INA159 datasheet(19/52 Pages) TI

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7.6 Typical Characteristics (continued)

at TA = 25°C, VS = ±15 V, VICM = VOCM = midsupply, VCLAMP+ = VS+, VCLAMP– = VS–, G = GIN = GOUT = 1 V/V, and RL = 10 kΩ

(unless otherwise noted)

Frequency (Hz)

0.001

0.01

0.1

-40

100

10k

100k

0.001

0.01

0.1

-60

-80

-100

D040

G = 1

G = 10

G = 100

500-kHz measurement bandwidth

1-VRMS output voltage

100-kΩ load

Figure 7-43. THD+N vs Frequency

Capacitive Load (pF)

100

125

150

175

200

No stable operation

Riso = 0

Riso = 25

Riso = 50

Figure 7-44. Overshoot vs Capacitive Loads

Time ( s)

0.5

1.5

2.5

3.5

4.5

5.5

-100

-50

100

150

200

CL = 40 pF

CL = 76 pF

CL = 100 pF

CL = 130 pF

CL = 150 pF

G = 1

RL = 10 kΩ

Figure 7-45. Small-Signal Response with different Output

Capacitors G = 1 V/V

Time ( s)

-1

-100

-80

-60

-40

-20

100

G = 0.2 V/V

RL = 10 kΩ

CL = 100 pF

Figure 7-46. Small-Signal Response for G = 0.2 V/V

Time ( s)

-1

-90

-60

-30

G = 1 V/V

RL = 10 kΩ

CL = 100 pF

Figure 7-47. Small-Signal Response for G = 1 V/V

G = 10 V/V

RL = 10 kΩ

CL = 100 pF

Figure 7-48. Small-Signal Response for G = 10 V/V

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INA851

SBOS999A – MARCH 2022 – REVISED OCTOBER 2022

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