Table of Contents
Advertisement
IC BLOCK DIAGRAM & DESCRIPTION
IC109 WM8761ED (Stereo DAC)
BCKIN
3
AUDIO
1
LRCIN
INTERFACE
DIN
2
PIN
NAME
1
LRCIN
2
DIN
3
BCKIN
4
NC
5
CAP
6
VOUTR
7
GND
8
VDD
9
VOUTL
10
MUTE
11
NC
12
DEEMPH
13
FORMAT
14
MCLK
Note:
1. Digital input pins have Schmitt trigger input buffers.
13
10 12
CONTROL
INTERFACE
MUTE
DIGITAL FILTERS
MUTE
14
TYPE
Digital input
Sample rate clock input
Digital input
Serial audio data input
Digital input
Bit clock input
No connect
No internal connection
Analogue output
Analogue internal reference
Analogue output
Right channel DAC output
Supply
Negative supply
Supply
Positive supply
Analogue outpur
Left channel DAC output
Digital input
Soft mute control, Internal pull down
High Impedance = Automute
High = Mute ON
Low = Mute OFF
No connect
No internal connection
Digital input
De-emphasis select, Internal pull up
High = de-emphasis ON
Low = de-emphasis OFF
Digital input
Data input format select, Internal pull up
Low = 24-bit right justified or DSP 'late'
High = 16-24-bit I S or DSP 'early'
Digital input
Master clock input
- 12 -
SIGMA
DAC
DELTA
MODULATOR
SIGMA
DAC
DELTA
MODULATOR
8
7
DESCRIPTION
2
LOW
PASS
6 VOUTR
FILTER
LOW
PASS
9 VOUTL
FILTER
5
CAP
Advertisement
Table of Contents
