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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LTC6601-1

APPLICATIONS INFORMATION

VIN

ZIN(DIFF) = 800

20 19 18 17 16

LTC6601-1

1

15

2

+

24.9Ω

4

–

VOUT(DIFF)

5

11

12.4Ω

VIN

ZIN(DIFF) = 225

12.4Ω

6 7 8 9 10

GAIN = 1

fO = 7.971MHz

Q = 0.67

f–3dB = 7.5MHz

20 19 18 17 16

LTC6601-1

1

15

2

+

4

–

VOUT(DIFF)

5

11

6 7 8 9 10

GAIN = 3.56

fO = 7.971MHz

Q = 0.67

f–3dB = 7.5MHz

12.4Ω

VIN

ZIN(DIFF) = 175.6

12.4Ω

20 19 18 17 16

LTC6601-1

1

15

2

+

4

–

VOUT(DIFF)

5

11

6 7 8 9 10

GAIN = 4.55

fO = 7.971MHz

Q = 0.67

f–3dB = 7.5MHz

66011 F15a

Gain Magnitude vs Frequency (Gain = 1)

10

0

–10

–20

–30

–40

–50

–60

100k

1M

10M

FREQUENCY (Hz)

100M

66011 F15b

Passband Phase and Group Delay

30

0 PHASE

–30

–60

–90

–120

50

GROUP DELAY

40

30

20

10

0

100k

0

2M 4M 6M 8M 10M

FREQUENCY (Hz)

66011 F15c

Figure 15. Modified Filter Configuration Using a Resistor Between Summing Nodes (f–3dB = 7.5MHz)

66011f

34

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