Datasheet

PARAMETER SYMBOL CONDITIONS
MIN TYP MAX
UNITS
MAX4211A/D
16.67
MAX4211B/E
25.00
Current-Sense Amplifier Gain
V
IOUT
/
V
SENSE
MAX4211C/F
40.96
V/V
MAX421_A
0.667
MAX421_B
1.00
V
POUT
/
(V
SENSE
x
V
RS+
)
MAX421_C
1.64
MAX421_D
16.67
MAX421_E
25.00
Power-Sense Amplifier Gain
V
POUT
/
(V
SENSE
x V
IN
)
MAX421_F
40.96
1/V
IOUT Common-Mode Rejection
CMRI MAX4211, V
RS+
= 4V to 28V 60 80 dB
POUT Common-Mode Rejection
CMRP MAX421_D/E/F, V
RS+
= 4V to 28V 60 80 dB
IOUT Power-Supply Rejection PSRI V
CC
= 2.7V to 5.5V 52 80 dB
POUT Power-Supply Rejection PSRP V
CC
= 2.7V to 5.5V 52 70 dB
Output Resistance for POUT,
IOUT, REF
R
OUT
0.5 Ω
IOUT -3dB Bandwidth
BW
IOUT/SENSE
V
SENSE
= 100mV, V
SENSE
AC source 220 kHz
BW
POUT/SENSE
V
SENSE
= 100mV, V
SENSE
AC source 220
BW
POUT/VIN
V
SENSE
= 100mV, V
IN
AC source,
MAX421_D/E/F
500
POUT -3dB Bandwidth
BW
POUT/RS+
V
SENSE
= 100mV, V
RS+
AC source,
MAX421_A/B/C
250
kHz
Capacitive-Load Stability
(POUT, IOUT, REF)
C
LOAD
No sustained oscillations 450 pF
V
S E N S E
= 10m V to 100m V
15
Current Output (IOUT) Settling
Time to 1% of Final Value
MAX4211
V
S E N S E
= 100m V to 10m V
15
µs
V
S E N S E
= 10m V to 100m V
10
V
S E N S E
= 100m V to 10m V
10
V
RS+
= 4V to 25V,
V
SENSE
= 100mV
15
M AX 421_A/B/C
V
RS+
= 25V to 4V,
V
SENSE
= 100mV
15
V
S E N S E
= 10m V to 100m V
10
V
S E N S E
= 100m V to 10m V
10
V
IN
= 160mV to 1V,
V
SENSE
= 100mV
10
Power Output (POUT) Settling
Time to 1% of Final Value
M AX 421_D /E /F
V
IN
= 1V to 160mV,
V
SENSE
= 100mV
10
µs
MAX4210/MAX4211
High-Side Power and
Current Monitors
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 5.0V, V
RS+
= 25V, V
SENSE
= 5mV, V
IN
= 1.0V, V
LE
= 0V, R
IOUT
= R
POUT
= 1MΩ, V
CIN1+
= V
CIN2+
= V
REF
, V
CIN1-
= V
CIN2-
=
GND, V
INHIBIT
= 0V, R
COUT1
= R
COUT2
= 5kΩ connected to V
CC
, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at
T
A
= +25°C, unless otherwise noted.) (Note 1)