AD1871 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD1871

Stereo Audio, 24-Bit, 96 kHz, Multibit ADC

Analog Devices 

AD1871

Pin Function Redefinition in External Control Mode

Pin Input/

No. Output Mnemonic

Description

2I

3I

4I

5I

256/512

DF0

DF1

M/S

Clock Rate Select. This pin is used to select between an MCLK of 256 ϫ fS (pin low) or

512 ϫ fS (pin high).

Data Format Select 0. This pin is used as the low bit (DF0) of the data format selection

(see section on External Control).

Data Format Select 1. This pin is used as the high bit (DF1) of the data format selection

(see section on External Control).

Master/Slave Select. This pin is used to select between the Master (pin low) or Slave (pin

high) Modes.

Pin Function Redefinition in Modulator Mode

Pin Input/

No. Output Mnemonic

Description

3O

25 O

26 O

27 O

28 O

MODCLK

D3

D2

D1

D0

This pin provides a clock output that allows the user to decode the left and right channel

modulator outputs. It is similar to a left/right clock but runs (nominally) at 5.6448 MHz

and gates a 4-bit modulator output word in each phase (see section on Modulator Mode).

Bit 3 of the Modulator Output Word

Bit 2 of the Modulator Output Word

Bit 1 of the Modulator Output Word

Bit 0 of the Modulator Output Word

REV. 0

–11–

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