Low end Low Power 16-Bit ADC

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The AK5355VN is a low voltage 16bit A/D converter for digital audio systems. The AK5355VN also includes an Input Gain Amplifier, making it suitable for microphone applications or low-input signal levels. The analog signal input of the AK5355VN is single-ended, eliminating the need for external filters. The AK5355VN is housed in a space-saving 20pin QFN package.

Key Features

1. Resolution: 16bits

2. Recording Functions

• Gain Amplifier (0dB / +15dB)

• Digital HPF for DC-offset cancellation (fc=3.4Hz@fs=44.1kHz)

3. ADC Characteristics

• Single-ended Input

• Input Level: 1.8Vpp@VA=3.0V (= 0.6 x VA)

• S/(N+D): 85dB

• DR, S/N: 91dB

4. Master Clock: 256fs/384fs/512fs

5. Audio Data Format: MSB First, 2’s compliment

• 16bit MSB justified or I2S

8. Power Supply

• VA, VD: 2.1 to 3.6V (typ. 3.0V)

9. Power Supply Current: 5mA

10. Ta = -40 to 85°C

11. Package: 20pin QFN (4.2mm x 4.2mm, 0.5mm pitch)

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Block Diagram

Block Diagram

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