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TDA1597T 데이터시트(Datasheet) 8 Page - NXP Semiconductors

부품명 TDA1597T
상세내용  IF amplifier/demodulator for FM radio receivers
PDF  24 Pages
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제조사  PHILIPS [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo 

 8 page
background image
1997 Feb 27
8
Philips Semiconductors
Product specification
IF amplifier/demodulator for FM radio receivers
TDA1597
OPERATING CHARACTERISTICS
VP = 7.5 to 12 V; Tamb =25 °C; FM-MUTE-ON (I7 = 0); fIF = 10.7 MHz; deviation ±22.5 kHz with fm = 400 Hz;
Vi = 10 mV (RMS) at pin 20; de-emphasis of 50 µs; tuned circuit at pins 10 and 11 aligned for symmetrical stop pulses;
measurements taken in Fig.4; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
IF amplifier and demodulator
Vi(rms)
input signal for start of limiting
(
−3 dB) (RMS value; pin 20)
V7 =Vref; FM-MUTE-OFF
14
22
35
µV
input signal for signal-to-noise
ratio (RMS value)
f = 250 to 15000 Hz; V7 =Vref
S/N = 26 dB
15
−µV
S/N = 46 dB
60
−µV
S/N
signal-to-noise ratio
deviation
±75 kHz
82
dB
Vo(rms)
AF output signal (RMS value;
pin 4)
180
200
220
mV
THD
total harmonic distortion without
de-emphasis
without detuning
deviation
±75 kHz; fm = 1 kHz;
I7 =0
0.1
0.3
%
±25 kHz detuning
deviation
±75 kHz; fm = 1 kHz;
I7 =0
−−
0.6
%
compensated via pin 3
deviation
±75 kHz; f
m = 1 kHz;
I7 =0;V7 =Vref
0.07
0.25
%
∆V4
K2 adjustment
∆V4 =V4 (V3 =0) − V4 (V3 =Vref)
10
−−
mV
αAM
AM suppression on pin 4
V7 =Vref; m = 30%
Vi = 0.3 to 1000 mV (RMS)
on pin 20
46
55
dB
Vi = 1 to 300 mV (RMS)
on pin 20
60
65
dB
Dynamic mute attenuation
α; note 1
α
dynamic mute attenuation
deviation
±75 kHz;
fm = 100 kHz; V2 =1V
14
dB




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