WM8973LGEFL/V Wolfson Microelectronics, WM8973LGEFL/V Datasheet - Page 6
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WM8973LGEFL/V
Manufacturer Part Number
WM8973LGEFL/V
Description
Audio CODECs Stereo Codec with H/P Spkr
Manufacturer
Wolfson Microelectronics
Datasheets
1.WM8973LGEFLV.pdf
(57 pages)
2.WM8973LGEFLV.pdf
(63 pages)
3.WM8973LGEFLV.pdf
(61 pages)
4.WM8973LGEFLV.pdf
(57 pages)
Specifications of WM8973LGEFL/V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN-32
Minimum Operating Temperature
- 25 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
WM8973L
w
PIN DESCRIPTION
Note:
It is recommended that the QFN ground paddle should be connected to analogue ground on the application PCB.
PIN NO
32
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
2
3
4
5
6
7
8
9
HPDETECT
MONOOUT
RINPUT3 /
RINPUT2
RINPUT1
ADCDAT
ADCLRC
MICBIAS
LINPUT3
LINPUT2
LINPUT1
DACDAT
DACLRC
HPGND
DCVDD
DBVDD
HPVDD
ROUT1
ROUT2
LOUT1
LOUT2
DGND
MODE
MCLK
AVDD
AGND
NAME
OUT3
VREF
BCLK
VMID
SCLK
SDIN
CSB
Digital Input
Supply
Supply
Supply
Digital Input / Output
Digital Input
Digital Input / Output
Digital Output
Digital Input / Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Supply
Analogue Output
Analogue Output
Supply
Supply
Supply
Analogue Output
Analogue Output
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital Input
Digital Input
Digital Input/Output
Digital Input
TYPE
Master Clock
Digital Core Supply
Digital Buffer (I/O) Supply
Digital Ground (return path for both DCVDD and DBVDD)
Audio Interface Bit Clock
DAC Digital Audio Data
Audio Interface Left / Right Clock/Clock Out
ADC Digital Audio Data
Audio Interface Left / Right Clock
Mono Output
Analogue Output 3 (can be used as Headphone Pseudo Ground)
Right Output 1 (Line or Headphone)
Left Output 1 (Line or Headphone)
Supply for Analogue Output Drivers (LOUT1/2, ROUT1/2)
Right Output 1 (Line or Headphone or Speaker)
Left Output 1 (Line or Headphone or Speaker)
Supply for Analogue Output Drivers (LOUT1/2, ROUT1/2, MONOUT)
Analogue Supply
Analogue Ground (return path for both AVDD)
Reference Voltage Decoupling Capacitor
Midrail Voltage Decoupling Capacitor
Microphone Bias
Right Channel Input 3 or Headphone Plug-in Detection
Left Channel Input 3
Right Channel Input 2
Left Channel Input 2
Right Channel Input 1
Left Channel Input 1
Control Interface Selection
Chip Select / Device Address Selection
Control Interface Data Input / 2-wire Acknowledge output
Control Interface Clock Input
DESCRIPTION
PD, Rev 4.5, December 2011
Production Data
6