AK8815 查看數據表（PDF） - Asahi Kasei Microdevices

零件编号

产品描述 (功能)

生产厂家

AK8815

NTSC/PAL Digital Video Encoder

Asahi Kasei Microdevices 

ASAHI KASEI

[AK8815/16]

(6) Crystal Oscillator Circuit Part

Crystal resonator and externally connecting load capacitance

Parameter

Symbol

Min

Typ

Oscillating frequency

f0

24.5454

29.5000

frequency accuracy

∆f/f

load capacitance

CL

15

effective equivalent resistance

Re

parallel capacitance

C0

externally connecting load

capacitance on XTLI pin

CXI

18

externally connecting load

capacitance on XTLO pin

CXO

22

Note 1 ) effective equivalent resistance is generally given as

Re = R1 x ( 1 + CO / CL ) square

Where R1 : equivalent series resistance of crystal resonator

CO : parallel capacitance of crystal resonator

Circuit connection example

Max

+/-50

100

0.85

Units

[MHz]

[ppm]

[pF]

[Ω]

[pF]

[pF]

[pF]

Conditions

Note1)

gm

Rf

AK8815

XTLI

XTLO

Rd

CXI

=18pF

CXO

=22pF

rd: Please refer the X’tal specification

MS0331-E-00

8

2004 / 08

Share Link: