ak5701 AKM Semiconductor, Inc., ak5701 Datasheet

ak5701

Manufacturer Part Number

ak5701

Description

16-bit ?? Stereo Adc With Pll & Mic-amp

Manufacturer

AKM Semiconductor, Inc.

Datasheet

1.AK5701.pdf (64 pages)

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Download datasheet (968Kb)

The AK5701 features a 16-bit stereo ADC. Input circuits include a Microphone-Amplifier and an ALC

(Auto Level Control) circuit that is suitable for portable application with recording function. On-chip PLL

supports base-band clock of mobile phone, therefore it is easy to connect with DSP. The AK5701 is

available in a 24pin QFN, utilizing less board space than competitive offerings.

MS0404-E-02

1. Resolution: 16bits

2. Recording Function

3. Sampling Rate:

4. PLL Input Clock:

5. Master/Slave mode

6. Audio Interface Format: MSB First, 2’s compliment

7. μP I/F: 3-wire Serial

8. Power Supply:

9. Power Supply Current: 8mA

10. AK5701VN: Ta = −30 ∼ 85°C

11. Package: 24pin QFN (4mm x 4mm)

AK5701KN: Ta = −40 ∼ 85°C

- 2 Stereo Input Selector

- Full-differential or Single-ended Input

- MIC Amplifier (+30dB/+15dB or 0dB)

- Input Voltage: 1.8Vpp@VA=3.0V (= 0.6 x AVDD)

- ADC Performance: S/(N+D): 78dB, DR, S/N: 89dB@MGAIN=0dB

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

- Digital ALC (Automatic Level Control)

- PLL Slave Mode (EXLRCK pin): 7.35kHz ∼ 48kHz

- PLL Slave Mode (EXBCLK pin): 7.35kHz ∼ 48kHz

- PLL Slave Mode (MCKI pin):

- PLL Master Mode:

- EXT Slave Mode:

- MCKI pin:

- EXLRCK pin: 1fs

- EXBCLK pin: 32fs/64fs

- DSP Mode, 16bit MSB justified, I

- AVDD: 2.4 ∼ 3.6V

- DVDD: 1.6 ∼ 3.6V

27MHz, 26MHz, 24MHz, 19.2MHz, 13.5MHz, 13MHz, 12.288MHz, 12MHz,

11.2896MHz

8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz

7.35kHz ∼ 48kHz (256fs), 7.35kHz ∼ 26kHz (512fs), 7.35kHz ∼ 13kHz (1024fs)

(+36dB ∼ −54dB, 0.375dB Step, Mute)

16-Bit ΔΣ Stereo ADC with PLL & MIC-AMP

S/(N+D): 77dB, DR, S/N: 87dB@MGAIN=+15dB

S/(N+D): 72dB, DR, S/N: 77dB@MGAIN=+30dB

GENERAL DESCRIPTION

FEATURES

- 1 -

AK5701

[AK5701]

2007/08

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