EK21 datasheet(2/4 Pages) APEX

2 / 4 page

APEX MICROTECHNOLOGY CORPORATION • 5980 NORTH SHANNON ROAD • TUCSON, ARIZONA 85741 • USA • APPLICATIONS HOTLINE: 1 (800) 546-2739

TYPICAL COMPONENT FUNCTIONS

COMPONENT FUNCTION

Feedback resistor, A side

Input resistor, B side, bridge mode

Feedback resistor, B side

Input resistor, B side

Input resistor, A side

Input bias current measurement (Note 4)

Output current sense resistor or loop for

current probe

Output current sense resistor or loop for

current probe

Input bias current measurement (Note 4)

R10

Noise gain compensation (Note 1)

R11

Resistor divider network for single supply

bias (Note 2)

R12

Resistor divider network for single supply

bias (Note 2)

R13

Noise gain compensation (Note 1)

R14

Input bias current measurement

R15

Input bias current measurement

R16

Resistor divider network for single supply

bias (Note 2)

R17

Resistor divider network for single supply

bias (Note 2)

Input coupling

AC gain set

AC gain or stability (Note 1)

Power supply bypass

AC gain or stability (Note 1)

AC gain set

Input coupling

Noise gain compensation (Note 1)

C10

Noise gain compensation (Note 1)

C11

Power supply bypass (Note 3)

C12

Power supply bypass (Note 3)

D1,2,3,4

Flyback protection (Note 5)

C13-16

Bias node noise bypass (Note 2)

EK21

EVALUATION KIT

FOR PA74 PIN-OUT

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