TDA1592 Просмотр технического описания (PDF) - Philips Electronics
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TDA1592 Datasheet PDF : 20 Pages
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Philips Semiconductors
PLL stereo decoder and noise blanker
Preliminary specification
TDA1592
SYMBOL
PARAMETER
CONDITIONS
α114
α190
PSRR
ACI (Adjacent Channel Interference)
power supply ripple rejection
f = 114 kHz; note 4
f = 190 kHz; note 4
f = 100 Hz;
Vripple (rms) = 100 mV
VCO (pin 2)
fosc
oscillator frequency (ceramic resonator)
frequency range of free running oscillator
∆f/f
capture and holding range
V7
VCO-off voltage (pin 7)
Mono/stereo control (pins 16, 17 and 19)
Vi pilot
pilot threshold voltage for automatic switching stereo on
by pilot input voltage (RMS value)
stereo off
HYS
hysteresis of pilot threshold voltage
V19
switching voltage for external mono control
(pin 19)
Vref
V16-17
reference input voltage range (pin 17)
control voltage for channel separation due to
pin 17 (Vref)
αcs = 6 dB; see Fig.5
αcs = 20 dB; see Fig.5
Pilot indicator logic level output (pin 18)
V18
LOW voltage
I18
HIGH current
I18 = 500 µA
V18 = 10 V
Muting (pin 8)
MUTEatt mute attenuation (pin 8)
Vo(offset)
DC offset voltage (pins 10 and 11)
V8 < 1.6 V
V8 > 4 V
after muting
HCC (pin 15)
CRdeem
V15-17
control range of de-emphasis
for European standard
for USA standard
control voltage (pin 15 due to pin 17) in both
standards
see Figs 7 and 8
Cdeem = 6.8 nF
Cdeem = 10 nF
lower value CRdeem
upper value CRdeem
MIN. TYP. MAX. UNIT
−
80 −
dB
−
70 −
dB
−
35 −
dB
−
456 −
kHz
451 −
459 kHz
−
±0.65 −
%
0
−
0.6 V
−
24 30 mV
8
20 −
mV
−
2
−
dB
−
−
0.7 V
1
−
5
V
−80 −100 −120 mV
−40 −55 −70 mV
−
250 400 mV
−
−
1
µA
80 −
−
−
−
−
−
dB
0.2 dB
±50 mV
50 −
150 µs
75 −
225 µs
−
0
−
mV
−
−300 −
mV
1996 May 31
7
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