Low Cost,
Voltage Output, High-Side, Current-Sense Amplifier ADM4073
FEATURES
Low cost, compact, current-sense solution Three available gain versions 20 V/V (ADM4073T) 50 V/V (ADM4073F) 100 V/V (ADM4073H) Typical ±1.
0% full-scale accuracy 500 μA supply current Wide 1.
8 MHz bandwidth 3 V to 28 V operating supply Wide 2 V to 28 V common-mode range Independent of supply
voltage Operates from −40°C to +125°C Available in a 6-lead SOT-23 package Pin-to-pin compatibility with the MAX4073
FUNCTIONAL BLOCK DIAGRAM
2V TO 28V RS+ IRG1 RG1 RG2 ILOAD RSENSE RS– VOUT
3V TO 28V 0.
1µF
VCC
AV
ADM4073
CURRENT MIRROR IRGD GND RGD = 12kΩ
05131-003
VOUT
APPLICATIONS
Cell phones, PDAs...