER DOWN

Mode Control Register (address 01h)

Access:

Default:

1 - Enabled

Function:

The device will enter a low-power state whenever this function is activated. The power-down bit de-

faults to ‘enabled’ on power-up and must be disabled before normal operation will begin. The contents

of the control registers are retained in this mode.

765

4321

0

AMUTE

DIF2

DIF1

DIF0

DEM1

DEM0

POR

PDN

POR

MODE

0

Disabled

1

Enabled

Table 5. Power On/Off Ramp Enable

765

4321

0

AMUTE

DIF2

DIF1

DIF0

DEM1

DEM0

POR

PDN

PDN

MODE

0

Disabled

1

Enabled

Table 6. Power Down Enable