LTC6601-2 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC6601-2

Low Power, Low Distortion, 5MHz to 27MHz, Pin Confi gurable Filter/ADC Driver

Linear Technology 

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APPLICATIONS INFORMATION

LTC6601-2

VIN(DIFF)

ZIN(DIFF) = 400Ω

20 19 18 17 16

LTC6601-2

1

2

+

200Ω

4

–

5

15

VOUT(DIFF)

11

VIN(DIFF)

ZIN(DIFF) = 200Ω

6 7 8 9 10

GAIN = 1

fO = 11.28MHz

Q = 0.835

f–1dB = 10MHz

f–3dB = 13MHz

20 19 18 17 16

LTC6601-2

1

15

2

+

4

–

VOUT(DIFF)

5

11

6 7 8 9 10

GAIN = 2

fO = 11.28MHz

Q = 0.835

f–1dB = 10MHz

f–3dB = 13MHz

66012 F14a

Gain Magnitude vs Frequency (Gain = 1)

5

0

–5

–10

–15

–20

–25

–30

–35

–40

100k

1M

10M

FREQUENCY (Hz)

100M

66012 F14b

Passband Phase and Group Delay

30

0

PHASE

–30

–60

–90

–120

50

40

GROUP DELAY

30

20

10

0

100k

4M

8M

12M

FREQUENCY (Hz)

0

16M

66012 F14c

Figure 14. Modified Filter Configuration Using a Resistor Between Summing Nodes (f–3dB = 13MHz)

66012f

33

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