Specifications

Sensors
Recommended solutions
www.digikey.com/maxim-industrial 91
Current sensing
Part Description Features Benefits
ADCs
MAX11600–
MAX11605
MAX11606–
MAX11611
MAX11612–
MAX11617
Multichannel, low-power, ADCs with
I
2
C interface
Low cost; 8-/12-bit; 4-/8-/12-channels; differential
inputs; low power (6µA at 1ksps);I
2
C
Sense multiple currents and voltages at low cost
MAX11618*–
MAX11625*
MAX11626*–
MAX11633*
MAX11634*–
MAX11637*
MAX11638*–
MAX11643*
Multichannel, FIFO ADCs with an SPI
interface
Low cost; 8-/12- bit; 8-/12-/16-channels;
differential inputs; internal FIFO; SPI
Sense multiple currents and voltages at low cost with
a family of SPI ADCs
Amplifiers
MAX9918/19/20 Precision, uni-/bidirectional current-
sense amplifiers
-20V to +75V input common-mode range (CMR);
400µV (max) input offset voltage (V
OS
); choice of
gains
Precise current monitoring for even negative
common-mode voltages; needs no additional
circuitry
MAX9922/23 Ultra-precision, high-side current-
sense amplifiers
25µV (max) offset voltage (V
OS
); > 0.5% gain
accuracy; choice of gains
Allows precise current measurements even at very
small sense voltages
MAX9928F/29F Ultra-small, uni-/bidirectional, high-
side current-sense amplifiers
-0.1V to +28V input CMRR with 20µA quiescent
supply current; choice of gains
Save space for battery-monitoring applications
MAX4211 High-side power and current monitor
with diagnostics for state of health
Real-time power and current monitor;
programmable diagnostic detector
Integrated solution for current monitoring; speeds
design
Recommended solutions (continued)
*Future part—contact factory for availability.
For a list of Maxim’s recommended current-sensing solutions, please go to: www.maxim-ic.com/detect.