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WM8960 PDF даташит

Спецификация WM8960 изготовлена ​​​​«Wolfson Microelectronics» и имеет функцию, называемую «Stereo CODEC».

Детали детали

Номер произв WM8960
Описание Stereo CODEC
Производители Wolfson Microelectronics
логотип Wolfson Microelectronics логотип 

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WM8960 Даташит, Описание, Даташиты
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WM8960
Stereo CODEC with 1W Stereo Class D Speaker Drivers and
Headphone Drivers for Portable Audio Applications
DESCRIPTION
FEATURES
The WM8960 is a low power, high quality stereo CODEC
designed for portable digital audio applications.
Stereo class D speaker drivers provide 1W per channel into 8
loads with a 5V supply. Low leakage, excellent PSRR and
pop/click suppression mechanisms also allow direct battery
connection to the speaker supply. Flexible speaker boost
settings allow speaker output power to be maximised while
minimising other analogue supply currents.
A highly flexible input configuration for up to three stereo
sources is integrated, with a complete microphone interface.
External component requirements are drastically reduced as no
separate microphone, speaker or headphone amplifiers are
required. Advanced on-chip digital signal processing performs
automatic level control for the microphone or line input.
Stereo 24-bit sigma-delta ADCs and DACs are used with low
power over-sampling digital interpolation and decimation filters
and a flexible digital audio interface.
The master clock can be input directly or generated internally by
an onboard PLL, supporting most commonly-used clocking
schemes.
The WM8960 operates at analogue supply voltages down to
2.7V, although the digital supplies can operate at voltages down
to 1.71V to save power. The speaker supply can operate at up
to 5.5V, providing 1W per channel into 8loads. Unused
functions can be disabled using software control to save power.
The WM8960 is supplied in a very small and thin 5x5mm QFN
package, ideal for use in hand-held and portable systems.
DAC SNR 98dB (‘A’ weighted), THD -84dB at 48kHz, 3.3V
ADC SNR 94dB (‘A’ weighted), THD -82dB at 48kHz, 3.3V
Pop and click suppression
3D Enhancement
Stereo Class D Speaker Driver
- <0.1% THD with 1W per channel into 8BTL speakers
- 70dB PSRR @217Hz
- 87% efficiency (1W output)
- Flexible internal switching clock
On-chip Headphone Driver
- 40mW output power into 16at 3.3V
- Capless mode support
- THD -75dB at 20mW, SNR 90dB with 16load
Microphone Interface
- Pseudo differential for high noise immunity
- Integrated low noise MICBIAS
- Programmable ALC / Limiter and Noise Gate
Low Power Consumption
Low Supply Voltages
- Analogue 2.7V to 3.6V (Speaker supply up to 5.5V)
- Digital core and I/O: 1.71V to 3.6V
On-chip PLL provides flexible clocking scheme
Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48
5x5x0.9mm QFN package
APPLICATIONS
Games consoles
Portable media / DVD players
Mobile multimedia
DGND
DCVDD
LINPUT3/
JD2
Jack Detect
LINPUT2
LINPUT1
vmid
RINPUT1
vmid
RINPUT2
-17.25 to +30dB,
0.75dB steps
+
-12 -> 6dB,
3dB steps,
mute
-
INPUT
PGAs
-
0, 13, 20,
29dB,
mute
0, 13, 20,
29dB,
mute
+
-17.25 to +30dB,
0.75dB steps
-12 -> 6dB,
3dB steps,
mute
-12 -> 6dB,
3dB steps,
mute
+
+
-12 -> 6dB,
3dB steps,
mute
ADC
ADC
RINPUT3/
JD3
MICBIAS
Jack Detect
50K 50K
ADCREF,
DACREF
DBVDD
ADC
DIGITAL
FILTERS
ALC
VOLUME
DAC
DIGITAL
FILTERS
DE-
EMPHASIS
3D ENHANCE
VOLUME
DIGITAL AUDIO
INTERFACE
A-law and u-law support
0 to -21dB,
3dB steps
0 to -21dB,
3dB steps
DAC
DAC
0 to -21dB,
3dB steps
0 to -21dB,
3dB steps
GPIO1
PLL
W
WM8960
LEFT
MIXER
MONO
MIXER
CLASS D
SPKVDD1
SPKVDD2
SPK_LP
-73 to 6dB
1dB steps,
mute
+BOOST
SPK_LN
-73 to 6dB
1dB steps,
mute
0dB / -6dB
HP_L
OUT3
RIGHT
MIXER
HP_R
-73 to 6dB
1dB steps,
mute
CLASS D
SPK_RN
CONTROL
INTERFACE
-73 to 6dB
1dB steps,
mute
+BOOST
SPK_RP
SPKGND1
SPKGND2
WOLFSON MICROELECTRONICS plc
Production Data, August 2013, Rev 4.2
Copyright 2013 Wolfson Microelectronics plc









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WM8960 Даташит, Описание, Даташиты
WM8960
Production Data
TABLE OF CONTENTS
DESCRIPTION....................................................................................................... 1 
FEATURES ............................................................................................................ 1 
APPLICATIONS..................................................................................................... 1 
TABLE OF CONTENTS......................................................................................... 2 
PIN CONFIGURATION .......................................................................................... 3 
ORDERING INFORMATION.................................................................................. 3 
PIN DESCRIPTION................................................................................................ 4 
ABSOLUTE MAXIMUM RATINGS ........................................................................ 5 
RECOMMENDED OPERATING CONDITIONS..................................................... 5 
ELECTRICAL CHARACTERISTICS ..................................................................... 6 
OUTPUT PGA GAIN............................................................................................ 10 
TYPICAL POWER CONSUMPTION.................................................................... 11 
SIGNAL TIMING REQUIREMENTS .................................................................... 13 
SYSTEM CLOCK TIMING.............................................................................................. 13 
AUDIO INTERFACE TIMING – MASTER MODE .......................................................... 13 
AUDIO INTERFACE TIMING – SLAVE MODE.............................................................. 14 
CONTROL INTERFACE TIMING – 2-WIRE MODE....................................................... 15 
INTERNAL POWER ON RESET CIRCUIT .......................................................... 16 
DEVICE DESCRIPTION ...................................................................................... 18 
INTRODUCTION ............................................................................................................ 18 
INPUT SIGNAL PATH .................................................................................................... 19 
ANALOGUE TO DIGITAL CONVERTER (ADC) ............................................................ 26 
AUTOMATIC LEVEL CONTROL (ALC) ......................................................................... 28 
OUTPUT SIGNAL PATH ................................................................................................ 31 
ANALOGUE OUTPUTS ................................................................................................. 37 
ENABLING THE OUTPUTS ........................................................................................... 41 
HEADPHONE OUTPUT ................................................................................................. 41 
CLASS D SPEAKER OUTPUTS .................................................................................... 42 
VOLUME UPDATES ...................................................................................................... 43 
HEADPHONE JACK DETECT ....................................................................................... 45 
THERMAL SHUTDOWN ................................................................................................ 46 
GENERAL PURPOSE INPUT/OUTPUT ........................................................................ 47 
DIGITAL AUDIO INTERFACE........................................................................................ 48 
AUDIO INTERFACE CONTROL .................................................................................... 52 
CLOCKING AND SAMPLE RATES................................................................................ 56 
CONTROL INTERFACE................................................................................................. 63 
POWER MANAGEMENT ............................................................................................... 63 
REGISTER MAP .................................................................................................. 67 
REGISTER BITS BY ADDRESS .................................................................................... 68 
DIGITAL FILTER CHARACTERISTICS .............................................................. 82 
ADC FILTER RESPONSES ........................................................................................... 83 
DAC FILTER RESPONSES ........................................................................................... 83 
DE-EMPHASIS FILTER RESPONSES .......................................................................... 85 
APPLICATIONS INFORMATION ........................................................................ 86 
RECOMMENDED EXTERNAL COMPONENTS ............................................................ 86 
IMPORTANT NOTICE ......................................................................................... 90 
ADDRESS: ..................................................................................................................... 90 
REVISION HISTORY ........................................................................................... 91 
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PD, August 2013, Rev 4.2
2









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WM8960 Даташит, Описание, Даташиты
Production Data
PIN CONFIGURATION
32 31 30 29 28 27 26 25
MICBIAS 1
LINPUT3/JD2 2
LINPUT2 3
LINPUT1 4
RINPUT1 5
RINPUT2 6
RINPUT3/JD3 7
DCVDD 8
TOP VIEW
24 SPKGND1
23 SPK_LN
22 SPK_RP
21 SPKVDD2
20 SPKGND2
19 SPK_RN
18 SDIN
17 SCLK
9 10 11 12 13 14 15 16
WM8960
ORDERING INFORMATION
ORDER CODE TEMPERATURE RANGE
PACKAGE
WM8960CGEFL/V
-40C to +85C
32-lead QFN (5x5x0.9mm)
(Pb-free)
WM8960CGEFL/RV
-40C to +85C
32-lead QFN (5x5x0.9mm)
(Pb-free, Tape and reel)
WM8960CGEFL/2RV
-40C to +85C
32-lead QFN (5x5x0.9mm)
(Pb-free, Tape and reel)
Note:
Reel quantity = 3500 (WM8960CGEFL/V and WM8960CGEFL/RV)
Reel quantity = 2200 (WM8960CGEFL/2RV)
MOISTURE
SENSITIVITY LEVEL
MSL3
MSL3
MSL3
PEAK SOLDERING
TEMPERATURE
260°C
260°C
260°C
w
PD, August 2013, Rev 4.2
3










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