6.6 Typical Characteristics

at TA = 25°C, VS+ = 2.5 V, VS– = –2.5 V, VIN+ = 0 V, RF = 453 Ω, gain = 7 V/V, RL = 200 Ω, and output load referenced to

midsupply (unless otherwise noted)

Frequency (Hz)

-15

-12

-9

-6

-3

0

3

6

1M

10M

100M

1G

5G

D500

Gain = +7 V/V

Gain = 7 V/V

Gain = +10 V/V

Gain = +20 V/V

G = +39.2 V/V

VOUT = 100 mVPP; for circuit configuration, see Section 7

Figure 6-1. Small-Signal Frequency Response vs Gain

Frequency (Hz)

-12

-9

-6

-3

0

3

1M

10M

100M

1G

5G

D502

VS = 5 V

VS = 3.3 V

VOUT = 100 mVPP

Figure 6-2. Small-Signal Frequency Response

vs Supply Voltage

Frequency (Hz)

-12

-9

-6

-3

0

3

1M

10M

100M

1G

5G

D503

RL = 100 :

RL = 200 :

RL = 400 :

VOUT = 100 mVPP

Figure 6-3. Small-Signal Frequency Response vs Output Load

Frequency (Hz)

-9

-6

-3

0

3

1M

10M

100M

D504

TA = 40qC

TA = 0qC

TA = +25qC

TA = +85qC

TA = +125qC

Gain = 39.2 V/V, RF = 953 Ω, VOUT = 100 mVPP

Figure 6-4. Small-Signal Frequency Response

vs Ambient Temperature

Frequency (Hz)

-12

-10

-8

-6

-4

-2

0

2

4

1M

10M

100M

1G

D505

RS = 16.5 :, C L = 10 pF

RS = 8 :, C L = 47 pF

RS = 5.6 :, C L = 100 pF

RS = 1.6 :, C L = 1 nF

VOUT = 100 mVPP; for circuit configuration, see Figure 7-3

Figure 6-5. Small-Signal Frequency Response

vs Capacitive Load

Frequency (Hz)

-12

-9

-6

-3

0

3

1M

10M

100M

1G

D506

Gain = +7 V/V

Gain = 7 V/V

Gain = +10 V/V

Gain = +20 V/V

VOUT = 2 VPP

Figure 6-6. Large-Signal Frequency Response vs Gain

OPA855

SBOS622D – JULY 2018 – REVISED MAY 2025

www.ti.com

8

Submit Document Feedback

Copyright © 2025 Texas Instruments Incorporated

Product Folder Links: OPA855