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HV256

Features: ❑ 32 independent high voltage amplifiers❑ 300V operating voltage❑ 295V output voltage❑ 2.2V/s typical output slew rate❑ Adjustable output current limit❑ Internal closed loop gain of 72V/V❑ 12M feedback impedance❑ Layout ideal for di...

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SeekIC No. : 004367504 Detail

HV256: Features: ❑ 32 independent high voltage amplifiers❑ 300V operating voltage❑ 295V output voltage❑ 2.2V/s typical output slew rate❑ Adjustable output current limit&#...

HV256 Data Sheet

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Part Number:
HV256
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

❑ 32 independent high voltage amplifiers
❑ 300V operating voltage
❑ 295V output voltage
❑ 2.2V/s typical output slew rate
❑ Adjustable output current limit
❑ Internal closed loop gain of 72V/V
❑ 12M feedback impedance
❑ Layout ideal for die applications


Application

❑ MEMS (microelectromechanical systems) driver
❑ Piezoelectric transducer driver
❑ Optical crosspoint switches (using MEMS technology)


Specifications

VPP, High voltage supply 310V
VDD, Low voltage positive supply 8.0V
VNN, Low voltage negative supply -7.0V
VIN, Analog input signal 0V to VDD
Storage temperature range -65 to 150
Maximum junction temperature 150

*Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied. Continuous operation of the device at the absolute rating level may affect device reliability. All voltages are referenced to device ground.




Description

The Supertex HV256 is a 32-channel high voltage amplifier array integrated circuit. It operates on a single high voltage supply, up to 300V and two low voltage supplies, VDD and VNN.

The input voltage range is from 0V to 4.096V. The internal closed loop gain is 72V/V giving an output voltage of 295V when 4.096V is applied. Input voltages of up to 5V can be applied but will cause the output to saturate. The HV256 maximum output voltage swing is 5V below the VPP high voltage supply. The outputs can drive capacitive loads of up to 3000pF.

The HV256 maximum output source and sink current can be adjusted by using two external resistors. An external RSOURCE resistor controls the maximum sourcing current and an external RSINK resistor controls the maximum sinking current. The current limit is approximately 12.5V divided by the external resistor value.

The HV256 setting is common for all 32 outputs. A low voltage silicon junction diode is made available to help monitor the die temperature.




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