AD1928(RevB) Ver la hoja de datos (PDF) - Analog Devices

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AD1928
(Rev.:RevB)

2 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec

Analog Devices 

AD1928

Pin No.

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39 to 42

43

44

45

46

47

48

Input/Output

I

I

I

O

O

O

O

I

I

I

O

I

I

O

I

I

I

I

I

O

I

Mnemonic

Description

DGND

Digital Ground.

CCLK

Control Clock Input (SPI).

CLATCH

Latch Input for Control Data (SPI).

OL1

DAC Left 1 Output.

OR1

DAC Right 1 Output.

OL2

DAC Left 2 Output.

OR2

DAC Right 2 Output.

AGND

Analog Ground.

AVDD

Analog Power Supply. Connect to analog 3.3 V supply.

AGND

Analog Ground.

FILTR

AGND

AVDD

CM

Unused

E ADC1LP

ADC1LN

ADC1RP

T ADC1RN

LF

OBSOLE AVDD

Voltage Reference Filter Capacitor Connection. Bypass with 10 μF||100 nF to AGND.

Analog Ground.

Analog Power Supply. Connect to analog 3.3 V supply.

Common-Mode Reference Filter Capacitor Connection. Bypass with 47 μF||100 nF to AGND.

Must be tied to common mode, Pin 38; alternatively, ac-coupled to ground.

ADC Left 1 Positive Input.

ADC Left 1 Negative Input.

ADC Right 1 Positive Input.

ADC Right 1 Negative Input.

PLL Loop Filter. Return to AVDD.

Analog Power Supply. Connect to analog 3.3 V supply.

Rev. B | Page 10 of 32

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