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AK4537VN-L
AK4537VN-L - Brand New AKM 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
GENERAL DESCRIPTION
The AK4537 targeted at PDA and other low-power, small size applications. It features a 16-bit stereo CODEC with a built-in Microphone-Amplifier, Headphone-Amplifier and Speaker-Amplifier. Input circuits include a Microphone-Amplifier and an ALC (Auto Level Control) circuit. The AK4537 is available in a 52-QFN, utilizing less board space than competitive offerings.
FEATURES
1. Resolution : 16bits
2. Recording Function
• Stereo Mic Input
• Stereo Line Input
• 1st MIC Amplifier : +20dB or 0dB
• 2nd Amplifier with ALC
+27.5dB ∼ -8dB, 0.5dB Step (MIC input)
+12dB ∼ -23.5dB, 0.5dB Step (LINE input)
• ADC Performance : S/(N+D) : 79dB, DR, S/N : 83dB (MIC input)
S/(N+D) : 88dB, DR, S/N : 91dB (LINE input)
3. Playback Function
• Digital De-emphasis Filter (tc=50/15µs, fs=32kHz, 44.1kHz, 48kHz)
• Digital Volume (0dB ∼ -127dB, 0.5dB Step, Mute)
• Stereo Headphone-Amp
- S/(N+D) : 70dB, S/N : 90dB
- Output Power : [email protected] Ω (HVDD=3.3V)
- Click Noise Free at Power ON/OFF
• Mono Speaker-Amp with ALC
- S/(N+D) : [email protected] , S/N : 90dB
- BTL Output
- Output Power : [email protected] Ω (BEEP Input, HVDD=3.3V)
[email protected] Ω (MIN Input, ALC2=OFF,
HVDD=3.3V)
• Mono and Stereo Beep Inputs
• Mono Line Output
- Differential Output
- Performance : S/(N+D) : 89dB, S/N : 95dB
• Stereo Line Output
- Performance : S/(N+D) : 88dB, S/N : 92dB
4. Power Management
5. Master Clock
(1) PLL Mode
• Frequencies : 11.2896MHz, 12MHz and 12.288MHz
• Input Level : CMOS
(2) External Clock Mode
• Frequencies : 2.048MHz ∼ 12.288MHz
6. Output Master Clock Frequencies : 32fs/64fs/128fs/256fs
7. Sampling Rate :
(1) PLL mode
• 8kHz, 11.025kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
(2) External Clock mode
• 8kHz ∼ 48kHz
8. Control mode: 4-wire Serial / I2C Bus
9. Master/Slave mode
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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