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TDA7439
TDA7439 - Brand New STMicroelectronics Special Purpose Audio ICs
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 TDA7439 is a volume, tone (bass, mid-range and treble) and balance
(left/right) processor for high-quality audio applications in car-radio and
Hi-Fi systems. Selectable input gain is provided.
All the functions are controlled by serial bus.
The AC signal setting is obtained by resistor networks and switches combined
with operational amplifiers.
The TDA7439 employs BIPOLAR/CMOS technology to provide low distortion, low
noise and DC stepping.
Features
■ Input multiplexer
– four stereo inputs
– selectable input gain for optimal adaptation
to different sources
■ Single stereo output
■ Treble, mid-range and bass control in 2-dB
steps
■ Volume control in 1-dB steps
■ Two speaker attenuators:
– two independent speaker controls in 1-dB
steps for balance facility
– independent mute function
■ All functions are programmable via serial bus.
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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