AD8320_15 datasheet(5/20 Pages) AD

No de pièce	AD8320

Description	Serial Digital Controlled Variable Gain Line Driver

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Fabricant	AD [Analog Devices]

Site Internet	http://www.analog.com

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Typical Performance Characteristics–AD8320

–5–

REV. 0

GAIN CONTROL – Decimal

0

0.3

0.1

0.2

0

0.1

0.2

0.3

VCC = 12V

F = 10MHz

T = +85 C

T = +25 C

T =

40 C

64

128

192

256

Figure 4. Gain Error vs. Gain Control

at Various Temperatures

FREQUENCY – Hz

30

20

100k

1G

1M

10M

100M

10

0

10

VCC = 5V

20

01D

00D

85D

170D

255D

Figure 7. AC Response

GAIN CONTROL – Decimal

80

064

128

192

256

75

70

65

60

55

50

45

40

+85 C

40 C

+25 C

F = 10MHz

VCC = 12V

Figure 10. Output Referred Noise vs.

Gain Control at Various Temperatures

GAIN CONTROL – Decimal

0.45

0

0.30

0.15

0.45

64

128

192

256

0.15

F = 10MHz

T = +25 C

VCC = 5V

VCC = 12V

0.30

Figure 6. Gain Error vs. Gain Control

at Different Supply Voltages

FREQUENCY – Hz

20

100k

1G

1M

10M

100M

90

VCC = 12V, PIN = 8dBm

VCC = 5V, PIN = 14dBm

MAX GAIN

PD = 0V

30

40

50

60

70

80

100

Figure 9. Input Signal Feedthrough

vs. Frequency

FREQUENCY – Hz

30

100k

1M

10M

100M

40

MAX GAIN, VCC = 5V

50

MAX GAIN, VCC = 12V

MIN GAIN, VCC = 12V

MIN GAIN, VCC = 5V

60

70

80

90

Figure 12. Output Referred Noise vs.

Frequency

GAIN CONTROL – Decimal

0.6

0.3

0

0.9

0.6

1.2

64

128

192

256

10MHz

42MHz

65MHz

0

0.3

VCC = 12V

T = +25 C

Figure 5. Gain Error vs. Gain Control

at Various Frequencies

FREQUENCY – Hz

30

20

100k

1G

1M

10M

100M

10

0

10

VCC = 12V

20

01D

00D

85D

170D

255D

Figure 8. AC Response

GAIN CONTROL – Decimal

80

064

128

192

256

F = 10MHz

75

70

65

60

55

50

45

40

VCC = 5V

VCC = 12V

Figure 11. Output Referred Noise vs.

Gain Control at Different Supply

Voltages

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Description similaire - AD8320_15

Fabricant	No de pièce	Fiches technique	Description
Analog Devices	AD8320	583Kb / 20P	Serial Digital Controlled Variable Gain Line Driver REV. 0
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