WM8740 Datasheet, PDF (4/27 Pages) Wolfson Microelectronics plc – 24-bit, High Performance 192kHz Stereo DAC

WM8740
Production Data
PIN DESCRIPTION
PIN NAME
TYPE
1
LRCIN
Digital input
2
DIN
Digital input
3
BCKIN
Digital input
4 MODE8X Digital input
5
SCLK
Digital input
6 DIFFHW
Digital input
7
DGND
Supply
8
DVDD
Supply
9 AVDDR
Supply
10 AGNDR
Supply
11 VMIDR Analogue output
12 VOUTRP Analogue output
13 VOUTRN Analogue output
14 AGND
Supply
15 AVDD
Supply
16 VOUTLN Analogue output
17 VOUTLP Analogue output
18 VMIDL Analogue output
19 AGNDL
Supply
20 AVDDL
Supply
21 ZERO
Digital output
22 RSTB
Digital input
DESCRIPTION
Sample rate clock input.
Audio data serial input (except in 8XMODE when it is DINL).
Audio data bit clock input .
Internal pull-down, active high, 8 x fs mode.
System clock input.
Internal pull-down, active high, differential mono mode.
Digital ground supply.
Digital positive supply.
Analogue positive supply.
Analogue ground supply.
Mid rail right channel.
Right channel DAC output positive.
Right channel DAC output negative.
Analogue ground supply.
Analogue positive supply.
Left channel DAC output negative.
Left channel DAC output positive.
Mid rail left channel.
Analogue ground supply.
Analogue positive supply.
Infinite zero detect – active low. Open drain type output with active pull-down.
Reset input – active low. Internal pull-up.
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PD, Rev 4.4, April 2010
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