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WM8973GEFL
WM8973GEFL - 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 WM8973L is a low power, high quality stereo CODEC designed for portable
digital audio applications.
The device integrates complete interfaces to stereo or mono microphones and a
stereo headphone. External component requirements are drastically reduced as
no separate microphone or headphone amplifiers are required.
Advanced on-chip digital signal processing performs graphic equaliser, 3-D
sound enhancement and automatic level control for the microphone or line
input.
The WM8973L can operate as a master or a slave, with various master clock
frequencies including 12 or 24MHz for USB devices, or standard 256fs rates
like 12.288MHz and 24.576MHz. Different audio sample rates such as 96kHz,
48kHz, 44.1kHz are generated directly from the master clock without the need
for an external PLL.
The WM8973L operates at supply voltages down to 1.8V, although the digital
core can operate at voltages down to 1.42V to save power, and the maximum for
all supplies is 3.6 Volts. Different sections of the chip can also be powered
down under software control.
The WM8973L is supplied in a very small and thin 5x5mm QFN package, ideal for
use in hand-held and portable systems.
FEATURES
• DAC SNR 98dB (‘A’ weighted), THD –84dB at 48kHz, 3.3V
• ADC SNR 95dB (‘A’ weighted), THD -82dB at 48kHz, 3.3V
• Complete Stereo / Mono Microphone Interface
- Programmable ALC / Noise Gate
• On-chip 400mW BTL Speaker Driver (mono)
• On-chip Headphone Driver
- >40mW output power on 16 / 3.3V
- THD –80dB at 20mW, SNR 90dB with 16 load
- No DC blocking capacitors required (capless mode)
• Separately mixed mono output
• Digital Graphic Equaliser
• Low Power
- 7mW stereo playback (1.8V / 1.5V supplies)
- 14mW record & playback (1.8V / 1.5V supplies)
• Low Supply Voltages
- Analogue 1.8V to 3.6V
- Digital core: 1.42V to 3.6V
- Digital I/O: 1.8V to 3.6V
• 256fs / 384fs or USB master clock rates: 12MHz, 24MHz
• Audio sample rates: 8, 11.025, 16, 22.05, 24, 32, 44.1, 48, 88.2, 96kHz
generated internally from master clock
• 5x5x0.9mm QFN package
APPLICATIONS
• MP3 Player / Recorder
• AAC/WMA/Multi-Format Player / Recorder
• Minidisc Player / Recorder
• Portable Digital Music Systems
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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