0.0

0.5

1.0

1.5

2.0

2.5

3.0

0

2

4

6

8

10

12

VIN (V)

C003

0

2

4

6

8

10

12

0

2

4

6

8

10

12

VIN (V)

C001

±0.3

±0.2

±0.1

0.0

0.1

0.2

0.3

0.4

0

2

4

6

8

10

12

VIN (V)

C002

OP07C, OP07D

www.ti.com

SLOS099G – OCTOBER 1983 – REVISED NOVEMBER 2014

Typical Application (continued)

10.2.1 Design Requirements

•

Output range of 2 V to 11 V

•

Input range of 2 V to 11 V

10.2.2 Detailed Design Procedure

10.2.2.1 Output Voltage Swing

The output voltage of an operational amplifier is limited by its internal circuitry to some level below the supply

rails. For this amplifier, the output voltage swing is within ±12 V, which accommodates the input and output

voltage requirements.

10.2.2.2 Supply and Input Voltage

For correct operation of the amplifier, neither input must be higher than the recommended positive supply rail

voltage or lower than the recommended negative supply rail voltage. The chosen amplifier must be able to

operate at the supply voltage that accommodates the inputs. Because the input for this application goes up to

11 V, the supply voltage must be 12 V. Using a negative voltage on the lower rail, rather than ground, allows the

amplifier to maintain linearity for inputs below 2 V.

10.2.3 Application Curves for Output Characteristics

Figure 4. Output Voltage vs Input Voltage

Figure 5. Current Drawn by the Input of the Voltage

Copyright © 1983–2014, Texas Instruments Incorporated

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