參數(shù)資料
型號(hào)： AK4566VN
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： 20bit Stereo CODEC with built-in IPGA & HP-AMP
中文描述： 20位立體聲編解碼器內(nèi)置單親遺傳算法
文件頁(yè)數(shù)： 1/45頁(yè)
文件大?。?/td> 454K
代理商： AK4566VN
ASAHI KASEI
AKM CONFIDENTIAL
[AK4566]
REV 0.5
2002/2
- 1 -
FEATURE
The AK4566 is a 20bit CODEC with built-in Input PGA and Headphone Amplifier. The AK4566 includes
microphone/line input selector and ALC circuit for input, and Mono line output buffer, analog volume and
stereo headphone amplifier for output which is suitable for portable applications. The AK4566 also
features an analog mixing circuit that allows easy interfacing in mobile phone and portable
communication designs. The integrated headphone amplifier features “click-free” power-on/off, a mute
control and delivers 8.7mW of power into 16
load via 6.8
series resistor. The AK4566 is housed in a
28pin QFN package, making it suitable for portable applications.
FEATURE
2ch 20bit ADC
- S/N: 88dB
- Single-ended input
- 2 stereo inputs selector
- Analog input PGA: +32dB
～
-19dB, Mute, 0.5dB step (MIC input)
+20dB
～
-31dB, Mute, 0.5dB step (LINE input)
- Digital HPF for DC-offset cancellation
- I/F format: 20bit MSB justified, I
2
S
2ch 20bit DAC
- I/F Format: I
2
S, 20bit MSB justified, 20bit/16bit LSB justified
- Digital ATT: 0dB
～
-127dB, Mute, 0.5dB step (soft transition)
- Soft mute
- Digital De-emphasis Filter: 32kHz, 44.1kHz and 48kHz
- Bass Boost Function
Sampling Rate: 8kHz
～
48kHz
System clock: 256fs/384fs/512fs
- Input level: CMOS or 1Vpp Analog Input
Analog Mixing Circuit
Mono Lineout
- Analog volume: 0dB
～
-30dB, Mute, 2dB step
Headphone Amplifier
- Output Power: 8.7mW x 2ch @16
load & 6.8
series resistor
- S/N: 90dB
μP Interface: 3-wire
Power management
Power supply: 2.7V
～
3.6V
Power dissipation: 16mA
Ta: -40
～
85
°
C
Small Package: 28pin QFN (5.2mm x 5.2mm, 0.5mm pitch)
20bit Stereo CODEC with built-in IPGA & HP-AMP
AK4566
= Preliminary =
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