MAX4081 Maxim, MAX4081 Datasheet - Page 3

• Manufacturer Part Number: MAX4081
• Description: The MAX4080/MAX4081 are high-side, current-sense amplifiers with an input voltage range that extends from 4
• Manufacturer: Maxim

DC ELECTRICAL CHARACTERISTICS (continued)
(V
T
OUT Low Voltage
REF1A = REF1B Input Voltage
Range (MAX4081 Only)
REF1A Input Voltage Range
(MAX4081 Only)
REF1A Rejection Ratio
(MAX4081 Only)
REF/REF1A Ratio
(MAX4081 Only)
REF1A Input Impedance
(MAX4081 Only)
MAX
CC
, unless otherwise noted. Typical values are at T
= V
76V, High-Side, Current-Sense Amplifiers with
RS+
PARAMETER
= 4.5V to 76V, V
_______________________________________________________________________________________
REF1A
SYMBOL
(V
= V
(V
V
V
REF1A
V
GND
GND
REF
REF1B
OL
)
)
-
-
= 5V (MAX4081 only), V
V
V
2.5V, V
-1000mV (for
MAX4081 only)
Inferred from REF1A rejection ratio,
V
Inferred from REF1A rejection ratio,
V
V
V
V
V
V
CC
REF1A
REF1A
REF1B
CC
REF1A
REF1A
CC
REF1B
A
= V
= V
= V
= +25°C.) (Notes 1, 2)
SENSE
= V
= V
= V
= V
= 10V, V
= V
RS+
RS+
RS+
REF1B
REF1B
REF1B
GND
GND
= 48V (Note 2)
= 48V,
= 48V, V
=
CONDITIONS
REF1B
= 1.5V to 6V
=
SENSE
I
I
100µA
OUT
OUT
= V
SENSE
GND
(sinking) = 10µA
(sinking) =
= 0V,
= (V
,
RS+
- V
Voltage Output
RS-
) = 0V, R
0.497
MIN
1.5
80
3
LOAD
0.500
TYP
108
250
23
4
= 100kΩ, T
0.503
MAX
15
55
12
6
A
= T
UNITS
mV
dB
kΩ
MIN
V
V
to
3