ISL59446 데이터 시트보기 (PDF) - Renesas Electronics

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ISL59446

500MHz Triple 4:1 Gain-of-2, Multiplexing Amplifier

Renesas Electronics 

ISL59446

Typical Performance Curves VS = ±5V, RL = 500 to GND, TA = +25°C, unless otherwise specified.

10

8 VOUT = 0.2VP-P

6

4

2

CL = 8.8pF

CL = 7.4pF

CL = 6.2pF

CL = 4.5pF

10

8

VOUT = 0.2VP-P

6

4

2

CL = 12.6pF

CL = 10.6pF

CL = 8.8pF

CL = 6.2pF

0

0

-2

CL = 3.3pF

-4

CL = 2.1pF

-6

-8

CL INCLUDES 0.6pF

BOARD CAPACITANCE

CL = 1.1pF

CL = 0.6pF

-10

1M

10M

100M

1G

FREQUENCY (Hz)

-2

CL = 4.5pF

-4

CL = 3.3pF

-6

-8

CL INCLUDES 0.6pF

BOARD CAPACITANCE

CL = 2.1pF

CL = 0.6pF

-10

1M

10M

100M

1G

FREQUENCY (Hz)

FIGURE 2. SMALL SIGNAL GAIN vs FREQUENCY vs CL INTO 500

LOAD

FIGURE 3. SMALL SIGNAL GAIN vs FREQUENCY vs CL INTO 150

LOAD

10

8

VOUT = 2VP-P

6

4

CL = 8.8pF

CL = 5.3pF

2

0

-2

CL = 2.1pF

-4

CL = 0.6pF

-6

-8

CL INCLUDES 0.6pF

BOARD CAPACITANCE

-10

1M

10M

100M

1G

FREQUENCY (Hz)

FIGURE 4. LARGE SIGNAL GAIN vs FREQUENCY vs CL INTO 500

LOAD

10

8

VOUT = 2VP-P

6

CL = 12.6pF

4

CL = 5.3pF

2

0

-2

CL = 2.1pF

-4

CL = 0.6pF

-6

-8

CL INCLUDES 0.6pF

BOARD CAPACITANCE

-10

1M

10M

100M

1G

FREQUENCY (Hz)

FIGURE 5. LARGE SIGNAL GAIN vs FREQUENCY vs CL INTO 150

LOAD

2

VOUT = 0.2VP-P

1 CL = 1.1pF

0

RL = 1kΩ

RL = 500Ω

-1

RL = 250Ω

-2

RL = 150Ω

-3

-4

-5

-6

-7

-8

1M

10M

100M

1G

FREQUENCY (Hz)

FIGURE 6. GAIN vs FREQUENCY vs RL

0.3

VOUT = 0.2VP-P

0.2

0.1

0

-0.1

RL = 500Ω

CL = 1.1pF

-0.2

-0.3

-0.4

-0.5

-0.6

-0.7

1M

10M

100M

FREQUENCY (Hz)

FIGURE 7. 0.1dB GAIN FLATNESS

RL = 150Ω

CL = 2.1pF

1G

FN6261 Rev 3.00

July 31, 2014

Page 6 of 14

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