TDA1599 Просмотр технического описания (PDF) - Philips Electronics
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TDA1599 Datasheet PDF : 22 Pages
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Philips Semiconductors
IF amplifier/demodulator for FM radio
receivers
Product specification
TDA1599
OPERATING CHARACTERISTICS (TDA1599T PINNING)
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
input signal for start of limiting (−3 dB) V7 = VREF;
14
22
(RMS value; pin 20)
FM-MUTE-OFF
input signal for signal-to-noise ratio
(RMS value)
f = 250 to 15000 Hz
S/N = 26 dB
S/N = 46 dB
S/N
signal-to-noise ratio
V7 = VREF
−
15
V7 = VREF
−
60
deviation ±75 kHZ
−
82
Vo
AF output signal (RMS value; pin 4)
180
200
THD
total harmonic distortion
deviation ±75 kHz;
without de-emphasis
without detuning
fm = 1 kHz; I7 = 0
−
0.1
±25 kHz detuning
−
−
compensated via pin 3
V7 = VREF
−
0.07
∆V4
K2 adjustment
(∆V4 = V4(V3 = 0) − V4(V3 = VREF))
10
−
αAM
AM suppression on pin 4
V7 = VREF; m = 30%
Vi = 0.3 to 1000 mV RMS
on pin 20
46
55
Vi = 1 to 300 mV RMS
on pin 20
60
65
Dynamic mute attenuation α = 20 log (∆V4(FM-MUTE-OFF)/∆V4(FM-MUTE-ON))
α
dynamic mute attenuation
deviation ±75 kHz;
−
14
fm = 100 kHz;
V2 = 1 V
Tuning stop detector
∆f
detuning frequency for STOP-0
on pin 15; Fig.11
for V15 ≥ 3.5 V
−
−
for V15 ≤ 0.3 V
+22.0 −
∆f
detuning frequency for STOP-1
on pin 14; Fig.10
for V14 ≥ 3.5 V
for V14 ≤ 0.3 V
V20
dependence on input voltage for
Fig.9;
STOP-0 and STOP-1 (RMS value)
V14, 15 ≥ 3.5 V
V14, 15 ≤ 0.3 V
R8
internal low-pass resistance of detune
detector
−
−
−22.0 −
250
−
−
−
12
25
35
µV
−
µV
−
µV
−
dB
220
mV
0.3
%
0.6
%
0.25
%
−
mV
−
dB
−
dB
−
dB
+14.0 kHz
−
kHz
−14.0 kHz
−
kHz
−
µV
50
µV
50
kΩ
May 1994
9
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