DAC3482 datasheet(39/79 Pages) TI1

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DAC3482

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SLAS748A

– MARCH 2011 – REVISED JUNE 2011

– Address: 0x27, Default: 0xEAEA

Default

Address

Bit

Name

Function

Value

Name

config39

0x27

15:0

iotest_pattern2

Dataword2 in the IO test pattern. It is used with the seven other words to test the input

0xEAEA

data.

– Address: 0x28, Default: 0x4545

Default

Address

Bit

Name

Function

Value

Name

config40

0x28

15:0

iotest_pattern3

Dataword3 in the IO test pattern. It is used with the seven other words to test the input data.

0x4545

– Address: 0x29, Default: 0x1A1A

Default

Address

Bit

Name

Function

Value

Name

config41

0x29

15:0

iotest_pattern4

Dataword4 in the IO test pattern. It is used with the seven other words to test the input data.

0x1A1A

– Address: 0x2A, Default: 0x1616

Default

Address

Bit

Name

Function

Value

Name

config42

0x2A

15:0

iotest_pattern5

Dataword5 in the IO test pattern. It is used with the seven other words to test the input

0x1616

data.

– Address: 0x2B, Default: 0xAAAA

Default

Address

Bit

Name

Function

Value

Name

config43

0x2B

15:0

iotest_pattern6

Dataword6 in the IO test pattern. It is used with the seven other words to test the input

0xAAAA

data.

– Address: 0x2C, Default: 0xC6C6

Default

Address

Bit

Name

Function

Value

Name

config44

0x2C

15:0

iotest_pattern7

Dataword7 in the IO test pattern. It is used with the seven other words to test the input

0xC6C6

data.

– Address: 0x2D, Default: 0x0004

Default

Address

Bit

Name

Function

Value

Name

config45

0x2D

Reserved

Reserved for factory use.

ostrtodig_sel

When set, the OSTR signal is passed directly to the digital block. This is the signal that

is used to clock the dividers.

ramp_ena

When set, a ramp signal is inserted in the input data at the FIFO input.

12:1

Reserved

Reserved for factory use.

0000

0100

sifdac_ena

When set, the DAC output is set to the value in sifdac(15:0) in register config48.

– Address: 0x2E, Default: 0x0000

Default

Address

Bit

Name

Function

Value

Name

config46

0x2E

15:8

Reserved

Reserved for factory use.

0x00

7:0

grp_delayI(7:0)

Sets the group delay function for DACI. The maximum delay ranges from 30ps to

0x00

100ps and is dependent on DAC sample clock. Contact TI for specific application

information.

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