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PDF HV254FG-G Data sheet ( Hoja de datos )
| Número de pieza | HV254FG-G | |
| Descripción | 32-Channel High Voltage Amplifier Array | |
| Fabricantes | Supertex | |
| Logotipo |  |
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Supertex inc.
HV254
32-Channel High Voltage
Amplifier Array
Features
►► 32 independent high voltage amplifiers
►► Up to 250V output voltage
►► 3.0V/µs typical output slew rate
►► Very low operating current (typically 45µA per
channel)
►► High value internal feedback resistors
►► Fixed gain of 50V/V
►► Integrated silicon diode for temperature sensing
Applications
►► MEMS (microelectromechanical systems) driver
►► Piezoelectric transducer driver
►► Optical crosspoint switches (using MEMS
technology)
General Description
The Supertex HV254 is a 32-channel, high voltage, amplifier
array integrated circuit. It operates on a 275V high voltage
supply and two low voltage supplies: +5.0V and -5.0V. Each
channel has its own input and output. An integrated diode is
included to help monitor die temperature.
The input voltage can be from a DAC (Digital to Analog
Converter) with a voltage range of 0V to the low voltage supply,
V+. The output of the HV254 will swing from 7.0 to 250V. It
cannot swing to ground. With the internal gain set at 50V/V, a
minimum input signal of 140mV will still maintain linearity. Input
voltages below 140mV can be applied without damage to the
device. However, the amplifier will be saturated. Typical output
load is equivalent to a 125MΩ resistor in parallel with a 100pF
capacitor. The outputs have a guaranteed slew rate of at least
3.0V/µs. The internal closed loop gain is set at a nominal value
of 34.0dB (50V/V).
The HV254 is designed to operate with minimal power
consumption while maintaining a guaranteed slew rate of
3.0V/µs. High value resistors are used for the gain setting to
minimize current on the feedback path.
Typical Application Circuit
Micro
Processor
DAC
DAC
DAC
DAC
HV254 V+ VPP
VIN0
VIN1
VIN2 High Voltage
VIN3
Op-Amp
Array
HVOUT0
HVOUT1
HVOUT2
HVOUT3
DAC
DAC
VIN30
VIN31
HVOUT30
HVOUT31
PGND
V-
y
xx
y
MEMS
Array
Doc.# DSFP-HV254
C070813
Supertex inc.
www.supertex.com
1 page  
Pad Configuration (not drawn to scale)
HVOUT31
HVOUT30
HVOUT29
HVOUT28
HVOUT27
HVOUT26
HVOUT25
HVOUT24
HVOUT23
HVOUT22
HVOUT21
HVOUT20
HVOUT19
HVOUT18
HVOUT17
HVOUT16
HVOUT15
HVOUT14
HVOUT13
HVOUT12
HVOUT11
HVOUT10
HVOUT9
HVOUT8
HVOUT7
HVOUT6
HVOUT5
HVOUT4
HVOUT3
HVOUT2
HVOUT1
HVOUT0
Doc.# DSFP-HV254
C070813
5
PGND
VIN31
VIN30
VIN29
VIN28
VIN27
VIN26
VIN25
VIN24
VIN23
VIN22
VIN21
VIN20
VIN19
VIN18
VIN17
VIN16
VIN15
VIN14
VIN13
VIN12
VIN11
VIN10
VIN9
VIN8
VIN7
VIN6
VIN5
VIN4
VIN3
VIN2
VIN1
VIN0
HV254
Supertex inc.
www.supertex.com
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet HV254FG-G.PDF ] | |
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