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PDF BH1414K Data sheet ( Hoja de datos )
| Número de pieza | BH1414K | |
| Descripción | Wireless Audio Link IC | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Multimedia ICs
Wireless Audio Link IC
BH1414K
BH1414K
The BH1414K is a FM stereo transmitter IC that uses a simple configuration. This IC consists of a stereo modulator for
generating stereo composite signals and a FM transmitter for broadcasting a FM signal on the air. A high S/N ratio and
good timbre transmitter circuit can be composed with a few components. It is available for many applications due to the
varieties of setting such as transmission output by serial data input.
!Applications
CD changer, Car TV, Car navigation, Wireless speakers, Personal computer (sound board), Game machine
!Features
1) It is possible to improve the timbre because it has the pre-emphasis circuit, limiter circuit, and the 19kHz/38kHz
low-pass trap filter circuit.
2) Built-in pilot-tone system FM stereo modulator circuit.
3) The transmission frequency is stable because it has a PLL system for the FM transmitter circuit.
4) PLL data input (CE, CK, DA) by serial input.
5) It is possible for input level setting, monaural operation and output ON/OFF control by serial input.
6) It is possible for the transmission output control.
!Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Supply voltage
VCC1
VCC2
Power dissipation
Pd
Storage temperature range
Tstg
∗ Reduced by 5mW for each increase in Ta of 1°C over 25°C.
Limits
+9.0
+10.0
500
−55 to +125
Unit
V
mW
°C
!Recommended operating conditions (Ta = 25°C)
Parameter
Operating supply voltage
Operating temperature range
Audio input level
Audio input frequency
Transmission frequency
Symbol
VCC
Topr
VIN-A
fIN-A
fTX
Min. Typ.
4.5 −
−40 −
−−
20 −
75 −
Max.
5.5
+85
500
15k
110
Unit
V
°C
mVrms
Hz
MHz
1/3
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet BH1414K.PDF ] | |
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