TDA4657 Datasheet, PDF (11/17 Pages) NXP Semiconductors – Generic multi-standard decoder

Philips Semiconductors
Generic multi-standard decoder
Preliminary specification
TDA4657
Table 1 Specification of quartz crystals in HC-49/U13 holder; standard application.
SYMBOL
PARAMETER
f_n
C_L
∆f_n
R_r
R_{dld max}
R_n
C₁
C₀
T_amb
∆f_n
nominal frequency
load capacitance
adjustment tolerance of f_n 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 R_{dld 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
2R_{r (+25 °C)}
14.0
3.6
−10 to +60
±20
Ω
fF
pF
°C
ppm
June 1993
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