AK4363VF 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK4363VF

96kHz 24Bit ∆Σ DAC with PLL

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4363]

SWITCHING CHARACTERISTICS

(Ta=25°C; AVDD, DVDD=2.7∼5.5V; CL=20pF)

Parameter

Symbol

min

typ

27MHz Input (PLL mode):

Frequency

f27M

27

Pulse Width Low

t27ML

14

Pulse Width High

t27MH

14

Master Clock Input (External mode):

Frequency

128fs/256fs/512fs/1024fs

fCLK

4.096

192fs/384fs/768fs/1536fs

fCLK

6.144

Duty Cycle

dCLK

40

MCKO Output (PLL mode):

Frequency

fMCKO

4.096

Duty Cycle

dMCKO

40

Rise time (20% to 80% DVDD)

trMCKO

2

Fall time (80% to 20% DVDD)

tfMCKO

2

LRCK:

(Note 9)

Frequency

Half Speed Mode (DFS1-0 = “11”)

fsh

16

Normal Speed Mode (DFS1-0 = “00”) fsn

32

Double Speed Mode (DFS1-0 = “01”)

fsd

64

Duty Cycle

Duty

45

Serial Interface Timing:

BICK Period

Half Speed Mode

tBCK

1/128fs

Normal Speed Mode

tBCK

1/128fs

Double Speed Mode

tBCK

1/64fs

BICK Pulse Width Low

tBCKL

70

BICK Pulse Width High

tBCKH

70

BICK “↑” to LRCK Edge

(Note 10)

tBLR

40

LRCK Edge to BICK “↑”

(Note 10)

tLRB

40

SDTI Hold Time

tSDH

40

SDTI Setup Time

tSDS

40

Power-down & Reset Timing

PDN Pulse Width

(Note 11)

tPDW

150

max

24.576

36.864

60

36.864

60

24

48

96

55

Note: 9. If sampling speed mode (DFS0-1) changes, please reset by PDN pin or RSTN bit.

10. BICK rising edge must not occur at the same time as LRCK edge.

11. The AK4363 can be reset by PDN pin “L” upon power up.

If CKS0-2 or DFS0-1 changes, the AK4363 should be reset by PDN pin or RSTN bit.

Units

MHz

ns

ns

MHz

MHz

%

MHz

%

ns

ns

kHz

kHz

kHz

%

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

MS0015-E-01

- 10 -

2000/07

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