Datasheet

Dual/Quad, Unipolar/Bipolar,
High-Voltage Digital Pulsers
MAX4940/MAX4940A
4 ______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +3V, V
CC
= +12V, V
EE
= -12V, V
PP_
= +100V, V
NN_
= -100V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are
at T
A
= +25NC.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Low-Side Output Impedance
(MAX4940A)
R
OLS
I
OUT_
= -50mA
V
CC
= +12V Q5%
8.5 17
I
V
CC
= +5V Q5%
10.0 21
High-Side Output Impedance
(MAX4940A)
R
OHS
I
OUT_
= -50mA
V
CC
= +12V Q5%
11.5 17
I
V
CC
= +5V Q5%
13.0 21
Low-Side Signal CLAMP Output
Impedance
R
OLSC
I
OUT_
= -50mA
V
CC
= +12V Q5%
18.7 45
I
V
CC
= +5V Q5%
20 60
High-Side Signal CLAMP Output
Impedance
R
OHSC
I
OUT_
= -50mA
V
CC
= +12V Q5%
26.5 45
I
V
CC
= +5V Q5%
37.0 60
PEAK CURRENT
Low-Side Output Current I
OL
V
CC
= +12V Q5%, V
OUT_
- V
NN_
= 100V
1.3 2.0 A
High-Side Output Current I
OH
V
CC
= +12V Q5%, V
OUT_
- V
PP_
= 100V
1.3 2.0 A
Low-Side Output Current Clamp I
OLC
V
CC
= +12V Q5%, V
OUT_
= +40V
0.47 0.9
A
High-Side Output Current Clamp I
OHC
V
CC
= +12V Q5%, V
OUT_
= +40V
0.47 0.9
Off-Output Capacitance C
O(OFF)
MAX4940, MAX4940A (OUT1_) 75
pF
MAX4940A (OUT2_) 45
Off-Output Leakage Current I
LK
V
NN_
= -100V, V
PP_
= +100V, V
EN
= 0,
V
OUT_
= -100V to +100V
Q1 FA
GATE-SOURCE RESISTANCE
Gate-Source Resistance R
GS
V
EN
= V
DD
5 7.5 10
kI
DYNAMIC CHARACTERISTICS (R
L
= 100I, C
L
= 100pF, unless otherwise noted)
Logic Input-to-Output Rise
Propagation Delay (Figure 1)
t
PLH
INN_/INP_ at 50% to OUT_ 10/90%,
V
CC
= +12V, V
PP_
= +5V, V
NN_
= -5V
15 ns
Logic Input-to-Output Fall
Propagation Delay (Figure 1)
t
PHL
INN_/INP_ at 50% to OUT_ 10/90%,
V
CC
= +12V, V
PP_
= +5V, V
NN_
= -5V
15 ns
Logic Input-to-Output Rise
Propagation Delay Clamp
(Figure 1)
t
PLO
INN_/INP_ at 50% to OUT_ 10/90%,
V
CC
= +12V, V
PP_
= +5V, V
NN_
= -5V
15 ns
Logic Input-to-Output Fall
Propagation Delay Clamp
(Figure 1)
t
PHO
INN_/INP_ at 50% to OUT_ 10/90%,
V
CC
= +12V, V
PP_
= +5V, V
NN_
= -5V
15 ns
OUT_ Rise Time (GND to V
PP_
)
(Figure 1)
t
ROP
V
PP_
= +100V, V
NN_
= -100V, 10% to 90%,
V
CC_
= +12V Q5%, V
EE_
= -V
CC_
9 20 ns
OUT_ Rise Time (V
NN_
to V
PP_
)
(Figure 1)
t
RNP
V
PP_
= +100V, V
NN_
= -100V, 10% to 90%,
V
CC_
= +12V Q5%, V
EE_
= -V
CC_
10.5 35 ns
OUT_ Fall Time (GND to V
NN_
)
(Figure 1)
t
FON
V
PP_
= +100V, V
NN_
= -100V, 10% to 90%,
V
CC_
= +12V Q5%, V
EE_
= -V
CC_
9 20 ns
OUT_ Fall Time (V
PP_
to V
NN_
)
(Figure 1)
t
FPN
V
PP_
= +100V, V
NN_
= -100V, 10% to 90%,
V
CC
= +12V Q5%, V
EE_
= -V
CC_
10.5 35 ns
OUT_ Rise Time (V
NN_
to GND)
(Figure 1)
t
RNO
V
PP_
= +100V, V
NN_
= -100V, 10% to 90%,
V
CC
= +12V Q5%, V
EE_
= -V
CC_
17 35 ns