PRN299 Просмотр технического описания (PDF) - California Micro Devices => Onsemi
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PRN299 Datasheet PDF : 3 Pages
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CALIFORNIA MICRO DEVICES
Typical Connection Diagram
PRN299
A resistor may be necessary between the VCC3 pin and ground if protection against a stream of ESD pulses is required while the
PAC VGA200 is in the power-down state. The value of this resistor should be chosen such that the extra charge deposited into
the VCC3 bypass capacitor by each ESD pulse will be discharged before the next ESD pulse occurs. The maximum ESD
repetition rate specified by the IEC-61000-4-2 standard is one pulse per second. When the PAC VGA200 is in the power-up
state, an internal discharge resistor is connected to ground via an FET switch for this purpose.
For the same reason, VCC1 and VCC4 may also require bypass capacitor discharging resistors to ground if there are no other
components in the system to provide a discharge path to ground.
GNDA, the reference voltage for the 75R resistors is not connected internally to GNDD and should ideally be connected to the
ground of the video DAC IC.
STANDARD PART ORDERING INFORMATION
Package
Ordering Part Number
Pins
Style
Part Marking
24
QSOP
PACVGA200Q
When placing an order please specify desired shipping: Tubes or Tape & Reel.
© 2000 California Micro Devices Corp. All rights reserved.
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215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com
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