Circuit Description
Video IF for all European standards. The analog setting function (delayed tuner AGC threshold) is
controlled via a potentiometer.
The IC is suitable for use in Euro- or multi-standard TV sets for mono and stereo application.
The component includes a four-stage, capacitively coupled, symmetrically designed and controlled
amplifier, a limiter with selection, and a mixer for quasi-synchronous demodulation of positive and
negative modulated IF signals. In addition a video output amplifier and noise suppression circuitry
are included. This output is used for generating the AGC voltage. The AGC for both modulation
types has been realized as integral AGC with noise-free peak and mean value detector (only for
positive modulation). A delayed tuner AGC with positive AGC direction (increase in tuner AGC
voltage
increased gain) is derived from the AGC voltage via a threshold amplifier set by means
of an external potentiometer.
A positive video output with 3 Vpp and a negative video output with 2 Vpp are available.
Type
Ordering Code
Package
TDA 5930-5
Q67000-A5135
P-DIP-16-1
Video IF Amplifier and Demodulator
Bipolar IC
TDA 5930-5
P-DIP-16-1
Features
q
Multistandard video IF
q
Interference suppression circuitry
q
Mean/peak value control
q
Area of application: multistandard TV / VCR, mono, stereo
cable converter, mono, stereo
Semiconductor Group
13
06.94
Semiconductor Group
14
TDA 5930-5
Block Diagram
Semiconductor Group
15
TDA 5930-5
Pin Functions
Pin No.
Function
1
Video IF input
2
Standard switch over B/G-L
3
Ground
4
AGC time constant
5
Tuner AGC output
6
Tuner AGC threshold
7
N.C.
8
Demodulator tank circuit
9
Demodulator tank circuit
10
Low pass (mean value generation)
11
Positive video output
12
Negative video output
13
Supply voltage
14
N.C.
15
Ground
16
Video IF input
Semiconductor Group
16
TDA 5930-5
Absolute Maximum Ratings
T
A
= 25 C
All voltage values are referenced to ground pin 3, 15, if not stated otherwise. The currents are
identified according to the source/sink principle.
If the IC is considered a sink (the current flows from the respective pin to ground), it is identified by
a negative algebraic sign.
However, if the IC is the source (the current flows form
V
8
via the respective pin), it is identified by
a positive algebraic sign.
Parameter
Symbol
Limit Values
Unit
min.
max.
Supply voltage
V
13
0
13.5
V
Pos. video output
I
11
3
5
mA
Pos. video output
V
11
0
10
V
Demodulator tank circuit
V
8
/
V
9
0
+
V
13
V
Neg. video output
I
12
3
5
mA
Neg. video output
V
12
0
+
V
13
V
Tuner AGC threshold
V
6
0
6
V
Tuner AGC output
V
5
0
+
V
13
V
IF input
V
1
/
V
16
0
6
V
IF control
V
4
0
8.5
V
Standard switch-over
V
2
0
6
V
Auxiliary control
V
10
0
6
V
Junction temperature
T
j
150
C
Storage temperature
T
stg
40
125
C
Thermal resistance (system-air)
R
th SA
70
K/W
Operating Range
Supply voltage
V
13
10.5
13.5
V
Supply voltage, delayed tuner AGC
V
5
1
13.5
V
Ambient temperature during operation
T
A
0
70
C
Input frequency range 3 dB
Input frequency range 0.3 dB
f
IF
f
IF
10
30
100
75
MHz
MHz
Semiconductor Group
17
TDA 5930-5
Characteristics
V
S
=
V
13/15
= 12 V
10 %;
T
A
= 25 C
The characteristics data apply to the supply voltage range
V
S
stated or in case of alignment to the
alignment instructions (see page 21). All static voltages are referenced to ground if not stated
otherwise.
The input levels are given as rms values referenced to synchronous peak
f
PC
= 38.9 MHz.
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
DC Characteristics
Tot. current consumption
37
53
69
mA
V
1/16
= 10 mVrms
AGC Voltage (figure 1)
Min. AGC
Max. AGC
V
4
V
4
0
2.6
0.1
2.85
0.5
4.5
V
V
V
1/16
= 45
Vrms
V
1/16
= 175 mVrms
AGC-Time Constant (figure 6) with Neg. Modulation
Charge current (
I
max
:2)
Discharge current
Charge/discharge ratio
I
4
I
4
V
4
0.7
12
75
0.9
17
105
1.1
23
150
mA
A
V
4
= 2 V;
V
11
< 5.2 V
V
4
= 2 V;
V
11
> 6.3 V
AGC-Time Constant (figure 7) with Pos. Modulation
Charge current
Discharge current
Discharge current
Charge/discharge ratio
I
4
I
4
I
4
V
4
5.5
0.1
270
20000
7
0.2
330
35000
8.0
0.3
420
75000
mA
A
A
V
4
= 2 V;
V
11
9 V
V
4
= 2 V;
4.5 V <
V
11
< 8.2 V
V
4
= 2 V;
V
11
< 6 V
Mean Value Generation with Pos. Modulation
White level
Zero carrier level
V
10
V
10
3.9
3.3
4.3
3.7
4.7
4.1
V
V
V
1/16
= 10 mVrms
V
1/16
= 0 V;
V
4
= 3 V
Tuner AGC threshold
(figure 2)
I
5
=
I
max
:2
V
6
I
6
V
4
V
4
3.9
550
2.8
0.35
4.3
750
3.1
0.4
4.7
950
3.4
0.45
V
A
V
V
R
6/ 15
=
V
6
= 0 V
R
6/15
= 10 k
Tuner AGC current
(figure 3, 4)
I
5
I
5
3.0
0
4.0
5.0
10
mA
A
V
5
= 0.5 V
13
V
1/16
= 100 mVrms
V
6
= 0.75 V
V
5
= 0.5 V
13
V
1/16
= 10 mVrms
V
6
= 4.0 V
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