AD8322 Ver la hoja de datos (PDF) - Analog Devices

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AD8322

5 V CATV Line Driver Coarse Step Output Power Control

Analog Devices 

Typical Performance Characteristics–AD8322

5V

10␮F

0.1␮F

+1/2 VIN

–1/2 VIN

75⍀

75⍀

0.1␮F

432⍀

0.1␮F

VIN+

VCC

OUT+

AD8322

VIN–

BYP

OUT–

GND

0.1␮F

CL

1:1

0.1␮F

TOKO

617DB-A0070

+

75⍀ VO

–

0.1␮F

DEVICE UNDER TEST

TPC 1. Test Circuit

E 0.15

f = 10MHz

0.10

T 0.05

0.00

–0.05

f = 5MHz

f = 42MHz

E –0.10

–0.15

f = 65MHz

L –0.20

–0.25

–0.30

–0.35

1

2

4

8

16

32

64

128

O GAIN CONTROL – Decimal

TPC 2. Gain Error vs. Gain Control

32

PO = 60dBmV

@ MAX GAIN

30

CL = 0pF

28

CL = 10pF

CL = 20pF

26

CL = 50pF

24

1

10

100

FREQUENCY – MHz

TPC 4. AC Response for Various Capacitor Loads

S 36

GC128

30

GC64

B 24

GC32

18

12

GC16

OGC8

f = 10MHz

–32 PD = 1

–36

6

–40

GC4

0

GC2

–6

–44

GC1

–12

–18

1

10

100

1k

FREQUENCY – MHz

TPC 3. AC Response vs. Gain Control

–48

1

2

4

8

16

32

64

128

GAIN CODE – Decimal

TPC 5. Output Noise vs. Gain Code

REV. 0

–5–

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