LTC6605-10 데이터 시트보기 (PDF) - Linear Technology

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LTC6605-10

Dual Matched 10MHz Filter with Low Noise, Low Distortion Differential Amplifier

Linear Technology 

LTC6605-10

TYPICAL PERFORMANCE CHARACTERISTICS

Harmonic Distortion

vs Frequency, BIAS High

–40

DIFFERENTIAL INPUTS, HD2

–50

DIFFERENTIAL INPUTS, HD3

SINGLE-ENDED INPUTS, HD2

–60

SINGLE-ENDED INPUTS, HD3

–70

–80

–90

–100

–110

–120

1

10

100

FREQUENCY (MHz)

660510 G05

VIN = 2VP-P, VS = 3V

RL = 400Ω DIFFERENTIAL, GAIN = 1V/V

Harmonic Distortion

vs Frequency, BIAS Floating

–40

DIFFERENTIAL INPUTS, HD2

–50

DIFFERENTIAL INPUTS, HD3

SINGLE-ENDED INPUTS, HD2

–60

SINGLE-ENDED

INPUTS, HD3

–70

–80

–90

–100

–110

–120

1

10

100

FREQUENCY (MHz)

660510 G06

VIN = 2VP-P, VS = 3V

RL = 400Ω DIFFERENTIAL, GAIN = 1V/ V

Harmonic Distortion

vs Input Amplitude

–40

DIFFERENTIAL INPUTS, HD2

–50

DIFFERENTIAL INPUTS, HD3

SINGLE-ENDED

–60

INPUTS, HD2

SINGLE-ENDED

–70

INPUTS, HD3

–80

–90

–100

–110

–120

01

23

4

5

6

VIN (VP-P)

660510 G07

VS = 3V, BIAS TIED TO V+, VINCM = VOCM = 1.5V

RLOAD = 400Ω, fIN = 3MHz, GAIN = 1V/ V

Harmonic Distortion vs Input

Common Mode Voltage (VS = 3V)

–40

DIFFERENTIAL INPUTS, HD2

–50

DIFFERENTIAL INPUTS, HD3

SINGLE-ENDED INPUT, HD2

–60

SINGLE-ENDED INPUT, HD3

–70

–80

–90

–100

–110

–120

–130

–0.5 0 0.5 1 1.5 2 2.5 3

INPUT COMMON MODE VOLTAGE (V)

VIN = 2VP-P, VOCM = 1.5V

BIAS = 3V, f = 3MHz

660510 G08

RL = 400Ω DIFFERENTIAL, GAIN = 1V/ V

Harmonic Distortion vs Input

Common Mode Voltage (VS = 5V)

–40

DIFFERENTIAL

–50

INPUTS, HD2

DIFFERENTIAL

–60

INPUTS, HD3

SINGLE-ENDED

–70

INPUT, HD2

SINGLE-ENDED

INPUT, HD3

–80

–90

–100

–110

–120

–0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5

INPUT COMMON MODE VOLTAGE (V)

VIN = 2VP-P, VOCM = 2.5V

BIAS = 5V, f = 3MHz

660510 G09

RL = 400Ω DIFFERENTIAL, GAIN = 1V/ V

Differential Output Noise

vs Frequency

1000

100

VS =

BIAS

3V

TIED

TO

V+

100

10

1

0.01

10

OUTPUT NOISE

SPECTRAL DENSITY

INTEGRATED OUTPUT

NOISE

0.1

1

10

FREQUENCY (MHz)

1

100

660510 G10

6

Channel Separation vs Frequency

–20

BIAS = V+

–30

BIAS = FLOAT

–40

–50

–60

–70

–80

–90

–100

–110

–120

0.1

1

10

100

FREQUENCY (MHz)

VIN = 1VP-P, VS = 3V

RL = 400Ω DIFFERENTIAL

1000

660510 G11

Overdrive Transient Response

2.0

+OUT

1.5

–OUT

–IN4

1.0

+IN4

0.5

0

–0.5

–1.0

–1.5

–2.0

50ns/DIV

VS = 3V, VOCM = 1.5V

BIAS = 3V, RLOAD = 400Ω

660510 G12

660510f

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