OPA1678 datasheet(10/46 Pages) TI1

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±160

±150

±140

±130

±120

±110

±100

±90

±80

±70

±60

100

10k

100k

10M

Frequency (Hz)

C006

100

120

140

100

10k

100k

10M

Frequency (Hz)

CMRR

PSRR(+)

PSRR(-)

C006

-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

-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

-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

-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

OPA1678, OPA1679

SBOS855A – FEBRUARY 2017 – REVISED MAY 2018

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Product Folder Links: OPA1678 OPA1679

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Typical Characteristics (continued)

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

VOUT = 3 VRMS

RL = 2 kΩ

Bandwidth = 80 kHz

Figure 7. THD+N Ratio vs Frequency

VOUT = 3 VRMS

RL = 600 Ω

Bandwidth = 80 kHz

Figure 8. THD+N Ratio vs Frequency

f = 1 kHz

RL = 2 kΩ

Bandwidth = 80 kHz

Figure 9. THD+N Ratio vs Output Amplitude

f = 1 kHz

RL = 600 Ω

Bandwidth = 80 kHz

Figure 10. THD+N Ratio vs Output Amplitude

VOUT = 3 VRMS

Gain = 1 V/V

Figure 11. Channel Separation vs Frequency

Figure 12. CMRR and PSRR vs Frequency

(Referred to Input)

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