AK7601AVQ datasheet(8/62 Pages) AKM

Part #	AK7601AVQ

Description	High Feature Digital Audio Processor with SRC

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Manufacturer	AKM [Asahi Kasei Microsystems]

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[AK7601A]

MS1446-J-00

2012/07

- 8 -

ADC to DAC Characteristics (single outputs)

Resolution

24

Bits

-1dBFS

80

87

dB

S/(N+D)

BW=20kHz

-60dBFS

34

DR

(-60dBFS with A-weighted)

87

96

dB

S/N

(A-weighted)

87

96

dB

Note 8. VREFHを+5.0Vに固定して、AVDD, DVDDに1kHz, 50mVppの正弦波を重畳した場合。

Note 9. 外付けCAPが10uF±30%、GNDIN 1/2の振幅が100mVppの場合の20Hz-20KHzでの値。

SRC特性

(Ta=25

°C; AVDD=5.0V, DVDD =5.0V; VSS1=VSS2=VSS3=VSS4=0V; VREFH=AVDD, fs=44.1kHz; Signal

Frequency=1kHz; 24bit Data; Measurement Frequency=20Hz

∼20kHz; unless otherwise specified)

Parameter

Symbol

min

typ

max

Unit

SRC Characteristics:

Resolution

24

Bits

Input Sample Rate

FSI

8

96

kHz

Output Sample Rate

FSO

44.1

kHz

THD+N (Input = 1kHz, 0dBFS, Note 10) FSI =48kHz

-130

-100

dB

Dynamic Range (Input = 1kHz,

−60dBFS, Note 10)

FSI = 48kHz

Dynamic Range (Input = 1kHz, -60dBFS, A-weighted, Note 10)

FSI = 48kHz

136

140

120

dB

Ratio between Input and Output Sample Rate

FSO/FSI

44.1/96

44.1/8

-

Note 10. Audio Precision System Two Cascade使用。

Parameter

min

typ

max

Unit

Power Supplies

Power Supply Current

Normal Operation (PDN pin = “H”)

AVDD

DVDD

Power-down mode (PDN pin = “L”)

AVDD+DVDD

(Note 12)

54

11

10

73

15

100

mA

µA

Note 11. 消費電流値はADC, DAC, SRC 全て動作した状態での値です。

Note 12. 静止時。クロックを含む全てのディジタル入力ピンをVSS2に固定した場合の値です。

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