1874I 데이터 시트보기 (PDF) - STMicroelectronics

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1874I

1.8V input/output rail-to-rail low power operational amplifiers

STMicroelectronics 

TS1871-TS1872-TS1874

Electrical characteristics

Figure 43. Distortion vs. frequency

0.014

0.012

Vcc = 1.8V

Vout = 1Vpp

RL = 1Kohms

gain = -1

0.010

0.008

0.006

0,004.

1E+1

1E+2

1E+3

1E+4

Frequency (Hz)

Figure 44. Distortion vs. frequency

0.015

0.013

0.010

Vcc = 3V

Vout = 1Vpp

RL = 1Kohms

gain = -1

0.007

0.005

0.003

1E+5

0.000

1E+1

1E+2

1E+3

1E+4

Frequency (Hz)

1E+5

Figure 45. Distortion vs. frequency

0.150

0.125

0.100

Vcc = 1.8V

Vout = 1Vpp

RL = 32 ohms

gain = -1

0.075

0.050

0.025

0.000

1E+1

1E+2

1E+3

1E+4

Frequency (Hz)

Figure 46. Distortion vs. frequency

0.150

0.125

0.100

Vcc = 3V

Vout = 1Vpp

RL = 32 ohms

gain = -1

0.075

0.050

0.025

1E+5

0.000

1E+1

1E+2

1E+3

1E+4

Frequency (Hz)

1E+5

Figure 47. Output power vs. supply voltage

60

RL = 32 ohms

50

40

10% distortion

1% distortion

30

0.1% distortion

20

10

0

1

2

3

4

5

6

Supply voltage (V)

15/26

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