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PDF TDA6120 Data sheet ( Hoja de datos )
| Número de pieza | TDA6120 | |
| Descripción | Video output amplifier | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
DATA SHEET
TDA6120Q
Video output amplifier
Preliminary specification
Supersedes data of 1997 Jul 17
File under Integrated Circuits, IC02
1997 Aug 27
1 page  
Philips Semiconductors
Video output amplifier
Preliminary specification
TDA6120Q
(1) Infinite heatsink.
(2) No heatsink.
handbook,2h0alfpage
Ptot
(W)
16
12
MGK442
(1)
8
4
0
−20 0 20
(2)
40 80 120 160
Tamb (°C)
Fig.4 Power derating curve.
QUALITY SPECIFICATION
Quality specification in accordance with “SNW-FQ-611 part E”.
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
Rth j-c
thermal resistance from junction to case
VALUE
3.0
UNIT
K/W
1997 Aug 27
5
5 Page 
Philips Semiconductors
Video output amplifier
Preliminary specification
TDA6120Q
TEST AND APPLICATION INFORMATION
Dissipation
Regarding dissipation, distinction must be made between
static dissipation (independent of frequency) and dynamic
dissipation (proportional to frequency). The static
dissipation of the TDA6120Q is due to supply currents, and
currents in the feedback network and CRT.
The static dissipation is given by the following equation:
Pstat = VCC × ICC + VDD × IDD – VOUTC × -R----fV---–--O--I-U-O---T-U--C--T---C-
Where:
Rf = feedback resistance
IOUTC = DC cathode current.
The dynamic dissipation is given by the following equation:
Pdyn = VDD × (CL + Cint) × f × VOUTC (p – p) × b
Where:
CL = load capacitance
Cint = effective internal load capacitance
(approximately 7 pF)
f = frequency
VOUTC(p-p) = output voltage (peak-to-peak value)
b = non-blanking duty cycle (0.8).
The IC must be mounted on the picture tube base
printed-circuit board to minimize the load capacitance CL.
Switch-off
The voltage at output pins OUT and OUTC will be pulled
to ground when the low voltage supply voltage (VCC) is
switched off.
1997 Aug 27
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TDA6120.PDF ] | |
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