WM8900LGEFK/RV Wolfson Microelectronics, WM8900LGEFK/RV Datasheet - Page 6

• Manufacturer Part Number: WM8900LGEFK/RV
• Description: Audio CODECs Ultra Low Power Hi-Fi CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8900LGEFK/RV

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8900
PIN DESCRIPTION
Note:
AGND on the application PCB.
w
It is recommended that the PCB is laid out with a single ground plane. The QFN ground paddle should be tracked directly to
PIN NO
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
ADCLRC / GPIO
RINPUT3 / JD
MODE / GPIO
LINPUT3 / JD
LINEOUT_2R
LINEOUT_1R
LINEOUT_2L
LINEOUT_1L
AUX / LCOM
CSB / GPIO
CPVDDLO
CPVDDHI
RINPUT1
RINPUT2
MICBIAS
LINPUT1
LINPUT2
ADCDAT
DACDAT
DACLRC
CPGND
HPGND
HP_INR
DBVDD
DCVDD
HP_INL
DGND
AGND
MCLK
VPOS
VNEG
AVDD
BCLK
SCLK
HP_R
CFB1
CFB2
HP_L
VMID
SDIN
NAME
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital Input / Output
Supply
Supply
Digital Input
Supply
Digital Input / Output
Digital Output
Digital Input / Output
Digital Input
Digital Input / Output
Digital Input/Output
Digital Input
Digital Input / Output
Supply
Supply
Analogue Output
Analogue Output
Supply
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Output
Analogue Output
Supply
Analogue Output
Supply
Analogue Output
Analogue Output
Analogue Input
TYPE
Microphone Bias
Left Channel Input 1 (inverting)
Right Channel Input 1 (inverting)
Left Channel Input 2 (non-inverting)
Right Channel Input 2 (non-inverting)
Left Channel Input 3 or Jack Detect (non-inverting)
Right Channel Input 3 or Jack Detect (non-inverting)
2-wire / 3-wire control interface mode select or GPIO
Digital Buffer (I/O) Supply
Digital Ground (return path for both DCVDD and DBVDD)
Master Clock
Digital Supply (Digital Core and FLL Digital)
Audio Interface Bit Clock
ADC Digital Audio Data
Audio Interface ADC Left/Right Clock or GPIO pin
DAC Digital Audio Data
Audio Interface DAC Left / Right Clock
Control Interface Data Input / 2-wire Acknowledge output
Control Interface Clock Input
Chip select or GPIO
Lower Supply for charge pump typically 1.8v
Supply for charge pump 2.4 to 3.3v
Flyback capacitor connection 1
Headphone positive supply decoupling capacitor
Ground for Headphone Charge Pump
Flyback capacitor connection 2
Headphone negative supply decoupling capacitor
Right headphone output
Left headphone output
Headphone ground reference
Left channel input to headphone driver
Right channel input to headphone driver
Right channel line output 2
Left channel line output 2
Analogue Supply (DAC, ADC, Input Amps, Lineout, Mixers &
FLL Analogue)
Midrail Voltage Decoupling Capacitor
Analogue Ground
Left channel line output 1
Right channel line output 1
Aux Mono Input / Low noise Line input ground connection
DESCRIPTION
PD, August 2008, Rev 4.0
Production Data
6