AKD5700 datasheet(1/61 Pages) AKM

Part #	AKD5700

Description	16-Bit ?誇 Mono ADC with PLL & MIC-AMP

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Manufacturer	AKM [Asahi Kasei Microsystems]

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ASAHI KASEI

[AK5700]

MS0569-E-01

2006/12

- 1 -

GENERAL DESCRIPTION

The AK5700 features a 16-bit mono 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 AK5700 is available in a

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

FEATURES

1. Resolution: 16bits

2. Recording Function

- Input Selector

- Full-differential or Single-ended Input

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

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

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

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

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

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

- Digital ALC (Automatic Level Control)

(+36dB

∼ −54dB, 0.375dB Step, Mute)

3. Sampling Rate:

- PLL Slave Mode (EXLRCK pin): 7.35kHz

∼ 48kHz

- PLL Slave Mode (EXBCLK pin): 7.35kHz

∼ 48kHz

- PLL Slave Mode (MCKI pin):

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

- PLL Master Mode:

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

- EXT Slave Mode:

7.35kHz

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

4. PLL Input Clock:

- MCKI pin:

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

11.2896MHz

- EXLRCK pin: 1fs

- EXBCLK pin: 32fs/64fs

5. Master/Slave mode

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

- DSP Mode, 16bit MSB justified, I

2S

7.

μP I/F: 3-wire Serial

8. Power Supply:

- AVDD: 2.4

∼ 3.6V

- DVDD: 1.6

∼ 3.6V

9. Power Supply Current: 6mA

10. Ta =

−30 ∼ 85°C

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

12. Pin and Register compatible with AK5701 Stereo Version

16-Bit ΔΣ Mono ADC with PLL & MIC-AMP

AK5700

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