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| 型號(hào)： | TDA1593T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | IF amplifier/demodulator for FM car radio receivers |
| 中文描述： | FM, AUDIO DEMODULATOR, PDSO20 |
| 文件頁(yè)數(shù)： | 9/20頁(yè) |
| 文件大?。?/td> | 107K |
| 代理商： | TDA1593T |
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1996 Oct 10
9
Philips Semiconductors
Product specification
IF amplifier/demodulator for
FM car radio receivers
TDA1593
OPERATING CHARACTERISTICS
V
P
= 7.5 to 12 V; T
amb
= +25
°
C; f
IF
= 10.7 MHz; deviation
±
22.5 kHz with f
m
= 400 Hz; V
i
= 10 mV (RMS) at pin 20;
de-emphasis of 50
μ
s; 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.
MIN.
UNIT
IF amplifier and demodulator
V
i
input signal for start of limiting
(
3 dB) (RMS value; pin 20)
input signal for signal-to-noise ratio
(RMS value)
V
16
= 4.5 V
14
22
35
μ
V
f = 250 to 15000 Hz;
V
16
= 4.5 V
S/N = 26 dB
S/N = 46 dB
deviation
±
75 kHz;
f
m
= 400 Hz
15
60
82
μ
V
μ
V
dB
S/N
signal-to-noise ratio
V
o
THD
AF output signal (RMS value; pin 4)
total harmonic distortion
without de-emphasis
±
25 kHz detuning
AM suppression on pin 4
V
i
= 0.3 to 1000 mV (RMS)
V
i
= 1 to 300 mV (RMS)
180
200
220
mV
deviation
±
75 kHz;
f
m
= 1 kHz
0.2
0.6
1.0
%
%
α
AM
m = 30%; on pin 20
43
57
55
65
dB
dB
Tuning stop detector
f
STOP-0
detuning frequency for STOP-0
(pin 15)
see Fig.9
V
15
≥
3.5 V
V
15
≤
0.3 V
see Fig.8
V
14
≥
3.5 V
V
14
≤
0.3 V
see Fig.7
V
14, 15
≥
3.5 V
V
14, 15
≤
0.3 V
+22.0
+14.0
kHz
kHz
f
STOP-1
detuning frequency for STOP-1
(pin 14)
22.0
14.0
kHz
kHz
V
20
dependence on input voltage for
STOP-0 and STOP-1 (RMS value)
250
12
25
50
50
μ
V
μ
V
k
R
8
internal low-pass resistance of
detune detector
voltage on capacitor
V
8
V
i
≤
5
μ
V (RMS) on
input pin 20
2.2
V
Level detector (I
2
= 0)
V
6
output voltage
V
20
≤
5
μ
V (RMS)
V
20
= 1 mV (RMS)
0.1
3.0
1.1
4.2
V
V
Reference voltage source (pin 5)
V
ref
reference output voltage
I
5
=
1 mA
3.3
3.7
4.1
V
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