OPA828 datasheet(12/47 Pages) TI2

12 / 47 page

6.6 Typical Characteristics (continued)

At TA = 25°C, RL = 2 kΩ connected to midsupply, and VCM = VOUT = midsupply, and VS = ±18 V (unless otherwise noted)

Frequency (Hz)

-20

-10

100

10k

100k

10M

100M

G = 1

G =

−1

G = 10

G = +100

Figure 6-25. Closed-Loop Gain vs Frequency

Temperature(oC)

-60

-40

-20

100

120

140

-0.4

-0.3

-0.2

-0.1

0.1

0.2

0.3

0.4

Figure 6-26. Open-Loop Gain vs Temperature

Figure 6-27. Open-Loop Output Impedance vs Frequency

Capacitive Load (pF)

100

200

300

400

500

600

700

800

900 1000

RISO = 0 :

RISO = 25 :

RISO = 50 :

Gain = +1

Figure 6-28. Small-Signal Overshoot vs Capacitive Load

Capacitive Load (pF)

100

200

300

400

500

600

700

800

900 1000

-3

RISO = 0 :

RISO = 25 :

RISO = 50 :

Gain = –1

Figure 6-29. Small-Signal Overshoot vs Capacitive Load

Time (200 Ps/div)

Input

Output

Gain = +1

Figure 6-30. No Phase Reversal

OPA828, OPA2828

SBOS671D – SEPTEMBER 2018 – REVISED DECEMBER 2022

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