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AK5356VN

Low Power 20-Bit ADC with MIC-Amp & PGA

Asahi Kasei Microdevices 

ASAHI KASEI

[AK5356]

Parameter

Power Supplies

Power Supply Voltage:

Normal Operation (PDN=“H”) (Note 14)

MVDD (Note 15)

AVDD+DVDD

Power-Down Mode (PDN=“L”) (Note 16)

MVDD + AVDD + DVDD

min

typ

max

Units

3.4

5

mA

6

9

mA

10

100

µA

Note 6. PREL and PRER pins

Note 7. PRENL and PRENR pins. Gain of Pre-Amp is +33dB. Input resistance of Pre-Amp is changed by gain.

Gain = +13dB: 1.9kΩ(typ), Gain = +18dB: 1.1kΩ(typ), Gain = +28dB: 340Ω(typ)

Note 8. A maximum output voltage is the value which fills “THD+N ≤ 0.1%”. It is almost in proportion to MVDD voltage.

-1.5dBV = 2.38Vpp = (MVDD x 0.88)Vpp (typ)

Note 9. PSR is applied to MVDD with 1kHz, 50mVpp.

Note 10. Output voltage is proportional to MVDD voltage and it is typically (MVDD x 0.8) V.

Note 11. ADC is input from MICL/MICR or LIN/RIN and it measures included in IPGA. Internal HPF cancels the offset

of IPGA and ADC.

Note 12. Analog input voltage (Full-scale voltage: IPGA = 0dB) is proportional to AVDD voltage.

IPGA = ADC = (0.6 x AVDD) Vpp (typ)

Note 13. This value is interchannel isolation between LIN and RIN or between MICL and MICR.

Note 14. All blocks in the AK5356 are powered-up. (PMMIC=PMADC= “1”)

Note 15. MPWR pin supplies 0mA.

Note 16. In case of power-down mode, all digital input pins including clocks pins (MCLK, BCLK and LRCK) are held at

DVDD or DVSS. PDN pin is held at DVSS.

MS0171-E-00

-7-

2002/08

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