LT1635 데이터 시트보기 (PDF) - Linear Technology

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LT1635

Micropower Rail-to-Rail Op Amp and Reference

Linear Technology 

TYPICAL PERFORMANCE CHARACTERISTICS Op Amp

LT1635

Output Saturation Voltage

vs Input Overdrive

16

VS = ± 2.5V, NO LOAD

14

TA = 25°C

12

OUTPUT HIGH

10

8

6

4

OUTPUT LOW

2

0

0

5 10 15 20 25 30

INPUT OVERDRIVE (mV)

1635 G19

Common Mode Range

vs Temperature

V+

V+ – 0.5

V+ – 1

Output Saturation Voltage

vs Load Current (Output Low)

1000

VS = ± 2.5V

VOD = 30mV

TA = 25°C

100

TA = 125°C

TA = – 55°C

10

1

0.001

0.01

0.1

1

10

SINKING LOAD CURRENT (mA)

1635 G20

Common Mode Rejection Ratio

vs Frequency

120

VS = ±2.5V

TA = 25°C

100

80

V–

V – – 0.5

V– – 1

– 50 – 25

0 25 50 75

TEMPERATURE (°C)

100 125

1635 G22

Output Impedance vs Frequency

10000

1000

VS = ± 2.5V

TA = 25°C

AV = 100

AV = 10

100

AV = 1

60

40

20

0

1

10

100

1k

10k 100k

FREQUENCY (Hz)

1635 G23

Small-Signal Transient Response

VS = ±5V

0V

Output Saturation Voltage

vs Load Current (Output High)

1

VS = ± 2.5V

VOD = 30mV

TA = 25°C

0.1

TA = 125°C

TA = – 55°C

0.01

0.001

0.01

0.1

1

10

SOURCING LOAD CURRENT (mA)

1635 G21

Power Supply Rejection Ratio

vs Frequency

120

100

80

NEGATIVE

SUPPLY

60

VS = ± 2.5V

TA = 25°C

POSITIVE

SUPPLY

40

20

0

0.1 1 10 100 1k 10k 100k

FREQUENCY (Hz)

1635 G24

Small-Signal Transient Response

VS = 5V, 0V

10

1

0.1

1

10

100

1000

FREQUENCY (kHz)

1635 G25

AV = 1

CL = 15pF

50µs/DIV

1635 G26

50µs/DIV

AV = 1

CL = 15pF

INPUT 50mV TO 100mV

1635 G27

7

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