6.6 Typical Characteristics: VS = ±5 V

at TA ≅ 25°C, VS+ = +5 V, VS– = –5 V, closed-loop gain (G) = 7 V/V, VCM = midsupply, RF = 301 Ω, RL = 100 Ω to midsupply,

small-signal VO = 100 mVPP, and large-signal VO = 2 VPP (unless otherwise noted)

Frequency (Hz)

-12

-9

-6

-3

0

3

1M

10M

100M

1G

D001

G = 7 V/V, RF = 301 :

G = 10 V/V, RF = 301 :

G = 20 V/V, RF = 301 :

G = 50 V/V, RF = 3.01 k:

G = 100 V/V, RF = 3.01 k:

VO = 100 mVPP

Figure 6-1. Noninverting Small-Signal Frequency Response

Frequency (Hz)

-15

-12

-9

-6

-3

0

3

10M

100M

1G

D002

G = 7 V/V

G = 10 V/V

G = 20 V/V

VO = 100 mVPP

Figure 6-2. Inverting Small-Signal Frequency Response

Frequency (Hz)

-15

-12

-9

-6

-3

0

3

10M

100M

1G

D005

G = 7 V/V

G = 10 V/V

G = 20 V/V

G = 50 V/V

G = 100 V/V

VO = 2 VPP

Figure 6-3. Noninverting Large-Signal Frequency Response

Frequency (Hz)

-15

-12

-9

-6

-3

0

3

10M

100M

1G

D006

G = 7 V/V

G = 10 V/V

G = 20 V/V

VO = 2 VPP

Figure 6-4. Inverting Large-Signal Frequency Response

Frequency (Hz)

-1

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1

1M

10M

100M

D007

G = 7 V/V, RF = 301 :

G = 10 V/V, RF = 301 :

G = 20 V/V, RF = 301 :

G = 100 V/V, RF = 3.01 k:

Figure 6-5. Gain Flatness vs Frequency

Frequency (Hz)

-15

-12

-9

-6

-3

0

3

10M

100M

1G

D008

TA = 40qC

TA = 25qC

TA = 85qC

Figure 6-6. Noninverting Small-Signal Frequency Response

Over Temperature

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OPA818

SBOS940B – MAY 2019 – REVISED DECEMBER 2025

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