AD9639BCPZ-170 Datasheet, PDF(32/36 Page) Analog Devices – Quad, 12-Bit, 170 MSPS/210 MSPS Serial Output 1.8 V ADC

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AD9639BCPZ-170 Datasheet, PDF (32/36 Pages) Analog Devices – Quad, 12-Bit, 170 MSPS/210 MSPS Serial Output 1.8 V ADC

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AD9639

Data Sheet

Table 15. Memory Map Register

Addr. Register

(Hex) Name

(MSB)

Bit 7

Chip Configuration Registers

0x00

chip_port_

config (local,

master)

SDO active

(not

required,

ignored if

not used)

0x01 chip_id

(global)

0x02 chip_grade

(global)

Device Index and Transfer Registers

0x05

device_

index_A

(global)

0xFF device_

update (local,

master)

ADC Function Registers

0x08 Modes

(local)

0x09 Clock

(global)

0x0D test_io

(local)

0x0E test_bist

(local)

0x0F adc_input

(local)

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

(LSB)

Bit 0

Default

Value

(Hex) Comments

LSB

Soft

16-bit

first

reset

address

(default

mode for

ADCs)

8-bit chip ID, Bits[2:0]

0x29: AD9639, 12-bit quad

Speed grade

010 = 170 MSPS

100 = 210 MSPS

0x18

Read only.

ADC A ADC B

ADC C ADC D 0x0F

transfer

1 = on

0 = off

(default)

0x00

Bits are set to

determine

which device

on chip

receives the

next write

command.

The default

is all devices

on chip.

Synchro-

nously

transfers

data from

the master

shift register

to the slave.

External PDWN pin

function

00 = full power-down

(default)

01 = standby

Reset PN

sequence

long gen

1 = on

0 = off

(default)

Reset PN

sequence

short gen

1 = on

0 = off

(default)

Power-down mode

00 = chip run

(default)

01 = full power-down

10 = standby

11 = reset

Duty

cycle

stabilize

1 = on

(default)

0 = off

Flexible output test mode

0000 = off (normal operation)

0001 = midscale short

0010 = +FS short

0011 = âFS short

0100 = checkerboard output

0101 = PN 23 sequence

0110 = PN 9 sequence

0111 = 1/0 word toggle

BIST init

1 = on

0 = off

(default)

BIST

enable

1 = on

0 = off

(default)

Analog

disconnect

enable

1 = on

0 = off

(default)

VCM

enable

1 = on

0 = off

(default)

0x00

0x01

0x00

Determines

generic

modes

of chip

operation.

Turns the

internal

duty cycle

stabilizer

on and off.

When set,

the test data

is placed on

the output

pins in place

of normal

data.

When Bit 0

is set, the

built-in self-

test function

is initiated.

Rev. B | Page 32 of 36

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