MB40968V Просмотр технического описания (PDF) - Fujitsu

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MB40968V

2-Channel 8-BIT D/A Converter

Fujitsu 

MB40968/40968V

s PRECAUTIONS

1. Inter-channel Crosstalk

The MB88361 is a 2-channel D/A converter, requiring the use of special mounting methods to minimize crosstalk

between analog output pins.

Specifically, it is recommended that PC board designs should emphasize the prevention of large coupling

capacities between analog output lines. (See sTYPICAL CHARACTERISTIC CURVES.)

2. Prevention of Switching Noise

To reduce superimposed switching noise on the analog output signal to an absolute minimum, it is recommended

that a noise limiting capacitor between the VCCA and VCCD pins be placed as close as possible to the pins and

connected to the A.GND and D.GND pins.

3. Power Supply Patterns

Power supply patterns connected to the A.GND and B.GND pins should be as possible in order to reduce

parasitic impedance.

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