LT1677 Ver la hoja de datos (PDF) - Linear Technology

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LT1677

Low Noise, Rail-to-Rail Precision Op Amp

Linear Technology 

LT1677

TYPICAL PERFOR A CE CHARACTERISTICS

Settling Time vs Output Step

(Inverting)

12

0.01% OF

10

FULL SCALE VIN 5k

– 5k

+

VOUT

8

0.1% OF

6 FULL SCALE

0.01% OF

FULL SCALE

4

0.1% OF

FULL SCALE

2 VS = ±15V

AV = –1

TA = 25°C

0

–10 –8 –6 –4 –2 0 2 4 6 8 10

OUTPUT STEP (V)

1677 G32

Output Short-Circuit Current

vs Time

50

VS = ±15V

40

–55°C

30

25°C

20

10

125°C

–30

25°C

–35

125°C

–40

–55°C

–45

–50

0

1

2

3

4

TIME FROM OUTPUT SHORT TO GND (MIN)

1677 G23

Total Harmonic Distortion and

Noise vs Frequency for Inverting

Gain

0.1

ZL = 2k/15pF

VO = 20VP-P

AV = –1, –10, – 100

MEASUREMENT BANDWIDTH

= 10Hz TO 80kHz

0.01

AV = –100

0.001

AV = –10

AV = –1

0.0001

20

100

1k

FREQUENCY (Hz)

8

10k 20k

1677 G25

Settling Time vs Output Step

(Noninverting)

12

VS = ±15V

10

AV = 1

TA = 25°C

– 2k

2k +

VIN

VOUT

RL = 1k

8

0.01% OF

0.01% OF

6

FULL SCALE

FULL SCALE

4

0.1% OF

2 FULL SCALE

0.1% OF

FULL SCALE

0

–10 –8 –6 –4 –2 0 2 4 6 8 10

OUTPUT STEP (V)

1677 G33

Closed-Loop Output Impedance

vs Frequency

100

10

1

AV = +100

0.1

AV = +1

0.01

0.001

10

100

1k

10k 100k 1M

FREQUENCY (Hz)

1677 G31

Total Harmonic Distortion and

Noise vs Output Amplitude for

Noninverting Gain

1

ZL = 2k/15pF

fO = 1kHz

AV = +1, +10, +100

0.1

MEASUREMENT BANDWIDTH

= 10Hz TO 22kHz

AV = 100

0.01

AV = 10

0.001

AV = 1

0.0001

0.3

1

10

OUTPUT SWING (VP-P)

30

1677 G26

Output Voltage Swing

vs Load Current

V+ 0

0.1 VS = ±15V

0.2

–55°C

0.3

0.4

0.5

25°C

0.6

125°C

0.7

0.5

0.4

125°C

0.3 25°C

0.2

0.1 –55°C

V– 0

–10 –8 –6 –4 –2 0 2 4 6

ISINK

ISOURCE

OUTPUT CURRENT (mA)

8 10

1677 G22

Total Harmonic Distortion and

Noise vs Frequency for

Noninverting Gain

0.1

ZL = 2k/15pF

VO = 20VP-P

AV = +1, +10, +100

MEASUREMENT BANDWIDTH

= 10Hz TO 80kHz

0.01

AV = 100

0.001

AV = 10

AV = 1

0.0001

20

100

1k

FREQUENCY (Hz)

10k 20k

1677 G24

Total Harmonic Distortion and

Noise vs Output Amplitude for

Inverting Gain

1

ZL = 2k/15pF

fO = 1kHz

AV = –1, –10, –100

0.1

MEASUREMENT BANDWIDTH

= 10Hz TO 22kHz

AV = –100

0.01

AV = –10

0.001

AV = –1

0.0001

0.3

1

10

OUTPUT SWING (VP-P)

30

1677 G27

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