ak4626a AKM Semiconductor, Inc., ak4626a Datasheet

ak4626a

Manufacturer Part Number

ak4626a

Description

High Performance Multi-channel Audio Codec

Manufacturer

AKM Semiconductor, Inc.

Datasheet

1.AK4626A.pdf (40 pages)

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Bonase Electronics (HK) Co., Limited

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ak4626aVQ

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ASAHI KASEI

The AK4626A is a single chip CODEC that includes two channels of ADC and six channels of DAC. The

ADC outputs 24bit data and the DAC accepts up to 24bit input data. The ADC has the Enhanced Dual Bit

architecture with wide dynamic range. The DAC introduces the newly developed Advanced Multi-Bit

architecture, and achieves wider dynamic range and lower outband noise. An auxiliary digital audio input

interface maybe used instead of the ADC for passing audio data to the primary audio output port. Control

may be set directly by pins or programmed through a separate serial interface.

The AK4626A has a dynamic range of 102dB for ADC, 106dB for DAC and is well suited for digital

surround for home theater and car audio. An AC-3 system can be built with a IEC60958(SPDIF) receiver

such as the AK4112B. The AK4626A is available in a small 44pin LQFP package which will reduce

system space.

MS0397-E-00

*AC-3 is a trademark of Dolby Laboratories.

2ch 24bit ADC

6ch 24bit DAC

High Jitter Tolerance

TTL Level Digital I/F

3-wire Serial and I

Master clock:256fs, 384fs or 512fs for fs=32kHz to 48kHz

Power Supply: 4.5 to 5.5V

Power Supply for output buffer: 2.7 to 5.5V

Small 44pin LQFP

AK4626 Pin Compatible

High Performance Multi-channel Audio CODEC

- 64x Oversampling

- Sampling Rate up to 96kHz

- Linear Phase Digital Anti-Alias Filter

- Single-Ended Input

- S/(N+D): 92dB

- Dynamic Range, S/N: 102dB

- Digital HPF for offset cancellation

- I/F format: MSB justified, I

- Overflow flag

- 128x Oversampling

- Sampling Rate up to 192kHz

- 24bit 8 times Digital Filter

- Single-Ended Outputs

- On-chip Switched-Capacitor Filter

- S/(N+D): 90dB

- Dynamic Range, S/N: 106dB

- I/F format: MSB justified, LSB justified(20bit,24bit), I

- Individual channel digital volume with 128 levels and 0.5dB step

- Soft mute

- De-emphasis for 32kHz, 44.1kHz and 48kHz

- Zero Detect Function

128fs, 192fs or 256fs for fs=64kHz to 96kHz

128fs for fs=120kHz to 192kHz

GENERAL DESCRIPTION

C Bus µP I/F for mode setting

FEATURES

- 1 -

S or TDM

AK4626A

S or TDM

[AK4626A]

2005/06

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