AD1838A datasheet(21/24 Pages) AD

21 / 24 page

REV. A

AD1838A

–21–

Table XII. ADC Control 3

Function

IMCLK

ADC

DAC

ADC

Address

RES RES Reserved

Clocking Scaling

Peak Readback

Test Mode

15, 14, 13, 12

9, 8

7, 6

4, 3, 2

1, 0

1110

0, 0

00 = MCLK

20 = Disabled Peak Readback

000 = Normal Mode

00 = Normal Mode

01 = MCLK

1 = Enabled Peak Readback

All Others Reserved

10 = MCLK

2/3

11 = MCLK

Table IX. ADC Peak

Function

Four

Fixed

Address

W RES Six Data Bits

Bits

15, 14, 13, 12

9, 8, 7, 6, 5, 4

3, 2, 1, 0

1010 = Left ADC

000000 = 0 dBFS

0000

1011 = Right ADC

000001 = –1 dBFS

000010 = –2 dBFS

These

four bits

are always

zero.

111111 = –63 dBFS

Table VIII. DAC Volume Control

Function

Address

RES

DAC Volume

15, 14, 13, 12

9, 8, 7, 6, 5, 4, 3, 2, 1, 0

0010 = DACL1

0000000000 = Mute

0011 = DACR1

0000000001 = 1/1023

0100 = DACL2

0000000010 = 2/1023

0101 = DACR2

1111111110 = 1022/1023

0110 = DACL3

1111111111 = 1023/1023

0111 = DACR3

Table X. ADC Control 1

Function

ADC

Sample

Address

RES

Reserved

Filter

Power-Down

Rate

Reserved

15, 14, 13, 12

5, 4, 3, 2, 1, 0

1100

0 = All Pass

0 = Normal

0 = 48 kHz

0, 0, 0, 0, 0, 0

1 = High-Pass

1 = Power-Down

1 = 96 kHz

0, 0, 0, 0, 0, 0

Table XI. ADC Control 2

Function

Master/Slave ADC

ADC Data-

ADC MUTE

Address

RES

Aux Mode

Data Format

Word Width

AUXDATA RES

Right

Left

15, 14, 13, 12 11

8, 7, 6

5, 4

1101

0 = Slave

000 = I

00 = 24 Bits

0 = Off

0 = On

1 = Master

001 = RJ

01 = 20 Bits

1 = On

1 = Mute 1 = Mute

010 = DSP

10 = 16 Bits

011 = LJ

11 = Reserved

100 = Packed 256

101 = Packed 128

110 = Auxiliary 256

111 = Auxiliary 512

101 = Packed 128

110 = Auxiliary 256

111 = Auxiliary 512

AD1838A датащи(PDF) 21 Page - Analog Devices

AD1838A датащи(HTML) 21 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

датащи скачать

ссылки URL