3425
FEATURES
I Two Matched Hall Switches On A Single Substrate
I I I I I I I I
1 mm Sensor-to-Sensor Spacing Superior Temperature Stability Resistant to Physical Stress Output Short-Circuit Protection Operation From Unregulated Supply Reverse Battery Protection Solid-State Reliability Integrated ESD Protection on Outputs and Supply
Always order by plete part number, e.g., A3425LK .
3425 DUAL, CHOPPER-STABILIZED, ULTRA-SENSITIVE, BIPOLAR HALL-EFFECT SWITCH
FUNCTIONAL BLOCK DIAGRAM
1 SUPPLY
REG.
TO ALL SUBCIRCUITS
E1
DYNAMIC OFFSET CANCELLATION
OUTPUT1
LOW-PASS FILTER SAMPLE & HOLD
2 CONTROL
CURRENT LIMIT <1Ω
E2
DYNAMIC OFFSET CANCELLATION
OUTPUT2
LOW-PASS FILTER SAMPLE & HOLD
3 CONTROL
CURRENT LIMIT <1Ω GROUND 4
Dwg. FH-020-7
ALLOWABLE PACKAGE POWER DISSIPATION IN WATTS
FREE AIR, R θJA = 177°C/W
0...
