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參數(shù)資料
| 型號： | TDA5670-5X |
| 廠商： | SIEMENS A G |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Video Modulator for FM/AM-Audio with PLL-Output |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 文件頁數(shù)： | 10/22頁 |
| 文件大小： | 730K |
| 代理商： | TDA5670-5X |
Semiconductor Group
10
TDA 5670-5X
Switch-on, warm-up drift of oscillator frequency;
T
C
-value of capacitor in audio oscillator circuit
is 0, the drift is only based on self-heating of component
f
A/OSC
5
Audio signal
frequency deviation
15
kHz
T
A
= const.;
V
S
= 10.0-13.5 V;
Q
u
= 25
1
f
A/OSC
5
10
kHz
1
AM-Audio
AM-mod. factor
m
20
30
40
%
V
AF
= 45 mVrms
m
= 80%;
V
AF
= 117 mVrms
f
AF
= 1 kHz
9
AM-mod.; total
harmonic distortion
THD
AM
0.5
3
%
9
Audio preamplifier
input impedance
Z
16
25
50
75
k
1
AM-audio modulator
input voltage
V
AF
132
mVrms
m
= 90%;
f
AF
= 1 kHz
Hz
without AM-audio
signal
Q
U
= 25
9
Residual carrier FM;
AM-operation
f
20
1
FM-Audio
FM-mod.; total
harmonic distortion
THD
FM
0.6
1.5
%
V
1
= 150 mVrms
9
FM-mod.; static
mod. characteristic
f
A/OSC
±
50
±
70
±
90
kHz
V
AF
=
V
1
-
V
2
=
±
1 V
1
FM-mod.; dynamic
mod. characteristic
f
A/OSC
/
V
AF
Z
1
0.08
0.10
0.13
kHz/
mV
k
1
Audio preamplifier
input impedance
(dynamic)
200
1
AC/DC-Characteristics
(cont’d)
T
A
= 25
o
C;
V
S
= 12 V
Parameter
Symbol
Limit Values
Unit
Test
Condition
Test
Circuit
min.
typ.
max.
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