LT1491AHS datasheet(9/16 Pages) LINER

Part #	LT1491AHS

Description	Dual/Quad Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT1490A/LT1491A

sn1490, 14901afbs

Open-Loop Gain

Large-Signal Response

Small-Signal Response

OUTPUT VOLTAGE (5V/DIV)

–10V

0V

10V

VS = ±15V

1490A G26

1490A G27

RL = 2k

RL = 50k

Undistorted Output Swing

vs Frequency

Settling Time to 0.1%

vs Output Step

Capacitive Load Handling,

Overshoot vs Capacitive Load

Total Harmonic Distortion + Noise

vs Frequency

Total Harmonic Distortion + Noise

vs Load Resistance

FREQUENCY (kHz)

0.1

20

25

30

35

1

10

100

1490A G19

15

10

5

0

DISTORTION

≤1%

VS = ±15V

VS = 5V, 0V

SETTLING TIME (

µs)

0

–10

–8

–4

–2

0

10

4

40

80

100

1490A F20

–6

6

8

2

20

60

120 140

160

VS = ±15V

AV = –1

AV = 1

FREQUENCY (kHz)

0.01

0.1

1

10

0.01

1

10

1490A G22

0.001

0.1

VS = 3V, 0V

VOUT = 2VP-P

VCM = 1.2V

RL = 50k

AV = –1

AV = 1

LOAD RESISTANCE TO GROUND (k

Ω)

0.01

0.1

1

10

0.1

10

100

1490A G23

0.001

1

VS = 3V TOTAL

AV = 1

VIN = 2VP-P AT 1kHz

VS = ±1.5V

VIN = ±1V

VS = 3V, 0V

VIN = 0.5V TO 2.5V

VS = 3V, 0V

VIN = 0.2V TO 2.2V

OUTPUT VOLTAGE (VP-P)

0.01

1

10

02

3

1490A G24

0.001

1

0.1

RL = 10k

VCM = HALF SUPPLY

f = 1kHz

AV = 1

VS = 3V, 0V

AV = –1

VS = 3V, 0V

AV = –1

VS = ±1.5V

AV = 1

VS = ±1.5V

Total Harmonic Distortion + Noise

vs Output Voltage

RL = 10k

VS = ±15V

AV = –1

VS = ±15V

AV = 1

CAPACITIVE LOAD (pF)

20

40

60

50

80

100

10

30

70

90

10

100

1000

10000

1490A G21

0

VS = 5V, 0V

ISOURCE = 170µA

AV = 1 AV = 2

AV = 5

AV = 10

TYPICAL PERFOR A CE CHARACTERISTICS

1490A G25

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LT1491AHS Datasheet(PDF) 9 Page - Linear Technology

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