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WM8731CLSEFL/R
WM8731CLSEFL/R - Brand New Cirrus Logic Interface - CODECs
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
WM8731CLSEFL/R Description
Interface - CODECs Stereo Codec with H/P
The WM8731 or WM8731L (WM8731/L) are low power stereo CODECs with an
integrated headphone driver. The
WM8731/L is designed specifically for portable MP3 audio and speech players
and recorders. The WM8731 is also
ideal for MD, CD-RW machines and DAT recorders.
Stereo line and mono microphone level audio inputs are provided, along with a
mute function, programmable line
level volume control and a bias voltage output suitable for an electret type
microphone.
Stereo 24-bit multi-bit sigma delta ADCs and DACs are used with oversampling
digital interpolation and decimation filters.
Digital audio input word lengths from 16-32 bits and sampling rates from 8kHz
to 96kHz are supported.
Stereo audio outputs are buffered for driving headphones from a programmable
volume control, line level outputs are
also provided along with anti-thump mute and power up/down circuitry.
The device is controlled via a 2 or 3 wire serial interface.
The interface provides access to all features including volume controls,
mutes, de-emphasis and extensive power management facilities. The device is
available in a small 28- lead SSOP package or the smaller 28 lead quad flat
leadless package (QFN).
WM8731CLSEFL/R Features
Highly Efficient Headphone Driver
Audio Performance
- ADC SNR 90dB (‘A’ weighted) at 3.3V, 85dB at 1.8V
- DAC SNR 100dB (‘A’ weighted) at 3.3V, 95dB at 1.8V
Low Power
- Playback only 22mW, 8mW (‘L’ Variant)
- Analogue Pass Through 12mW, 3.5mW (‘L’ variant)
- 1.42 – 3.6V Digital Supply Operation
- 2.7 – 3.6V Analogue Supply Operation
- 1.8 – 3.6V Analogue Supply Operation (‘L’ Variant)
ADC and DAC Sampling Frequency: 8kHz – 96kHz
Selectable ADC High Pass Filter
2 or 3-Wire MPU Serial Control Interface
Programmable Audio Data Interface Modes
- I2
S, Left, Right Justified or DSP
- 16/20/24/32 bit Word Lengths
- Master or Slave Clocking Mode
Microphone Input and Electret Bias with Side Tone Mixer
Available in 28-lead SSOP or 28-lead QFN package
WM8731CLSEFL/R Applications
• Portable MP3 Players and Recorders
• CD and Minidisc Recorders
• PDAs / smartphones
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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