Single/Dual/Quad, High-Side Current-Sense
Amplifiers with Internal Gain
ELECTRICAL CHARACTERISTICS (continued)
(V
RS+
= 0 to 28V, V
SENSE
= (V
RS+
- V
RS-
) = 0V, V
CC
= +3.0V to +28V, R
L
=
∞,
T
A
= T
MIN
to T
MAX,
unless otherwise noted. Typical
values are at T
A
= 25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
V
SENSE
= 100mV
(gain = +20V/V)
Bandwidth
BW
V
CC
= 12V
V
RS+
= 12V
C
LOAD
= 15pF
V
SENSE
= 100mV
(gain = +50V/V)
V
SENSE
= 100mV
(gain = +100V/V)
V
SENSE
= 6.25mV (Note 3)
Slew Rate
Gain
SR
A
V
V
SENSE
= 20mV to 100mV, C
LOAD
= 15pF
MAX437_T
MAX437_F
MAX437_H
V
SENSE
= 10mV to 150mV,
V
CC
= 12V, I
OUT
= 2mA,
gain = 20 and 50
V
SENSE
= 10mV to 150mV,
V
CC
= 20V, I
OUT
= 2mA,
gain = 100
T
A
= T
MIN
to T
MAX
T
A
= +25°C
T
A
= T
MIN
to T
MAX
T
A
= +25°C
V
SENSE
= 6.25mV
to 100mV
V
SENSE
= 100mV
to 6.25mV
±0.5
400
ns
800
1000
5
66
90
2
1
1
pF
Ω
dB
µs
µs
µs
±0.5
MIN
TYP
2
1.7
1.2
0.5
10
+20
+50
+100
±5.5
±2.5
%
5.5
±2.5
V/V
V/µs
MAX
UNITS
MAX4376/MAX4377/MAX4378
MHz
Gain Accuracy
∆A
V
OUT Setting Time to 1% of Final
Value
Maximum Capacitive Load
Output Resistance
Power-Supply Rejection
Power-Up Time to 1% of Final
Value
Saturation Recovery Time to 1%
of Final Value
Reverse Recovery Time to 1%
of Final Value
C
LOAD
R
OUT
PSR
V
CC
= 12V, V
RS+
= 12V,
C
LOAD
= 15pF
No sustained oscillation
V
SENSE
= 100mV
V
RS+
> 2V, V
OUT
= 1.6V, V
CC
= 3V to 28V
V
SENSE
= 100mV, C
LOAD
= 15pF
V
CC
= 12V, V
RS+
= 12V, C
LOAD
= 15pF,
V
SENSE
= 100mV
V
CC
= 12V, V
RS
_ = 12V, C
LOAD
= 15pF,
V
SENSE
= -100mV to +100mV
Note 1:
Note 2:
Note 3:
Note 4:
All devices are 100% production tested at T
A
= +25°C. All temperature limits are guaranteed by design.
Total OUT Voltage Error is the sum of gain and offset errors.
6.25mV = 1/16 of 100mV full-scale sense voltage.
V
SENSE
such that V
OUT
is in saturation.
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
