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參數(shù)資料
| 型號： | TDA8192 |
| 廠商： | 意法半導體 |
| 英文描述： | MULTISTANDARD AM AND FM SOUND IF CIRCUIT FOR TV |
| 中文描述： | 多標準的調(diào)幅和調(diào)頻聲音中頻電視電路 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大小： | 44K |
| 代理商： | TDA8192 |
ELECTRICALCHARACTERISTICS
(T
amb
= 25
°
C, V
S
= 12V unless otherwise specified)
Symbol
V
s
I
d
Parameter
Test Conditions
Min.
10.8
Typ.
12
30
30
Max.
13.2
Unit
V
mA
mA
Supply Voltage
Supply Current
V
i
= 0
AM
FM
AM SECTION (f
i
= 39.2MHz, V
i
= 1mV, m = 0.8, f
m
= 1kHz unless otherwise specified)
V
i
Input Sensitivity
S
+
N
N
S/N = 26dB
V
i
= 0.1mV
V
i
= 1mV
V
i
= 10mV
V
OUT
= – 1 to + 1dB
35
36
50
56
66
1
μ
V
dB
Signal to Noise Ratio
m = 0.3
50
V
i
V
o
d
d
R
i
C
i
AGC Range
Recovered Audio Signal
Distortion (1)
Distortion (2)
Input Resistance between Pins 1 and 2
Input Capacitance between Pins 1 and 2
FM SECTION (f
i
= 5.5MHz, V
i
= 1mV,
f =
±
50KHz, f
m
= 1kHz, unless otherwise specified) (continued)
V
i
Input Limiting Voltage
AMR
Amplitude Modulation
S
+
N
N
d
Distortion (3)
d
Distortion (4)
V
o
Recovered Audio Signal
R
i
Input Resistance
C
i
Input Capacitance
C
T
Crosstalk AM/FM
AM/FM AND MUTE SWITCHING
dB
V
RMS
%
%
k
pF
0.6
1.5
3
3
m = 0
m = 0
2
18
– 3dB Limiting Point
V
i
= 30mV, m = 0.3
30
55
μ
V
dB
Signal to Noise Ratio
V
i
= 1mV
60
dB
1.5
%
%
2
1
0.5
2
1.5
V
RMS
k
pF
dB
f = 0
f = 0
14
70
FM ”on” (pin. 4)
AM ”on” (pin 4)
Mute ”on” (pin 15)
Mute ”off” (pin 15)
Signal Attenuation for Mute ”off”
Mute Switch Current
AM/FM Switch Current
SCART SWITCHING
Mode Selection Voltage : TV Selected (pin.13)
Mode Selection Voltage : Scart Selected (pin 13)
Scart Switch Input Resistance
Scart Audio Input Amplitude(pin 12)
Crosstalk Between Switched Inputs (TV scart)
DC VOLUME CONTROL
Audio Output Impedance (pin 10)
Control Range
Output/input Gainfor Maximum Gain Control
Gain Control Voltage
Noise Level (DIN 45405)
2.5
0
0
5
70
V
S
0.8
1
V
S
V
V
V
V
dB
μ
A
μ
A
110
250
50
0
8
5
12
V
V
10
k
V
rms
dB
0.5
80
2
1
k
dB
dB
V
μ
V
rms
90
0
0.5
4.5
25
(1)
(2)
(3)
(4)
50% volume setting, V
i
= 1mV
50% volume setting, V
=10mV
V
= 1mV, fm = 100 to 10.000Hz
Vi = 1mV,
±
20KHz offset(detuning of phase shift filter).
8
TDA8192
3/5
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