tda5670-5x ETC-unknow, tda5670-5x Datasheet - Page 10

• Manufacturer Part Number: tda5670-5x
• Description: Video Modulator Fm/am-audio With Pll-output
• Manufacturer: ETC-unknow

AC/DC-Characteristics (cont’d)
T
Parameter
Switch-on, warm-up drift of oscillator frequency; T
is 0, the drift is only based on self-heating of component
Audio signal
frequency deviation
AM-Audio
AM-mod. factor
AM-mod.; total
harmonic distortion
Audio preamplifier
input impedance
AM-audio modulator
input voltage
Residual carrier FM;
AM-operation
FM-Audio
FM-mod.; total
harmonic distortion
FM-mod.; static
mod. characteristic
FM-mod.; dynamic
mod. characteristic
Audio preamplifier
input impedance
(dynamic)
Semiconductor Group
A
= 25
o
C; V
S
= 12 V
Symbol
m
THD
Z
V
THD
Z
16
1
AF
V
f
f
f
f
f
A/OSC
A/OSC
A/OSC
A/OSC
AF
AM
FM
/
min.
20
25
0.08
200
50
Limit Values
typ.
5
5
30
0.5
50
132
20
0.6
0.10
70
10
C
-value of capacitor in audio oscillator circuit
max.
15
10
40
3
75
1.5
0.13
90
Unit
kHz
kHz
%
%
k
mVrms m = 90%;
Hz
%
kHz
kHz/
mV
k
Test
Condition
T
V
Q
V
m = 80%;
V
f
f
without AM-audio
signal Q
V
AF
AF
A
S
AF
AF
1
V
u
1 V
AF
= const.;
= 150 mVrms
= 10.0-13.5 V;
= 25
= 1 kHz
= 1 kHz
= 45 mVrms
= 117 mVrms
= V
U
1
-V
= 25
TDA 5670-5X
2
=
Test
Circuit
1
1
9
9
1
9
1
9
1
1
1