102dB 96kHz 24-Bit ADC with 4ch Selector

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AK5367A is a high-performance 24-bit, 96kHz sampling ADC for consumer audio and digital recording applications. The AK5367A uses an Enhanced Dual-Bit modulator architecture, this analog-to-digital converter has an impressive dynamic range of 102dB with high level integration. The AK5367A has a 4-channel stereo input selector, an input Programmable Gain Amplifier with resistance. All this integration with high-performance makes the AK5367A well suited for CD and DVD recording systems. The integrated charge pump circuit can generate the negative power supply and remove the output coupling capacitor.

Key Features

1. 24bit Stereo ADC

• 4:1 0V Bias Stereo input Selector

• Digital HPF for offset cancellation (fc=1.0Hz@fs=48kHz)

• Decimation LPF: -0.2dB@ 20kHz, -3.0dB@23kHz (fs=48kHz)

• Soft Mute

• Single-end Inputs

• S/(N+D): 90dB

• DR, S/N: 102dB

• Audio I/F Format: 24bit MSB justified, I2S

2. Control Interface: I2C-Bus

3. Master Mode / Slave Mode

4. Master Clock:

• 256fs/384fs (32kHz to 96kHz)

• 512fs/768fs (32kHz to 48kHz)

5. Sampling Rate: 32kHz to 96kHz

6. Power Supply

• Analog Supply: 4.5 to 5.5V

• Digital Supply: 3.0 to 3.6V

7. Ta = -20 to 85°C

8. Package: 30pin VSOP

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Block Diagram

Block Diagram

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