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WM8959ECS/RV, WM8959GED, WM8960

Table of contents:
Info of WM8959ECS/RV
Info of WM8959GED
Info of WM8960

WM8959ECS/RV, WM8959GED, WM8960 Selling Leads, Datasheet

MFG:WOLFSON Package Cooled:WCSP-42 D/C:08+

WM8959ECS/RV, WM8959GED, WM8960 Datasheet download

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Part Number: WM8959ECS/RV

MFG: WOLFSON

Package Cooled: WCSP-42

D/C: 08+

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WM8960 General Description

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 8 loads. 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.

WM8960 Maximum Ratings

Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at or beyond these limits. Device functional operating limits and guaranteed performance specifications are given under Electrical Characteristics at the test conditions specified.

ESD Sensitive Device. This device is manufactured on a CMOS process. It is therefore generically susceptible to damage from excessive static voltages. Proper ESD precautions must be taken during handling and storage of this device.

Wolfson tests its package types according to IPC/JEDEC J-STD-020B for Moisture Sensitivity to determine acceptable storage conditions prior to surface mount assembly. These levels are:
MSL1 = unlimited floor life at <30 / 85% Relative Humidity. Not normally stored in moisture barrier bag.
MSL2 = out of bag storage for 1 year at <30 / 60% Relative Humidity. Supplied in moisture barrier bag.
MSL3 = out of bag storage for 168 hours at <30 / 60% Relative Humidity. Supplied in moisture barrier bag.
The Moisture Sensitivity Level for each package type is specified in Ordering Information.

CONDITION	MIN	MAX
Supply voltages (excluding SPKVDD1 and SPKVDD2) SPKVDD1, SPKVDD2 Voltage range digital inputs Voltage range analogue inputs Operating temperature range, T_A Storage temperature after soldering	-0.3V -0.3V DGND -0.3V AGND -0.3V -40 -65	+4.5V +7V DBVDD +0.3V AVDD +0.3V +85 +150

Notes
1. Analogue, digital and speaker grounds must always be within 0.3V of each other.
2. All digital and analogue supplies are completely independent from each other (i.e. not internally connected).
3. DCVDD must be less than or equal to AVDD and DBVDD.
4. AVDD must be less than or equal to SPKVDD1 and SPKVDD2.
5. SPKVDD1 and SPKVDD2 must be high enough to support the peak output voltage when using DCGAIN and ACGAIN functions, to avoid output waveform clipping. Peak output voltage is AVDD*(DCGAIN+ACGAIN)/2.

WM8960 Features

• 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 8 BTL speakers
• 70dB PSRR @217Hz
• 87% efficiency (1W output)
• Flexible internal switching clock
• On-chip Headphone Driver
• 40mW output power into 16 at 3.3V
• Capless mode support
• THD -75dB at 20mW, SNR 90dB with 16 load
• Microphone Interface
• Pseudo differential for high noise immunity
• Integrated low noise MICBIAS
• Programmable ALC / Limiter & Noise Gate
• Low Power Consumption
• 10mW headphone playback (2.7V / 1.8V supplies)
• 20mW record and playback (2.7V / 1.8V supplies)
• 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

WM8960 Typical Application

• Games consoles
• Portable media / DVD players
• Mobile multimedia

WM8960 Connection Diagram

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