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參數(shù)資料
型號(hào): AK4569VN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 20-Bit Stereo CODEC with IPGA & HP-AMP
中文描述: 20位立體聲編解碼器與單親遺傳算法
文件頁(yè)數(shù): 1/45頁(yè)
文件大小: 474K
代理商: AK4569VN
ASAHI KASEI
[AK4569]
MS0292-E-01
2005/07
- 1 -
GENERAL DESCRIPTION
The AK4569 is a 20bit CODEC with built-in Input PGA and Headphone Amplifier. The AK4569 includes a
microphone/line input selector and an ALC circuit for input, and a Mono line output buffer, analog volume
controls and stereo headphone amplifier for output. The AK4569 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 8.7mW of power into
16
load via 6.8
series resistor. The AK4569 is housed in a 28pin QFN package, making it suitable for
portable applications.
FEATURE
2ch 20bit ADC
- S/N: 89dB
- 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: 15mA
Ta:
40
85
°
C
Small Package: 28pin QFN (5.2mm x 5.2mm, 0.5mm pitch)
20-Bit Stereo CODEC with IPGA & HP-AMP
AK4569
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