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參數(shù)資料
| 型號： | TDA1596 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | IF amplifier/demodulator for FM radio receivers |
| 中文描述： | FM, AUDIO DEMODULATOR, PDIP18 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-18 |
| 文件頁數(shù)： | 10/20頁 |
| 文件大?。?/td> | 346K |
| 代理商： | TDA1596 |
April 1991
10
Philips Semiconductors
Product specification
IF amplifier/demodulator for
FM radio receivers
TDA1596
OPERATING CHARACTERISTICS
f = 10.7 MHz; V
18(rms)
= 1 mV; deviation (
f) = 22.5 kHz; modulation frequency (f
m
) = 400 Hz; de-emphasis
(pin 4) = 50
μ
s; test circuit as per Fig.3; tuned circuit (Q
L
= 19) aligned for symmetrical stop pulses; T
amb
= +25
°
C;
unless otherwise specified
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
AF output voltage (RMS value)
at V
18(rms)
= 10 mV
Start of limiting (FM, mute-off);
(RMS value) (Fig.11)
Dependence of signal-to-noise ratio
(in noise frequency band 250 Hz to
15 kHz, unweighted) on input voltage
for S/N = 26 dB
for S/N = 46 dB
at V
18(rms)
= 10 mV;
f = 75 kHz
THD (FM, mute-on) at V
18(rms)
= 10 mV;
f = 75 kHz; f
m
= 1 kHz; without
detuning; without de-emphasis;
I
7
= 0 mA
Dynamic mute attenuation (Fig.12)
V
4(rms)
180
200
220
mV
V
18(rms)
14
22
35
μ
V
V
18(rms)
V
18(rms)
S/N
15
60
82
μ
V
μ
V
dB
THD
0.1
0.3
%
with f
m
= 100 kHz;
f = 75 kHz
Slope of attenuation curve
THD (FM, mute-on) at V
18(rms)
= 10 mV;
f = 75 kHz; f
m
= 1 kHz;
detuning
≤ ±
25 kHz without
de-emphasis; I
7
= 0 mA (Fig.13)
THD (FM, mute-off and compensated via
pin 3) at V
18(rms)
= 10 mV;
f = 75 kHz; f
m
= 1 kHz;
V
7
= V
5
Voltage range at pin 3 for THD
compensation
AM suppression (FM, mute-off) with
amplitude modulation at 30%;
input voltage range V
18
= 300
μ
V
to 100 mV (Fig.14)
Power supply ripple rejection
= 20log [
V
1
/
V
4
]
Mute attenuation (FM-off)
= 20log [V
4(FM-on
/V
4(FM-off)
]
α
D
α
D
f
16
0.8
dB
dB/kHz
THD
0.6
%
THD
0.07
0.25
%
V
3
0
V
5
V
65
dB
33
36
dB
60
dB
α
D
20
V
FMmute
V
4
FM mute
on
)
–
(
)
----------------------------------------off
log
=
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| TDA1596T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:IF amplifier/demodulator for FM radio receivers |
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