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WM8978GEFL
WM8978GEFL - Brand New WOLFSON IC Chips
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
DESCRIPTION
The WM8978 is a low power, high quality stereo codec designed for portable
applications such as Digital still camera or Digital Camcorder.
The device integrates preamps for stereo differential mics, and includes
drivers for speakers, headphone and differential or stereo line output.
External component requirements are reduced as no separate microphone or
headphone amplifiers are required.
Advanced on-chip digital signal processing includes a 5-band equaliser, a
mixed signal Automatic Level Control for the microphone or line input through
the ADC as well as a purely digital limiter function for record or playback.
Additional digital filtering options are available in the ADC path, to cater
for application filtering such as ‘wind noise reduction’.
The WM8978 CODEC can operate as a master or a slave. An internal PLL can
generate all required audio clocks for the Codec from common reference clock
frequencies, such as 12MHz and 13MHz.
FEATURES
• Stereo Codec:
• DAC SNR 98dB, THD -84dB (‘A’ weighted @ 48kHz)
• ADC SNR 90dB, THD -80dB (‘A’ weighted @ 48kHz)
• On-chip Headphone Driver with ‘capless’ option
- 40mW output power into 16Ω / 3.3V SPKVDD
• 0.9W output power into 8Ω BTL speaker / 5V SPKVDD
- Capable of driving piezo speakers
- Stereo speaker drive configuration
• Mic Preamps:
• Stereo Differential or mono microphone Interfaces
- Programmable preamp gain
- Psuedo differential inputs with common mode rejection
- Programmable ALC / Noise Gate in ADC path
• Low-noise bias supplied for electret microphones
• Other features:
• Enhanced 3-D function for improved stereo separation
• Digital playback limiter
• 5-band Equaliser (record or playback)
• Programmable ADC High Pass Filter (wind noise reduction)
• Programmable ADC Notch Filter
• Aux inputs for stereo analog input signals or ‘beep’
• On-chip PLL supporting 12, 13, 19.2MHz and other clocks
• Low power, low voltage
- 2.5V to 3.6V (digital core: 1.62V to 3.6V)
- power consumption <30mW all-on with 2.5V supplies
• 5x5mm 32-pin QFN package
APPLICATIONS
• Stereo Camcorder or DSC
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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