AK8825 查看數據表（PDF） - Asahi Kasei Microdevices

零件编号

产品描述 (功能)

比赛名单

AK8825

HD/SD Multi Format Video Encoder with 3ch DAC

Asahi Kasei Microdevices 

■ AC Timing

( AVDD=2.7-3.6V, DVDD=1.65-2.0V, PVDD1 = DVDD-3.6V, PVDD2 = DVDD-3.6V Ta: -40 -85°C)

(1) CLKIN

(1-1) Component Video Encoder / Composite Video Encoder mode

[AK8825]

CLKIN

fCLK

tCLKL

tCLKH

VIH,VIL の 1/2 レベル

VIH

VIL

Fig. 8

CLKIN

parameter

CLKIN Pulse Width H

CLKIN Pulse Width L

Symbol

fCLK

tCLKH

tCLKL

min

Typ

max

unit

Note

74.25

27

4.04

15.0

4.04

15.0

MHz

nsec

nsec

74.25 / 74.175MHz

27MHz(*)

74.25/74.175MHz

27MHz

74.25 / 74.175MHz

27MHz

(*) Accuracy of frequency may affect to color display.

(1-2) Video DAC mode

parameter

CLKIN

CLKIN Pulse Width H

CLKIN Pulse WIdth L

Symbol

min

typ

max

unit

fCLK

6

tCLKH

7.4

tCLKL

7.4

54

MHz

nsec

nsec

Note

Rev-E-00

18

2008/03

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