LT1491CS datasheet(5/12 Pages) LINER

Part #	LT1491CS

Description	Dual and Quad Micropower Rail-to-Rail Input and Output Op Amps

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Manufacturer	LINER [Linear Technology]

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5

LT1490/LT1491

TYPICAL PERFORMANCE CHARACTERISTICS

TOTAL SUPPLY VOLTAGE (V)

0

10

30

40

50

70

10

20

25

45

1490/91 G01

20

80

60

515

30

35

40

TA = 125°C

TA = 25°C

TA = –55°C

Supply Current vs Supply Voltage

COMMON MODE VOLTAGE (V)

4.0

2000

6000

5.6

1490/91 G03

30

10

4000

20

0

–10

4.4

4.8

5.2

44

TA = 125°C

TA = –55°C

TA = 25°C

VS = 5V, 0V

TOTAL SUPPLY VOLTAGE (V)

0

200

400

4

1490/91 G02

0

–200

100

300

–100

–300

– 400

1

2

3

5

TA = 25°C

TA = 125°C

TA = –55°C

Minimum Supply Voltage

Input Bias Current

vs Common Mode Voltage

Output Saturation Voltage

vs Input Overdrive

SOURCING LOAD CURRENT (mA)

0.001

0.01

0.1

1

10

0.01

0.1

1

1490/90 G04

VS = ±2.5V

VOD = 30mV

TA = –55°C

TA = 125°C

TA = 25°C

Output Saturation Voltage

vs Load Current (Output High)

Output Saturation Voltage

vs Load Current (Output Low)

SINKING LOAD CURRENT (mA)

0.001

0.01

0.1

1

10

0.01

0.1

1

1490/90 G05

VS = ±2.5V

VOD = 30mV

TA = –55°C

TA = 125°C

TA = 25°C

INPUT OVERDRIVE (mV)

0

60

80

100

80

1490/91 G06

40

20

50

70

90

30

10

0

20

40

60

10

90

30

50

70

100

VS = ±2.5V

NO LOAD

OUTPUT HIGH

OUTPUT LOW

0.1Hz to 10Hz Noise Voltage

FREQUENCY (Hz)

1

40

50

60

70

10

100

1k

1490/91 G08

30

80

FREQUENCY (Hz)

1

10

100

1k

1490/91 G09

0.20

0.25

0.30

0.35

0.15

0.10

0.05

0

TIME (SEC)

24

6

8

1490 G07

10

1

03

5

7

9

VS = ±2.5V

Noise Voltage Density

vs Frequency

Input Noise Current vs Frequency

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LT1491CS Datasheet(PDF) 5 Page - Linear Technology

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