HV257
Absolute Maximum Ratings
V
PP
, High voltage supply
AV
DD
, Analog low voltage positive supply
DV
DD
, Digital low voltage positive supply
AV
NN
, Analog low voltage negative supply
DV
NN
, Digital low voltage negative supply
Logic input voltage
V
SIG
, Analog input signal
SRV
PP
, V
PP
ramp up/down
Storage temperature range
Maximum junction temperature
310V
8.0V
8.0V
-7.0V
-7.0V
-0.5V to DV
DD
0V to 6.0V
TBDV/usec
-65°C to 150°C
150°C
Device
HV257
Package Options
100 Lead MQFP
HV257FG
HV257FG-G
-G indicates package is RoHS compliant (‘Green’)
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.
Operating Conditions
Symbol
V
PP
V
DD
V
NN
I
PP
I
DD
I
NN
T
J
Parameter
High voltage positive supply
Low voltage positive supply
Low voltage negative supply
V
PP
supply current
V
DD
supply current
V
NN
supply current
Operating temperature range
Min
125
6.0
-4.5
-
-
-6.0
-10
Typ
-
-
-
-
-
-
-
Max
300
7.5
-6.5
0.8
5.0
-
85
Units
V
V
V
mA
mA
mA
°C
Conditions
---
---
---
V
PP
= 300V, All HV
OUT
= 0V No load
V
DD
= 6.0V to 7.5V
V
NN
= -4.5V to -6.5V
---
Electrical Characteristics
(over operating conditions, unless otherwise specified)
High Voltage Amplifier
Symbol
HV
OUT
V
INOS
SR
BW
A
O
A
V
R
FB
C
LOAD
I
SOURCE
I
SINK
R
SOURCE
R
SINK
CT
DC
PSRR
Parameter
HV
OUT
voltage swing
Input offset
HV
OUT
slew rate rise
HV
OUT
slew rate fall
HV
OUT
-3dB channel bandwidth
Open loop gain
Closed loop gain
Feedback resistance from HV
OUT
to
ground
HV
OUT
t capacitive load
HV
OUT
sourcing current limiting range
HV
OUT
sinking current limiting range
External resistance range for setting
maximum current source
External resistance range for setting
maximum current sink
DC channel to channel crosstalk
Power supply rejection ratio for V
PP
,
V
DD
, V
NN
Min
0
-
-
-
-
70
68.4
9.6
0
50
50
25
25
-80
-40
Typ
-
-
2.2
2.0
4.0
100
72
12
-
-
-
-
-
-
-
Max
V
PP
-5
±50
-
-
-
-
75.6
-
3000
500
500
250
250
-
-
Units
V
mV
V/µs
V/µs
KHz
dB
V/V
MΩ
pF
µA
µA
KΩ
KΩ
dB
dB
Conditions
---
Input referred
No Load
No Load
V
PP
= 300V
---
---
---
---
I
SOURCE
= 12.5V/R
SOURCE
I
SINK
= 12.5V/R
SINK
---
---
---
---
2
SUPERTEX [ Supertex, Inc ]
