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PDF BA7622 Data sheet ( Hoja de datos )
| Número de pieza | BA7622 | |
| Descripción | 75 driver IC with 3 internal circuits | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BA7622 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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Multimedia ICs
75Ω driver IC with 3 internal circuits
BA7622F
The BA7622F is a 75Ω driver-IC developed for use in video equipment. It includes three 75Ω driver circuis,two of
which have sync-tip clamp inputs.The other driver has a biased input terminated with a 20kΩ resistor.Each output
can drive two loads (75Ω × 2).
•Applications
Video cassette recorders, televisions and camcorders
•Features
1) Two built-in clamp circuits.
2) Simultaneous drive of Y, C and composite video sig-
nals possible.
3) Each output can drive two loads.
•Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Power supply voltage
VCC
Power dissipation
Pd
Operating temperature
Topr
Storage temperature
Tstg
∗ Reduced by 5.5mW for each increase in Ta of 1°C over 25°C.
Limits
8.0
550∗
– 25 ~ + 75
– 55 ~ + 125
Unit
V
mW
°C
°C
1
1 page  
Multimedia ICs
BA7622F
•Measurement conditions
Parameter
Symbol
IN1
SWA
IN2
SWB
IN3
SWC
OUT1 OUT2
SWD SWE
OUT3
Conditions
SWF
Current dissipation
ICC
333×××
—
Maximum output level
Vom12
Vom22
1333××
313×3×
∗1
Vom32
331××3
Voltage gain
Gv12
Gv22
1333××
313×3×
∗2
Gv32
331××3
f12 1 3 3 3 × ×
Frequency characteristic
f22
313×3×
—
f32 3 3 1 × × 3
CT112
133×3×
CT113
133××3
Interchannel crosstalk
CT211
CT213
3133××
313××3
—
CT311
3313××
Input resistance
CT312
ZIN3
331×3×
334×××
∗3
Total-harmonic distortion
THD12
THD22
1333××
313×3×
∗4
THD32
331××3
×: Any of switches 1, 2, or 3 possible.
∗1: Connect a distortion meter to the output, and input a f = 1kHz sine wave. Adjust the input level until the output distortion is 0.5%. This output voltage
at this time is the maximum output level Vom (VP-P).
∗2: Input a 2.0VP-P, 1MHz sine wave. The voltage gain is given by GV = 20 log (VOUT / VIN).
∗3: Measure the input pin voltage VIN50 when a current of DC50µA is flowing into the input pin. Measure the input pin open-circuit voltage VIN0.
The input impedance is given by Z = (VIN50 - VIN0) / 50∗10-6[Ω].
∗4: Input a 1.0VP-P, 1kHz sine wave. Connect a distortion meter to the output and measure the total-harmonic distortion.
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet BA7622.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| BA7622 | 75 driver IC with 3 internal circuits | ROHM Semiconductor |
| BA7622F | 75 driver IC with 3 internal circuits | ROHM Semiconductor |
| BA7623 | 75 driver IC with 3 internal circuits | ROHM Semiconductor |
| BA7623F | 75 driver IC with 3 internal circuits | ROHM Semiconductor |
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