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TDA1596T 데이터시트(Datasheet) 10 Page - NXP Semiconductors

부품명 TDA1596T
상세내용  IF amplifier/demodulator for FM radio receivers
PDF  20 Pages
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제조사  PHILIPS [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo 

 10 page
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April 1991
10
Philips Semiconductors
Product specification
IF amplifier/demodulator for
FM radio receivers
TDA1596
OPERATING CHARACTERISTICS
f = 10.7 MHz; V18(rms) = 1 mV; deviation (∆f) = 22.5 kHz; modulation frequency (fm) = 400 Hz; de-emphasis
(pin 4) = 50
µs; test circuit as per Fig.3; tuned circuit (Q
L = 19) aligned for symmetrical stop pulses; Tamb = +25 °C;
unless otherwise specified
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
AF output voltage (RMS value)
at V18(rms) = 10 mV
V4(rms)
180
200
220
mV
Start of limiting (FM, mute-off);
(RMS value) (Fig.11)
V18(rms)
14
22
35
µV
Dependence of signal-to-noise ratio
(in noise frequency band 250 Hz to
15 kHz, unweighted) on input voltage
for S/N = 26 dB
V18(rms)
15
−µV
for S/N = 46 dB
V18(rms)
60
−µV
at V18(rms) = 10 mV; ∆f = 75 kHz
S/N
82
dB
THD (FM, mute-on) at V18(rms) = 10 mV;
∆f = 75 kHz; f
m = 1 kHz; without
detuning; without de-emphasis;
I7 = 0 mA
THD
0.1
0.3
%
Dynamic mute attenuation (Fig.12)
with fm = 100 kHz; ∆f = 75 kHz
α
D
16
dB
Slope of attenuation curve
α
D∆f
0.8
dB/kHz
THD (FM, mute-on) at V18(rms) = 10 mV;
∆f = 75 kHz; f
m = 1 kHz;
detuning
≤ ± 25 kHz without
de-emphasis; I7 = 0 mA (Fig.13)
THD
−−
0.6
%
THD (FM, mute-off and compensated via
pin 3) at V18(rms) = 10 mV;
∆f = 75 kHz; f
m = 1 kHz;
V7 = V5
THD
0.07
0.25
%
Voltage range at pin 3 for THD
compensation
V3
0
V5
V
AM suppression (FM, mute-off) with
amplitude modulation at 30%;
input voltage range V18 = 300 µV
to 100 mV (Fig.14)
65
dB
Power supply ripple rejection
= 20log [
∆V
1/∆V4]33
36
dB
Mute attenuation (FM-off)
= 20log [V4(FM-on/V4(FM-off)]60
−−
dB
α
D
20
V
4 FMmute
off
()
V
4 FM mute
,
on
()
------------------------------------------------------
log
=




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