WM8522 Wolfson Microelectronics plc, WM8522 Datasheet - Page 4

• Manufacturer Part Number: WM8522
• Description: 24-bit, 192khz 6-channel Dac With 1.7vrms Line Driver
• Manufacturer: Wolfson Microelectronics plc

WM8522
PIN DESCRIPTION – 28 LEAD SSOP
Note: Digital input pins have Schmitt trigger input buffers.
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PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
SCLK/IWL
TESTREF
SDIN/DM
VOUT1R
VOUT2R
VOUT3R
CSB/I2S
VOUT1L
VOUT2L
VOUT3L
VREFN
VREFP
LRCLK
MODE
DGND
AGND
MCLK
DVDD
MUTE
AVDD
NAME
BCLK
VMID
DIN1
DIN2
DIN3
DNC
NC
NC
Digital input/output
Digital input/output
Digital input/output
Analogue output
Analogue output
Analogue output
Analogue output
Analogue output
Analogue output
Analogue output
Analogue output
Do not connect
Digital input
Digital input
Digital input
Digital input
Digital input
Digital input
Digital input
Digital input
No connect
No connect
Supply
Supply
Supply
Supply
Supply
Supply
TYPE
Control format selection
0 = Software control
1 = Hardware control
Master clock; 128, 192, 256, 384, 512 or 768fs (fs = word clock frequency)
Audio interface bit clock
Audio left/right word clock
Digital positive supply
Digital negative supply
DAC channel 1 data input
DAC channel 2 data input
DAC channel 3 data input
Do not connect
Software Mode: Serial interface Latch signal
Hardware Mode: Input Audio Data Format
Software Mode: Serial control interface clock
Hardware Mode: Audio data input word length
Software Mode: Serial interface data
Hardware Mode: De-emphasis selection
DAC Zero Flag output or DAC mute input
Test reference
DAC negative supply
DAC positive reference supply
Midrail divider decoupling pin; 10uF external decoupling
No internal connection
No internal connection
DAC channel 1 left output
DAC channel 1 right output
DAC channel 2 left output
DAC channel 2 right output
DAC channel 3 left output
DAC channel 3 right output
Analogue negative supply and substrate connection
Analogue positive supply
DESCRIPTION
PD, Rev 4.1, July 2009
Production Data
4