User Manual Part 1

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IC DATA

140 MM101271V1 R2A

U12 & U33

Low Offset Voltage Dual Comparators

Motorola, LM393D

U14 & U20

8

th

-Order, Lowpass, Elliptic, Switched-Capacitor Filters

Maxim, MAX294EWE

CONNECTIONS

PIN NAME FUNCTION

1CLK

Clock input – use internal or

external clock.

2 V- Negative Supply pin.

Dual supplies:

-2.375V to –5.5V.

Single supply: V-= 0V.

3OP

OUT

Uncommitted Op-Amp Output

4 OP IN Inverting input to the

uncommitted op amp. The

noninverting op amp is internally

tied to GND.

5 OUT Filter Output

6GND

Ground. In single-supply

operation, GND must be biased

to the mid-supply voltage level.

7 V+ Positive Supply pin. Dual

supplies: +2.375V to +5.5V.

Single supply: +4.75V to +11.0V

8 IN Filter Input.