AD-DPGIOZ datasheet(30/61 Pages) AD

30 / 61 page

AD9961/AD9963

Data Sheet

Rev. A | Page 30 of 60

Address

Bit(s)

Parameter

Function

TXI_SLEEP

1: turns off IDAC output current.

TXQ_SLEEP

1: turns off QDAC output current.

CLK_PD

1: turns off clock receiver. This disables all clocks on the chip except for

the serial port clock.

RXADC_PD

1: powers down main ADC clock and the bandgap reference voltage

common to both receive ADCs.

RXQ_SLEEP

1: powers down the Q ADC core.

RXI_SLEEP

1: powers down the I ADC core.

Power Down 1

0x61

Unused

DLL_LDO_PD

1: powers down LDO that supplies the DLL18V voltage rail.

DLLBIAS_PD

1: powers down bias sub-block inside DLL block.

CLK_LDO_PD

1: powers down LDO that supplies the CLK18V voltage rail.

RX_LDO_PD

1: powers down LDO that supplies the RX18V voltage rail.

RXF_LDO_PD

1: powers down LDO that supplies the RX18VF voltage rail.

AUXADC_PD

1: powers down AUXADC block.

AUX_REF_PD

1: powers down the auxiliary ADC voltage reference, allowing an external

reference to be used.

LDO Status

0x62

DLL_LDO_STAT

1: LDO to DLL block is on (read only).

CLK_LDO_STAT

1: LDO to CLOCK block is on (read only).

RX_LDO_STAT

1: LDO to ADC blocks is on (read only).

RXF_LDO_STAT

1: LDO to FLASH section of ADC is on (read only).

DIG_LDO_STAT

1: LDO to digital core is on (read only).

Unused

RSET_SEL

0: selects internal 10 kΩ to generate 1 V reference.

1: selects external RSET to generate voltage reference.

Output Drive

0x63

7:6

TRXD_DRV

Controls the drive strength of the TRXD[11:0] pins.

00: 4 mA output drive.

01: 8 mA output drive.

10: 12 mA output drive.

11: not valid.

5:4

TRXIQ_DRV

Controls the drive strength of the TRXIQ pin.

00: 4 mA output drive.

01: 8 mA output drive.

10: 12 mA output drive.

11: not valid.

3:2

TRXCLK_DRV

Controls the drive strength of the TRXCLK pin.

00: 4 mA output drive.

01: 8 mA output drive.

10: 12 mA output drive.

11: not valid.

1:0

TXCLK_DRV

Controls the drive strength of the TXCLK pin.

00: 4 mA output drive.

01: 8 mA output drive.

10: 12 mA output drive.

11: not valid.

AD-DPGIOZ Datasheet(PDF) 30 Page - Analog Devices

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