TDA4657 查看數據表（PDF） - Philips Electronics

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TDA4657

Generic multi-standard decoder

Philips Electronics 

Philips Semiconductors

Generic multi-standard decoder

Preliminary specification

TDA4657

Table 1 Specification of quartz crystals in HC-49/U13 holder; standard application.

SYMBOL

PARAMETER

fn

CL

∆fn

Rr

Rdld max

Rn

C1

C0

Tamb

∆fn

nominal frequency

load capacitance

adjustment tolerance of fn at +25 °C

resonance resistance over temperature range

in the drive level range between 10−12 W and 1.0 × 10−3 W, the

resonance resistance may not exceed (at +25 °C) the value of Rdld max

resonance resistance of unwanted response

motional capacitance (±20%)

parallel capacitance (±20%)

operating ambient temperature

frequency tolerance over temperature

VALUE

9922 520 00385

8.867570

series resonance

±20

≤ 60

tbn

UNIT

MHz

ppm

Ω

Ω

2Rr (+25 °C)

14.0

3.6

−10 to +60

±20

Ω

fF

pF

°C

ppm

June 1993

11

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