PCM1863 datasheet(6/115 Pages) TI

Part #	PCM1863

Description	PCM186x 110dB 2ch and 4ch Audio ADCs with Universal Front End

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Manufacturer	TI [Texas Instruments]

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PCM1861, PCM1863, PCM1865

SLAS831C – MARCH 2014 – REVISED AUGUST 2014

www.ti.com

Pin Assignments, PCM1861 (continued)

Table 1. Pin Descriptions, PCM1861 (continued)

I/O

DESCRIPTIONS

NAME

NO.

MD6

20

I

Analog MUX and

MD6

MD5

MD2

Analog MUX and Gain Select

Gain Selection:

MD5

21

I

0

SE Ch 1 (VINL1 / VINR1)

0

1

SE Ch 2 (VINL2 / VINR2)

0

1

0

SE Ch 3 (VINL3 / VINR3)

0

1

SE Ch 4 (VINL4 / VINR4)

1

0

SE Ch 4 with 12dB gain

1

0

1

SE Ch 4 with 32dB gain

1

0

Diff Ch 1 (VIN1P / VIN1M, VIN2P / VIN2M)

1

Diff Ch 2 (VIN3P / VIN3M, VIN4P / VIN4M) with

12dB gain

MD4

22

I

Audio Format: high = Left Justified, low = I2S

MD2

23

I/O

Configuration (See MD6, MD5)

MD3

24

I

Filter Select: 0 = FIR Decimation Filter, 1 = IIR Short Latency Decimation Filter

MD1

25

I

Audio Interface

MD1

MD0

Interface Mode

Mode:

MD0

26

I

0

Slave Mode, 256fS, 384fS, 512fS Auto Detect

0

1

Master Mode (512fS)

1

0

Master Mode (384fS)

1

Master Mode (256fS)

VINL4/VIN4M

27

I

Analog input 4, L-channel (or Differential M input for input 4)

VINR4/VIN3M

28

I

Analog input 4, R-channel (or Differential M input for input 3)

VINL3/VIN4P

29

I

Analog input 3, L-channel (or Differential P input for input 4)

VINR3/VIN3P

30

I

Analog input 3, R-channel (or Differential P input for input 3)

6

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