WM9711LGEFL/V Wolfson Microelectronics, WM9711LGEFL/V Datasheet - Page 5

• Manufacturer Part Number: WM9711LGEFL/V
• Description: Audio CODECs Stereo AC'97 CODEC with H/P
• Manufacturer: Wolfson Microelectronics

Specifications of WM9711LGEFL/V

• Number Of Adc Inputs: 1
• Number Of Dac Outputs: 1
• Interface Type: AC97
• Resolution: 12 bit
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN EP
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 3
• No. Of Input Channels: 9
• No. Of Output Channels: 4
• Adc / Dac Resolution: 12bit
• Adcs / Dacs Signal To Noise Ratio: 94dB
• Sampling Rate: 48kHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
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PIN DESCRIPTION
Note: It is recommended that the QFN ground paddle should be connected to analogue ground on the application PCB.
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
41
42
43
44
45
46
47
48
1
2
3
4
5
6
7
8
9
GPIO5 / SPDIF_OUT
GPIO2 / IRQ
SDATAOUT
MONOOUT
SDATAIN
SPKGND
MICBIAS
SPKVDD
HPOUTR
RESETB
PCBEEP
HPOUTL
XTLOUT
LINEINR
LINEINL
DCVDD
PHONE
COMP1
COMP2
COMP3
HPGND
DBVDD
DGND1
BITCLK
DGND2
AGND1
AGND2
HPVDD
AVDD2
ROUT2
LOUT2
GPIO1
GPIO3
GPIO4
XTLIN
SYNC
AVDD
AGND
NAME
CREF
VREF
CAP2
OUT3
MIC1
MIC2
DNC
DNC
DNC
DNC
Analogue In / Out
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Input
Do not connect
Do not connect
Do not connect
Do not connect
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital In / Out
Digital In / Out
Digital In / Out
Digital In / Out
Digital In / Out
Digital In / Out
Digital Output
Digital Output
Digital Output
Digital Input
Digital Input
Digital Input
Digital Input
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
TYPE
Digital I/O Buffer Supply
Clock Crystal Connection 1 / External Clock Input
Clock Crystal Connection 2
Digital Ground (return path for both DCVDD and DBVDD)
Serial Data Output from Controller / Input to WM9711L
Serial Interface Clock Output to Controller
Digital Ground (return path for both DCVDD and DBVDD)
Serial Data Input to Controller / Output from WM9711L
Digital Core Supply
Serial Interface Synchronisation Pulse from Controller
Reset (Active Low, resets all registers to their default)
Reference for analogue comparators (COMP1,2,3)
Connect to AVDD
Leave this pin floating
Leave this pin floating
Leave this pin floating
Leave this pin floating
Connect to AGND
Line Input to analogue audio mixers, typically used for beeps
Phone Input (RX)
Left Microphone Input
Right Microphone Input
Left Line Input
Right Line Input
Analogue Supply (feeds audio DACs, ADCs, PGAs, mic boost,
mixers)
Analogue Ground
Internal Reference Voltage (buffered CAP2)
Bias Voltage for Microphones (buffered CAP2 × 1.8)
Comparator Input 1
Comparator Input 2
Comparator Input 3
Internal Reference Voltage (normally AVDD/2, if not overdriven)
Mono Output, intended for Phone TX signal
Speaker Ground (feeds output buffers on pins 35 and 36)
Left Output 2 (Speaker, Line or Headphone)
Right Output 2 (Speaker, Line or Headphone)
Analogue Output 3 (from AUXDAC or headphone pseudo-ground)
Speaker Supply (feeds output buffers on pins 35 and 36)
Headphone Left Output
Headphone Ground (feeds output buffers on pins 37, 39, 41)
Headphone Left Output
Chip Substrate, connect to AGND
Headphone Supply (feeds output buffers on pins 37, 39, 41)
GPIO Pin 1
GPIO Pin 2 or IRQ (Interrupt Request) Output
GPIO Pin 3
GPIO Pin 4 (On reset, pin level configures device power up status.
See Applications section for external components configuration)
GPIO Pin 5 or SPDIF Digital Audio Output
DESCRIPTION
PD Rev 4.3 August 2006
WM9711L
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