LTC6084 查看數據表（PDF） - Linear Technology

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LTC6084

Dual/Quad 1.5MHz, Rail-to-Rail, CMOS Amplifiers

Linear Technology 

LTC6084/LTC6085

TYPICAL PERFORMANCE CHARACTERISTICS

Capacitive Load Handling

50

VS = 5V

45 VCM = 2.5V

40 AV = –1

35

RS = 10Ω

30

RS = 50Ω

25

20

15

10

5

0

10

1k

–

RS

1k +

CL

100

1000

CAPACITIVE LOAD (pF)

10000

60845 G17

Channel Separation vs Frequency

–90

–95

–100

VS = 5V

VCM = 2.5V

TA = 25°C

–105

–110

–115

–120

–125

–130

–135

0.001

0.01

0.1

1

FREQUENCY (MHz)

10

60845 G19

Total Harmonic Distortion and

Noise vs Frequency

1

VS = 3V

VCM = 1.5V

RL = 10k

0.1

AV = –2, VIN = 1VP-P

AV = 2, VIN = 1VP-P

0.01

AV = 1, VIN = 2VP-P

AV = 1,

VIN = 1VP-P

0.001

0.01

0.1

1

10

100

FREQUENCY (kHz)

60845 G20

Total Harmonic Distortion and

Noise vs Frequency

1

VS = 5V

VCM = 2.5V

RL = 10k

0.1

AV = 2, VIN = 1VP-P

0.01

AV = –2, VIN = 1VP-P

0.001

AV = 1, VIN = 2VP-P

AV = 1, VIN = 1VP-P

0.0001

0.01

0.1

1

10

FREQUENCY (kHz)

100

60845 G21

Total Harmonic Distortion and

Noise vs Output Voltage

10

RL = 10k

VCM = VS/2

1 AV = 1

VS = 3V AT 20kHz

0.1

0.01

VS = 5V AT 20kHz

0.001

VS = 3V AT 1kHz

VS = 5V AT 1kHz

0.0001

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5

OUTPUT VOLTAGE (VP-P)

60845 G22

Total Harmonic Distortion and

Noise vs Load Resistance

0.1

AV = 1

VCM = VS/2 AT 1kHz

0.01

0.001

VS = 3V, VIN = 1VP-P

VS = 5V, VIN = 2VP-P

0.0001

0.1

1

10

100

LOAD RESISTANCE TO GROUND (kΩ)

60845 G23

Small Signal Response

Small Signal Response

Large Signal Response

100mV/DIV

100mV/DIV

1V/DIV

VS = 5V

AV = 1

RL = ∞

2μs/DIV

60845 G24

8

VS = 5V

AV = 1

RL = ∞

CL = 220pF

2μs/DIV

60845 G25

VS = 5V

AV = 1

RL = ∞

20μs/DIV

60845 G26

60845f

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