LTC6601-1 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC6601-1

Low Noise, 0.5% Tolerance, 5MHz to 28MHz, Pin Confi gurable Filter/ADC Driver

Linear Technology 

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APPLICATIONS INFORMATION

LTC6601-1

20 19 18 17 16

LTC6601-1

1

15

20 19 18 17 16

LTC6601-1

75Ω

1

15

2

+

VIN

20Ω 150Ω

4

–

5

2

+

VOUT(DIFF)

VIN

20Ω

75Ω

4

–

11

5

VOUT(DIFF)

11

6 7 8 9 10

6 7 8 9 10

GAIN = 1

fO = 6.954MHz

Q = 0.54

f–3dB = 5MHz

GAIN = 2.3

fO = 6.964MHz

Q = 0.54

f–3dB = 5MHz

20 19 18 17 16

LTC6601-1

75Ω

1

15

2

+

VIN

20Ω

75Ω

4

–

5

VOUT(DIFF)

11

6 7 8 9 10

GAIN = 3.3

fO = 6.964MHz

Q = 0.54

f–3dB = 5MHz

66011 F14a

Gain Magnitude vs Frequency (Gain = 1)

10

0

–10

–20

–30

–40

–50

–60

100k

1M

10M

FREQUENCY (Hz)

100M

66011 F14b

Passband Phase and Group Delay

30

0 PHASE

–30

–60

–90

–120 GROUP DELAY

50

40

30

20

10

0

100k

0

2M 4M 6M 8M 10M

FREQUENCY (Hz)

66011 F14c

Figure 14. Modified Filter Configuration Using a Capacitor and a Resistor Between Summing Nodes (f–3dB = 5MHz)

66011f

33

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