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PDF TDA5930-5 Data sheet ( Hoja de datos )
| Número de pieza | TDA5930-5 | |
| Descripción | Video IF Amplifier and Demodulator | |
| Fabricantes | Siemens Semiconductor | |
| Logotipo |  |
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Video IF Amplifier and Demodulator
TDA 5930-5
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
P-DIP-16-1
Bipolar IC
Type
TDA 5930-5
Ordering Code
Q67000-A5135
Package
P-DIP-16-1
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.
Semiconductor Group
13
06.94
1 page  
TDA 5930-5
Characteristics
VS = V13/15 = 12 V ± 10 %; TA = 25 ˚C
Parameter
Symbol
Limit Values
min. typ. max.
Unit Test Condition
DC Characteristics
Tot. current consumption
37 53 69 mA V1/16 = 10 mVrms
AGC Voltage (figure 1)
Min. AGC
Max. AGC
V4
V4
0 0.1 0.5 V V1/16 = 45 µVrms
2.6 2.85 4.5 V V1/16 = 175 mVrms
AGC-Time Constant (figure 6) with Neg. Modulation
Charge current (Imax:2)
I4
0.7 0.9
Discharge current
– I4 12 17
Charge/discharge ratio
V4
75 105
1.1
23
150
mA V4 = 2 V; V11 < 5.2 V
µA V4 = 2 V; V11 > 6.3 V
AGC-Time Constant (figure 7) with Pos. Modulation
Charge current
Discharge current
I4 5.5 7
– I4 0.1 0.2
8.0
0.3
mA
µA
Discharge current
– I4 270 330 420 µA
Charge/discharge ratio
V4
20000 35000 75000
V4 = 2 V; V11 ≥ 9 V
V4 = 2 V;
4.5 V < V11 < 8.2 V
V4 = 2 V; V11 < 6 V
Mean Value Generation with Pos. Modulation
White level
Zero carrier level
Tuner AGC threshold
(figure 2)
I5 = Imax:2
Tuner AGC current
(figure 3, 4)
V10 3.9 4.3
V10 3.3 3.7
V6 3.9 4.3
I6 550 750
V4 2.8 3.1
V4 0.35 0.4
– I5 3.0 4.0
– I5 0 –
4.7
4.1
4.7
950
3.4
0.45
5.0
10
V V1/16 = 10 mVrms
V V1/16 = 0 V; V4 = 3 V
V R6/ 15 = ∝
µA V6 = 0 V
V R6/15 = 10 kΩ
V
mA V5 = 0.5 V13
V1/16 = 100 mVrms
V6 = 0.75 V
µA V5 = 0.5 V13
V1/16 = 10 mVrms
V6 = 4.0 V
The characteristics data apply to the supply voltage range VS 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 fPC = 38.9 MHz.
Semiconductor Group
17
5 Page 
TDA 5930-5
Test Circuit
Semiconductor Group
23
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet TDA5930-5.PDF ] | |
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