AK7746 datasheet(14/62 Pages) AKM

Part #	AK7746

Description	Audio DSP with 5-channel 24-bit ADC and Input Mux

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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14 / 62 page

[ASAHI KASEI]

[AK7746]

[MS0369-E00]

- 14 -

2004/12

5-3) Audio Interface

(AVDD=DVDD=3.0~3.6V,Ta=-40

°C ~85°C,CL=20pF)

Parameter

Symbol

min

typ

max

Unit

Slave mode

BITCLK_I frequency

fBCLK

48

64

fs

Delay time from BITCLK_I"

↑" to LRCLK_I

Note1)

tBLRD

40

ns

Delay time from LRCLK_I to BITCLK_I "

↑"

Note1)

tLRBD

40

ns

Delay time from LRCLK_O to serial data output

tLRD

40

ns

Delay time from BITCLK_O to serial data output tBSOD

40

ns

Serial data input latch setup time

tBSIDS

40

ns

Serial data input latch hold time

tBSIDH

40

ns

Master mode

BITCLK_O frequency

fBCLK

64

fs

BITCLK_O duty factor

50

%

Delay time from LRCLK_O to serial data output

tLRD

40

ns

Delay time from BITCLK_O to serial data output tBSOD

40

ns

Serial data input latch setup time

tBSIDS

40

ns

Serial data input latch hold time

tBSIDH

40

ns

Note 1) This feature is to avoid LRCLK_I edge and BITCLK_I "

↑“edge.

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AK7746 Datasheet(PDF) 14 Page - Asahi Kasei Microsystems

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