Advance Data Sheet

©2009 CADEKA Microcircuits LLC

www.cadeka.com

9

Application Information

General Description

The CLCx011 family of amplifiers are single supply, general

purpose, voltage-feedback amplifiers. They are fabricated

on a complimentary bipolar process, feature a rail-to-rail in-

put and output, and are unity gain stable.

Basic Operation

Figures 1, 2, and 3 illustrate typical circuit configurations for

non-inverting, inverting, and unity gain topologies for dual

supply applications. They show the recommended bypass

capacitor values and overall closed loop gain equations.

+

-

0.1μF

6.8μF

Output

Input

0.1μF

6.8μF

Figure 1. Typical Non-Inverting Gain Circuit

Figure 2. Typical Inverting Gain Circuit

+

-

0.1μF

6.8μF

Output

G = 1

Input

0.1μF

6.8μF

Figure 3. Unity Gain Circuit

Power Dissipation

Power dissipation should not be a factor when operating

under the stated 10k ohm load condition. However, ap-

plications with low impedance, DC coupled loads should

be analyzed to ensure that maximum allowed junction

temperature is not exceeded. Guidelines listed below can

be used to verify that the particular application will not

cause the device to operate beyond it’s intended operat-

ing range.

Maximum power levels are set by the absolute maximum

junction rating of 150°C. To calculate the junction tem-

needs to be subtracted from the total power delivered by

the supplies.

Supply power is calculated by the standard power equa-

tion.

Power delivered to a purely resistive load is:

the effect of the feedback network. For instance,

These measurements are basic and are relatively easy to

perform with standard lab equipment. For design purpos-

es however, prior knowledge of actual signal levels and

load impedance is needed to determine the dissipated

can be calculated as above with the desired signal ampli-

tudes using:

+

-

0.1μF

6.8μF

Output

For optimum input offset

Input

0.1μF

6.8μF