LT1638CDDTRPBF Просмотр технического описания (PDF) - Linear Technology

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LT1638CDDTRPBF

1.2MHz, 0.4V/µs Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps

Linear Technology 

LT1638/LT1639

TYPICAL PERFORMANCE CHARACTERISTICS

Settling Time to 0.1% vs

Output Step

10

VS = ±15V

8

AV = 1

6

4

AV = –1

2

0

–2

–4

AV = –1

–6

AV = 1

–8

–10

0

5 10 15 20 25 30 35

SETTLING TIME (μs)

1638/39 G21

Total Harmonic Distortion + Noise

vs Frequency

10

VS = 3V, 0V

VOUT = 2VP-P

VCM = 1.2V

1 RL = 20k

0.1

0.01

0.001

0.01

AV = –1

AV = 1

0.1

1

10

FREQUENCY (kHz)

100

1638/39 G24

Capacitive Load Handling,

Overshoot vs Capacitive Load

100

90

VS = 5V, 0V

VCM = 2.5V

80 ISOURCE = 150μA

70

60

50

AV = 5

40

AV = 1

30

AV = 10

20

10

0

10

100

1000

10000

CAPACITIVE LOAD (pF)

1638/39 G22

Total Harmonic Distortion + Noise

vs Load Resistance

10

VS = 3V TOTAL

AV = 1

VIN = 2VP-P AT 1kHz

1

VS = ±1.5V

VIN = ±1V

0.1

VS = 3V, 0V

0.01

VIN = 0.5V TO 2.5V

VS = 3V, 0V

VIN = 0.2V TO 2.2V

0.001

0.1

1

10

100

LOAD RESISTANCE TO GROUND (kΩ)

1638/39 G25

Undistorted Output Swing

vs Frequency

35

30

VS = ±15V

DISTORTION ≤ 1%

RL = 20k

25

20

15

10

VS = ±2.5V

5

0

0.1

1

10

100

FREQUENCY (kHz)

1638/39 G23

Total Harmonic Distortion + Noise

vs Output Voltage

10

RL = 10k, f = 1kHz

VCM = HALF SUPPLY

AV = –1, VS = ±1.5V

1

AV = –1, VS = 3V, 0V

AV = 1, VS = ±1.5V

AV = 1, VS = 3V, 0V

0.1

0.01

0.001

0

1

2

OUTPUT VOLTAGE (VP-P)

3

1638/39 G26

Open-Loop Gain

VS = ±15V

RL = 2k

RL = 10k

RL = 50k

Large-Signal Response

Small-Signal Response

–20V –10V 0V 10V 20V

OUTPUT VOLTAGE (5V/DIV)

1638/39 G27

10

VS = ±15V

AV = 1

1638/39 G28

VS = ±15V

AV = 1

CL = 15pF

1638/39 G29

16389fg

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