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AK4556 Fiches technique (PDF) - Asahi Kasei Microsystems

AK4556 Datasheet PDF - Asahi Kasei Microsystems
No de pièce AK4556
Télécharger  AK4556 Télécharger

Taille du fichier   182.07 Kbytes
Page   22 Pages
Fabricant  AKM [Asahi Kasei Microsystems]
Site Internet  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems
Description 3V 192kHz 24Bit ?誇 CODEC

AK4556 Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
AK4556 Datasheet PDF - Asahi Kasei Microsystems

No de pièce AK4556
Télécharger  AK4556 Click to download

Taille du fichier   182.07 Kbytes
Page   22 Pages
Fabricant  AKM [Asahi Kasei Microsystems]
Site Internet  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems
Description 3V 192kHz 24Bit ?誇 CODEC

AK4556 Fiches technique (HTML) - Asahi Kasei Microsystems

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AK4556 Détails du produit

GENERAL DESCRIPTION

The AK4556 is a low voltage 24bit 192kHz CODEC for high performance battery powered digital audio

subsystems. The dynamic performance to power supply voltage ratio is very high, attaining 103dB and

106dB SNR for ADC and DAC, respectively. Sampling rates up to 216kHz are supported. The AK4556

reduces jitter sensitivity by using an integrated switched-capacitor filter. The analog inputs and outputs

are single-ended to minimize pin count and external filtering requirements. Packaged in a very small

20-pin TSSOP, the AK4556 is ideal for space-sensitive applications.



FEATURES

□ Single-ended ADC

   - Dynamic Range, S/N: 103dB@VA=3.0V

   - S/(N+D): 91dB@VA=3.0V

   - HPF for DC-offset cancel (fc = 1Hz @ fs=48kHz)

   - HPF can be disabled

□ Single-ended DAC

   - Dynamic Range, S/N: 106dB@VA=3.0V

   - S/(N+D): 90dB@VA=3.0V

   - Digital de-emphasis for 32kHz, 44.1kHz and 48kHz sampling

□ Audio I/F format: MSB First, 2’s Complement

   - ADC: 24bit MSB justified or I2S compatible

   - DAC: 24bit MSB justified, 24bit LSB justified or I2S compatible

□ Input/Output Voltage: ADC = 2.1Vpp @ VA=3.0V

                                 DAC = 2.1Vpp @ VA=3.0V

□ Master/Slave mode

□ Sampling Rate:

   - Normal Speed: 8kHz to 54kHz (256fs or 512fs)

                         8kHz to 48kHz (384fs or 768fs)

   - Double Speed: 54kHz to 108kHz (256fs)

                         48kHz to 96kHz (384fs)

   - Quad Speed: 108kHz to 216kHz (128fs)

                       96kHz to 192kHz (192fs)

† Master Clock:

   - Slave mode: 256fs, 384fs, 512fs or 768fs (Normal Speed)

      256fs or 384fs (Double Speed)

      128fs or 192fs (Quad Speed)

   - Master mode: 256fs or 512fs (Normal Speed)

      256fs (Double Speed)

      128fs (Quad Speed)

□ Power Supply: 2.4 to 3.6V (Normal Speed, Double Speed)

                         2.7 to 3.6V (Quad Speed)

□ Power Supply Current: 27.5mA

□ Ta = -40 to 85°C

□ Very Small Package: 20pin TSSOP

□ Upper compatible with AK4552



 




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