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

VIN

ZIN(DIFF) = 400

20 19 18 17 16

LTC6601-1

1

15

2

+

49.9Ω

4

–

VOUT(DIFF)

5

11

24.9Ω

VIN

ZIN(DIFF) = 250

24.9Ω

20 19 18 17 16

LTC6601-1

1

15

2

+

4

–

VOUT(DIFF)

5

11

6 7 8 9 10

GAIN = 0

fO = 11.27MHz

Q = 0.64

f–3dB = 10MHz

6 7 8 9 10

GAIN = 1.6

fO = 11.27MHz

Q = 0.64

f–3dB = 10MHz

VIN

ZIN(DIFF) = 164

20 19 18 17 16

LTC6601-1

1

15

24.9Ω

2

+

24.9Ω

4

–

VOUT(DIFF)

5

11

6 7 8 9 10

GAIN = 2.6

fO = 11.27MHz

Q = 0.64

f–3dB = 10MHz

66011 F16a

Gain Magnitude vs Frequency (Gain = 1)

10

0

–10

–20

–30

–40

–50

100k

1M

10M

FREQUENCY (Hz)

100M

66011 F16b

Passband Phase and Group Delay

30

0 PHASE

–30

–60

–90

–120

50

40

GROUP DELAY

30

20

10

0

100k

0

4M 8M 12M 16M 20M

FREQUENCY (Hz)

66011 F16c

Figure 16. Modified Filter Configuration Using a Resistor Between Summing Nodes (f–3dB = 10MHz)

66011f

35

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