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参数资料
| 型号： | AK4665AEN |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, QCC32 |
| 封装： | 5 X 5 MM, 0.50 MM PITCH, LEAD FREE, QFN-32 |
| 文件页数： | 1/52页 |
| 文件大小： | 522K |
| 代理商： | AK4665AEN |
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ASAHI KASEI
[AK4665A]
MS0440-E-01
2006/05
- 1 -
-
GENERAL DESCRIPTION
The AK4665A is a 20bit CODEC with built-in Input PGA and Headphone Amplifier. The AK4665A
includes a microphone/line input selector and an ALC circuit for input, and a stereo line output buffer,
analog volume controls and capless stereo headphone amplifier for output. The AK4665A also features
an analog mixing circuit that allows easy interfacing in mobile phone and portable communication
designs. The integrated headphone amplifier features “pop-free” power-on/off, a mute control and
delivers 31mW of power into 16
load. The AK4665A is housed in a 32pin QFN package, making it
suitable for portable applications.
FEATURE
2ch 20bit ADC
- Mono MIC-Amp: +30dB/+6dB/0dB/
6dB
- Single-ended Input
- Input Selector
- Digital ALC: +41.25dB
54dB, 0.375dB Step, Mute
- Digital HPF for DC-offset cancellation
- I/F format: 20bit MSB justified, I
2S
- S/N: 93dB
2ch 20bit DAC
- Digital ATT: 0dB
127dB, Mute, 0.5dB step (soft transition)
- Soft Mute
- Digital De-emphasis Filter: 32kHz, 44.1kHz and 48kHz
- Bass Boost
- I/F Format: I
2S, 20bit MSB justified, 20bit/16bit LSB justified
Sampling Rate: 8kHz
48kHz
System clock: 256fs/512fs
Analog Mixing Circuit
Stereo Lineout
- ALC: +19.5dB
12dB, 0.5dB step
- Analog Volume: 0dB
30dB, Mute, 2dB step
Capless Stereo Headphone Amplifier
- Output Power: 31mW x 2ch @16
- Line output mode: 1Vrms @10k
- Charge pump circuit for negative power supply
- S/N: 88dB
P Interface: 3-wire
Power Management
Power Supply:
- AVDD, DVDD, HVDD: 2.6V
3.6V
- TVDD (Digital I/O): 1.6V
3.6V
Power Supply Current: 20mA
Ta:
30 85°C
Small Package: 32pin QFN (5mm x 5mm, 0.5mm pitch)
20-Bit Stereo CODEC with MIC/HP-AMP
AK4665A
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相关代理商/技术参数 |
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| AK4666VQ | 功能描述:IC CODEC STEREO 20BIT LQFP 制造商:akm semiconductor inc. 系列:* 零件状态:上次购买时间 标准包装:1,000 |
| AK4671 | 制造商:AKM 制造商全称:AKM 功能描述:Stereo CODEC with MIC/RCV/HP-AMP |
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| AK4671EG | 制造商:AKM 制造商全称:AKM 功能描述:Stereo CODEC with MIC/RCV/HP-AMP |
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