OPA1677DBVT datasheet(10/51 Pages) TI

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6.8 Typical Characteristics (continued)

at TA = 25°C, VS = ±15 V, and RL = 2 kΩ, (unless otherwise noted)

-140

-120

-100

-80

-60

0.00001

0.0001

0.001

0.01

0.1

100

10k

Frequency (Hz)

Gain = 10 V/V

Gain = 1 V/V

Gain = -1 V/V

C002

VOUT = 3 VRMS

RL = 2 kΩ

Bandwidth = 80 kHz

Figure 6-7. THD+N Ratio vs Frequency

-140

-120

-100

-80

-60

0.00001

0.0001

0.001

0.01

0.1

100

10k

Frequency (Hz)

Gain = 10 V/V

Gain = 1 V/V

Gain = -1 V/V

C002

VOUT = 3 VRMS

RL = 600 Ω

Bandwidth = 80 kHz

Figure 6-8. THD+N Ratio vs Frequency

-140

-120

-100

-80

-60

0.00001

0.0001

0.001

0.01

0.1

0.001

0.01

0.1

Output Amplitude (V

RMS)

Gain = 1 V/V

Gain = -1 V/V

Gain = 10 V/V

C002

f = 1 kHz

RL = 2 kΩ

Bandwidth = 80 kHz

Figure 6-9. THD+N Ratio vs Output Amplitude

-140

-120

-100

-80

-60

0.00001

0.0001

0.001

0.01

0.1

0.001

0.01

0.1

Output Amplitude (V

RMS)

Gain = 1 V/V

Gain = -1 V/V

Gain = 10 V/V

C002

f = 1 kHz

RL = 600 Ω

Bandwidth = 80 kHz

Figure 6-10. THD+N Ratio vs Output Amplitude

±160

±150

±140

±130

±120

±110

±100

±90

±80

±70

±60

100

10k

100k

10M

Frequency (Hz)

C006

VOUT = 3 VRMS

Gain = 1 V/V

Figure 6-11. Channel Separation vs Frequency

100

120

140

100

10k

100k

10M

Frequency (Hz)

CMRR

PSRR(+)

PSRR(-)

C006

Figure 6-12. CMRR and PSRR vs Frequency (Referred to Input)

OPA1677, OPA1678, OPA1679

SBOS855E – JANUARY 2017 – REVISED DECEMBER 2022

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