Datasheet > AD6643

AD6643

更新时间： 2022-10-08 17:27:42

品牌	Logo	应用领域
亚德诺 - ADI		接收机
页数	文件大小	规格书
36页	1331K
描述
Dual IF Receiver 1.8 V supply voltages Internal ADC voltage reference

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中文翻译

获取价格

数据手册

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AD6643 数据手册

AD6643

Default

Value

(Hex)

Addr Register

(Hex) Name

Bit 7

(MSB)

Bit 0

(LSB)

Default Notes/

Comments

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

0x0D Test mode

(local)

User test

mode

control

0 =

continuous/

repeat

pattern

1 = single

pattern then

zeros

Open ResetPN

long gen

Reset

short

gen

Output test mode

0000 = off (default)

0001 = midscale short

0010 = positive FS

0011 = negative FS

0x00

When this

the test data

is placed on the

output pins in

place of normal

data

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

0x0E

0x10

0x14

BIST enable

(local)

Open

Open Open

Open

Open Reset BIST

sequence

Open

BIST

enable

0x00

0x0ꢀ

Offset adjust

(local)

Offset adjust in LSBs from +31 to −32

(twos complement format)

Output invert (local)

1 = normal (default)

0 = inverted

Output

mode

Open Open

Output Open

disable

(local)

Output format

00 = offset

binary

Configures the

outputs and

the format of the

data

01 = twos

complement

(default)

10 = gray code

11 = reserved

(local)

0x1ꢀ

Output

adjust

Open

Open Open

Open

LVDS output drive current adjust

0000 = 3.72 mA output drive current

0x01

(global)

0001 = 3.ꢀ 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.ꢀ7 mA output drive current

0110 = 2.27 mA output drive current

0111 = 2.0 mA output drive current

(reduced range)

1000 to 1111 = reserved

0x16

0x17

Clock phase

control

(global)

Invert DCO

clock

Open Open

Open

0x00

DCO output

delay

(global)

Enable DCO Open Open

clock delay

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

0x18

Input span

select

(global)

Open

Open Open

Full-scale input voltage selection

01111 = 2.087 V p-p

…

0x00

Full-scale input

adjustment in

0.022 V steps

00001 = 1.772 V p-p

00000 = 1.7ꢀ V p-p (default)

11111 = 1.727 V p-p

…

10000 = 1.383 V p-p

0x19

0x1A

0x1B

0x1C

User Test

Pattern 1 LSB

(global)

User Test Pattern 1[7:0]

User Test Pattern 1[1ꢀ:8]

User Test Pattern 2[7:0]

User Test Pattern 2[1ꢀ:8]

Rev. 0 | Page 31 of 36

0x00

User Test

Pattern 1

MSB (global)

User Test

Pattern 2 LSB

(global)

User Test

Pattern 2

MSB (global)

1...28 29 303132 33 34...36

中文翻译

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与AD6643相关器件

型号	品牌	获取价格	描述	数据表
AD6643_12	ADI	获取价格	Dual IF Receiver
AD6643_17	ADI	获取价格	Dual IF Receiver
AD6643-200EBZ	ADI	获取价格	Dual IF Receiver 1.8 V supply voltages Internal ADC voltage reference
AD6643-250EBZ	ADI	获取价格	Dual IF Receiver
AD6643BCPZ-200	ADI	获取价格	Dual IF Receiver 1.8 V supply voltages Internal ADC voltage reference
AD6643BCPZ-250	ADI	获取价格	Dual IF Receiver
AD6643BCPZRL7-200	ADI	获取价格	Dual IF Receiver 1.8 V supply voltages Internal ADC voltage reference
AD6643BCPZRL7-250	ADI	获取价格	Dual IF Receiver
AD6644	ADI	获取价格	14-Bit, 40 MSPS/65 MSPS A/D Converter
AD6644_17	ADI	获取价格	Analog-to-Digital Converter

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