HV256
Ordering Information
Package Options
Maximum Output
Nominal Closed
Loop Gain
Device
Voltage
100 Lead MQFP
HV256FG
Die
HV256X
HV256
295V
72V/V
Absolute Maximum Ratings*
VPP, High voltage supply
310V
8.0V
VDD, Low voltage positive supply
VNN, Low voltage negative supply
VIN, Analog input signal
-7.0V
0V to VDD
-65°C to 150°C
150°C
Storage temperature range
Maximum junction temperature
*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.
Electrical Characteristics (Over operating conditions unless otherwise noted.)
Symbol
Parameter
Typ
Units
Condition
Min
Max
Operating Conditions
V
V
VPP
VDD
VNN
IPP
High voltage positive supply
Low voltage positive supply
Low voltage negative supply
VPP supply current
125
6.0
300
7.5
-6.5
0.8
4.3
-4.5
V
mA
=300V, All HVOUT=0V, No Load
= 6.0V to 7.5V
VPP
VDD
VNN
IDD
INN
TJ
VDD supply current
mA
mA
˚C
VNN supply current
-5.2
-10
= -4.5V to -6.5V
Junction temperature range
125
High Voltage Amplifier
V
HVOUT
HVOUT voltage swing
0
0
VPP-5
5.00
50
VIN
Input voltage range
V
Input voltage offset
VINOS
mV
Input referred.
HVOUT slew rate rise
2.2
2.0
4.0
100
72.0
12
V/µs No Load
V/µs No Load
SR
HVOUT slew rate fall
V
PP=300V
BW
AO
HVOUT -3dB channel bandwidth
Open loop gain
KHz
dB
70
68.4
9.6
0
AV
Closed loop gain
75.6
V/V
KΩ
pF
RFB
CLOAD
Feedback resistance from HVOUT to ground
HVOUT capacitive load
3000
715
µA
ISOURCE HVOUT sourcing current limiting range
385
385
550
550
RSOURCE=25KΩ
RSINK=25KΩ
µA
ISINK
HVOUT sinking current limiting range
715
External resistance range for setting current
source limit
RSOURCE
25
25
250
250
KΩ
KΩ
External resistance range for setting current
sink limit
RSINK
CTDC
DC channel to channel crosstalk
-80
-40
dB
dB
Power supply rejection ratio for VPP, VDD, and VNN
PSRR
2
A112304
SUPERTEX [ Supertex, Inc ]
