Datasheet > AK5373

AK5373

更新时间： 2024-09-16 07:16:11

品牌	Logo	应用领域
AKM		/
页数	文件大小	规格书
53页	558K
描述
24-bit Stereo ADC with USB Interface

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AK5373 数据手册

[AK5373]

AK5373

24-bit Stereo ADC with USB Interface

GENERAL DESCRIPTION

The AK5373 is a stereo A/D converter with a USB 2.0 interface. The device includes an integrated USB

serial interface engine, a USB transceiver, an audio class processing block, endpoints, and a 24-bit

stereo audio ADC. An integrated PLL enables the use of multiple sampling frequencies. A microphone

amplifier and an integrated programmable gain amplifier are available for processing low-level signals

from an analog microphone element. An external EEP-ROM is used to store the descriptor information.

The AK5373 is housed in a 48-pin package. It is a low power device, operating from +3.3V, and

consuming just 100mW in active mode and less than 100μA in suspend mode.

FEATURES

USB 2.0 compliant (full speed audio class)

USB audio controller

USB serial interface engine

Audio class encoder/decoder

USB synchronization

Synchronous type (synchronize with 1ms SOF)

24-bit stereo A/D converter with mute control

S/(N+D) = 85dB, S/N = 91dB (AVDD=3.3V, MIC-Amp = 0dB)

S/(N+D) = 70dB, S/N = 78dB (AVDD=3.3V, MIC-Amp = +30dB)

Microphone amplifier gain:

0dB, +6dB, +12dB, +18dB, +24dB, +30dB, +36dB

Digital programmable gain: +24dB ~ -31dB, 1dB Step

Integrated PLL supports standard sampling frequencies

8kHz, 11.025kHz, 16kHz, 22.05kHz, 32kHz 44.1kHz, 48kHz

EEP-ROM interface for descriptors

External Digital Audio Interface

Power Management

Low power consumption

30mA in active mode

Less than 100μA in suspend mode

Power Supply:

Analog Power Supply (AVDD): 3.0 ~ 3.6V

Digital Power Supply (DVDD): 3.0 ~ 3.6V

Ta = -10 ~ +70°C

Package:

48pin LQFP (7 x 7 mm, 0.5mm pitch)

MS1202-E-00

2010/06

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12 3 4 5 6 7...53

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