hv256 Supertex, Inc., hv256 Datasheet

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hv256

Manufacturer Part Number
hv256
Description
32-channel High Voltage Amplifier Array
Manufacturer
Supertex, Inc.
Datasheet
1.HV256.pdf (7 pages)
Features
K 32 independent high voltage amplifiers
K 300V operating voltage
K 295V output voltage
K 2.2V/µs typical output slew rate
K Adjustable output current limit
K Internal closed loop gain of 72V/V
K 12MΩ feedback impedance
K Layout ideal for die applications
Application
K MEMS (microelectromechanical systems) driver
K Piezoelectric transducer driver
K Optical crosspoint switches (using MEMS technology)
General 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, V
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 maximum output voltage swing is 5V
below the V
tive loads of up to 3000pF.
The maximum output source and sink current can be adjusted
by using two external resistors. An external R
controls the maximum sourcing current and an external R
resistor controls the maximum sinking current. The current limit
is approximately 12.5V divided by the external resistor value.
The setting is common for all 32 outputs. A low voltage silicon
junction diode is made available to help monitor the die
temperature.
A112304
PP
high voltage supply. The outputs can drive capaci-
32-Channel High Voltage Amplifier Array
DD
and V
SOURCE
NN
.
resistor
SINK
Block Diagram
R
B
B
Cathode
B
SOURCE
YP
YP
YP
Anode
R
V
SINK
GND
-V
-V
-V
V
V
V
V
V
IN
DD
NN
PP
DD
IN
IN
NN
PP
31
0
1
Output Current Source
Limiting for all HV
Limiting for all HV
Output Current Sink
V
V
+
-
+
-
+
-
DD
DD
To internal V
To internal V
To internal V
V
V
NN
NN
V
V
PP
PP
PP
DD
NN
71R
71R
71R
R
R
R
OUT
OUT
bus
bus
bus
HV256
HV
HV
HV
OUT
OUT
OUT
0
1
31

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hv256 Summary of contents

Page 1

... K Piezoelectric transducer driver K Optical crosspoint switches (using MEMS technology) General Description The Supertex HV256 is a 32-channel high voltage amplifier array integrated circuit. It operates on a single high voltage supply 300V and two low voltage supplies, V 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 ...

Page 2

... V/µ KΩ µ Ω µ Ω KΩ KΩ HV256 = A112304 ...

Page 3

... HV256 A112304 ...

Page 4

... HV256 A112304 ...

Page 5

... Pad Configuration (Not Drawn to Scale) 5 HV256 A112304 ...

Page 6

... DOC #: DSFP-HV256 X( µ µ m) Pad Name ...

Page 7

MQFP PACKAGE OUTLINE (FG 0.551 (14.0) 0.677 (17.2) 100 0.063 (1.6) 1 0.1063 ± 0.0079 (2.70 ± 0.20) 0.0111 ± 0.013 (2.825 ± 0.325) Note: Circle (e. indicates JEDEC Reference. Doc. #: DSPD-100MQFPFG ©2004 Supertex ...

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