|Número de pieza||componentes Descripción||fabricante|
|CXA1915AN||I-V Photo IC for MiniDisc|
|CXA1915AN Datasheet PDF : 8 Pages |
Notes on Operation
1. Connection to RF amplifiers
In the CXA1915AN, the RF signals (I, J) are of the voltage-output type. Therefore, the RF amplifier should
have an I-V amplifier at the input block because the servo signals (A to F) are of current-output type.
2. Power supply
The CXA1915AN can be used either with a dual positive/negative power supply or with a single power
supply. However, this IC is not provided with a center voltage generating circuit, and so when used with a
single power supply the center voltage must be supplied by an RF amplifier or some other device.
Power supply connections for each case are as follows.
negative power supply
Positive power supply
(3) (9) GND
Negative power supply GND
Single power supply Positive power supply GND
Note) Pins 3 and 9 are shorted in the IC.
For both a dual positive/negative power supply and a single power supply, the voltage difference between
the Vcc and GND pins should be within the range of 2.5 V and 5.5 V.
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