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YDA135-V
YDA135-V - Brand New YAMAHA 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
Outline
YDA135 is digital audio power amplifier controller IC that is output power of
20W/channel on a 12V power supply operation.
This IC is combined with the general purpose Power MOSFET (hereafter called
Power MOSFET) that are connected through BTL can configure an audio power
amplifier with output power of 5W or 20W. This IC accepts analog signal,
converts it into digital pulse signal by the digital modulation circuitry and
outputs the digital pulse signal for driving Power MOSFET. The Power MOSFET
that is driven by this IC outputs large current digital pulses. The digital
pulse signal is converted to audio signal through an external low pass filter,
and sent to the speakers.
**By using a general purpose Power MOSFET, very low cost digital
amplifier system is configured. By adapting Yamaha's proprietary modulation system, the device provides low distortion and high signal to noise ratio at the highest level among digital amplifiers in the equiralent class.**
This IC has the overcurrent detection function that detects overcurrent state
by voltage drop of external resistors that detects the output current.
This IC has the high temperature detection function that detects high
temperature by resistor value change of external element that detects
temperature.
**The operation of this IC is limited by using two control signal, SLEEP
or MUTE. SLEEP signal stops all functions of this IC, and restrain to the power consumption at the minimum. MUTE signal brings Power MOSFET into nonconductive state, and mute the output of the device.**
This IC is configured by two power supply ; 5V for signal processing circuits, and 12V for Power MOSFET driving circuits.
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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