WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 5

• Manufacturer Part Number: WM8903LGEFK/RV
• Description: Audio CODECs ULTRA LOW PWR HI FI CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8903LGEFK/RV

• Audio Codec Type: Stereo Codec
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 6
• No. Of Output Channels: 8
• Adc / Dac Resolution: 24bit
• Sampling Rate: 96kHz
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Adcs / Dacs Signal To Noise Ratio: 96dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pre-Production
PIN DESCRIPTION
w
PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
1
2
3
4
5
6
7
8
9
INTERRUPT
DMIC_DAT
LINEOUTR
LINEOUTL
LINEGND
DMIC_LR
HPOUTR
DACDAT
ADCDAT
HPOUTL
MICBIAS
CPGND
HPGND
DCVDD
CPVDD
DBVDD
GPIO2/
GPIO1/
GPIO3
/ADDR
DGND
VPOS
VNEG
AGND
MCLK
AVDD
NAME
BCLK
CFB1
CFB2
SCLK
VMID
SDIN
RON
ROP
IN3R
IN2R
IN1R
LON
IN3L
IN2L
IN1L
LRC
LOP
Supply
Digital Input
Digital Input/Output
Digital Input/Output
Digital Output
Digital Input/Output
Digital Input
Digital Input/Output
Digital Output
Supply
Analogue Output
Supply
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Input
Analogue Output
Analogue Output
Analogue Input
Analogue Output
Analogue Output
Analogue Output
Supply
Analogue Output
Supply
Analogue Output
Analogue Output
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital Input/Output
Digital Input
Digital Input/Output
Supply
Supply
TYPE
Digital ground (return path for DCVDD and DBVDD)
Master clock for CODEC
GPIO2 / Digital microphone data input
GPIO1 / Digital microphone clock output
Interrupt output
Audio interface bit clock
DAC digital audio data
Audio interface left / right clock (common for ADC and DAC)
ADC digital audio data
Charge pump power supply
Charge pump flyback capacitor pin
Charge pump ground
Charge pump flyback capacitor pin
Charge pump positive supply decoupling (powers HPOUTL/R, LINEOUTL/R)
Charge pump negative supply decoupling (powers HPOUTL/R, LINEOUTL/R)
Right headphone output (line or headphone output)
Headphone ground
Left headphone output (line or headphone output)
Right line output 1 (line output)
Line-out ground
Left line output 1 (line output)
Left differential output positive side
Left differential output negative side
Analogue power supply (powers analogue inputs, reference, ADC, DAC, LOP,
LON, ROP, RON)
Midrail voltage decoupling capacitor
Analogue power return
Right differential output negative side
Right differential output positive side
Microphone bias
Right channel input 3
Right channel input 2
Right channel input 1
Left channel input 3
Left channel input 2
Left channel input 1
Control interface data Input / 2-wire acknowledge output
Control interface clock Input
GPIO3 / control interface address selection
Digital core supply
Digital buffer supply (powers audio interface and control interface)
DESCRIPTION
PP, Rev 3.1, August 2009
WM8903
5