AD9613 datasheet(33/36 Pages) AD

33 / 36 page

Data Sheet

AD9613

Rev. C | Page 33 of 36

Addr

(Hex)

Name

Bit 7

(MSB)

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

(LSB)

Default

Value

(Hex)

Default

Notes/

Comments

0x0D

Test mode

(local)

User test

mode

control

0 =

continuou

s/repeat

pattern

1 = single

pattern,

then 0s

Open

ResetPN

longgen

Reset PN

short gen

Output test mode

0000 = off (default)

0001 = midscale short

0010 = positive FS

0011 = negative FS

0100 = alternating checkerboard

0101 = PN long sequence

0110 = PN short sequence

0111 = one/zero word toggle

1000 = user test mode

1001 to 1110 = unused

1111 = ramp output

0x00

When this

set, the test

data is

placed on

the output

pins in

place of

normal data

0x10

Offset adjust

(local)

Open

Offset adjust in LSBs from +31 to −32

(twos complement format)

0x00

0x14

Output mode

Open

Output

enable bar

(local)

Open

Output invert

(local)

1 = normal

(default)

0 = inverted

Output format

00 = offset binary

01 = twos complement

(default)

10 = gray code

11 = reserved

(local)

0x05

Configures

the outputs

and the

format of

the data

0x15

Output Adjust

(Global)

Open

LVDS output drive current adjust

0000 = 3.72 mA output drive current

0001 = 3.5 mA output drive current (default)

0010 = 3.30 mA output drive current

0011 = 2.96 mA output drive current

0100 = 2.82 mA output drive current

0101 = 2.57 mA output drive current

0110 = 2.27 mA output drive current

0111 = 2.0 mA output drive current (reduced range)

1000 – 1111 = reserved

0x01

0x16

Clock phase

control

(global)

Invert

DCO clock

Open

Odd/Even

Mode

Output

Enable

0 =

disabled

1 =

enabled

Open

0x00

0x17

DCO output

delay (global)

Enable

DCO

clock

delay

Open

DCO clock delay

[delay = (3100 ps × register value/31 +100)]

00000 = 100 ps

00001 = 200 ps

00010 = 300 ps

…

11110 = 3100 ps

11111 = 3200 ps

0x00

0x18

Input span

select (global)

Open

Full-scale input voltage selection

01111 = 2.087 V p-p

…

00001 = 1.772 V p-p

00000 = 1.75 V p-p (default)

11111 = 1.727 V p-p

…

10000 = 1.383 V p-p

0x00

Full-scale

input

adjustment

in 0.022 V

steps

0x19

User Test

Pattern 1 LSB

(global)

User Test Pattern 1[7:0]

0x00

0x1A

User Test

Pattern 1 MSB

(global)

User Test Pattern 1[15:8]

0x00

0x1B

User Test

Pattern 2 LSB

(global)

User Test Pattern 2[7:0]

0x00

0x1C

User Test

Pattern 2 MSB

(global)

User Test Pattern 2[15:8]

0x00

0x1D

User Test

Pattern 3 LSB

(global)

User Test Pattern 3[7:0]

0x00

AD9613 Datasheet(PDF) 33 Page - Analog Devices

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