AD8015

REV. A

–7–

NC = NO CONNECT

1

2

3

4

8

7

6

5

1

2

5

6

7

3

4

8

16

15

12

11

10

14

13

9

SDOUT

AVCC

PIN

NIN

AVCC

THRADJ

AVEE

AD807

NC

NC

+OUT

–OUT

R10

154

R11

154

R6 100

C7

R5 100

R1

100

R2

100

C1

0.1µF

C2

0.1µF

C3

0.1µF

DATAOUTN

DATAOUTP

CLKOUTN

CLKOUTP

C4

0.1µF

C6

0.1µF

R4

100

R8 100

R7 100

R3

100

C8

R12

154

TP1

TP2

DAMPING

CAP,0.22µF

R11

154

C5

0.1µF

CD

TP8

TP7

SDOUT

C1

100pF

C11

TP6

TP5

100

pF

R13

THRADJ

C9

10µF

C10

GND

TP4

R14

50

R15

50

R16

301

R17

3.65k

C13

0.1µF

5V

TP3

AD8015

C15

0.1µF

15pF

10µF

0.1µF

15pF

0.1µF

0.01µF

ABB HAFO

1A227

FC HOUSING

0.8 A/W, 0.7pF

2.5GHz

NOTES

1. ALL CAPS ARE CHIP,

15pF ARE MICA.

2. 150 nH ARE SMT

C14

0.1µF

50

Ω

LINE

50

Ω

LINE

C12

2.2µF

150nH

150nH

DATAOUTN

DATAOUTP

VCC2

CLKOUTN

CLKOUTP

VCC1

CF1

CF2

Figure 16. 155 Mbps Fiber Optic Receiver Schematic

Table I. AD8015, AD807 Fiber Optic Receiver Circuit:

Output Bit Error Rate & Output Jitter vs. Average Input Power

Average Optical

Output Bit

Output Jitter

Input Power (dBm)

Error Rate

(ps rms)

–6.4

Loses Lock

–6.45

1.2

–6.50

7.5

–6.60

9.4

–6.70

1

–7.0 to

1

< 40

–35.50

–36.00

3.0

< 40

–36.50

4.8

–37.00

2.8

–37.50

8.2

–38.00

1.3

–38.50

1.1

–39.00

1.0

–39.1

1.3

–39.20

1.9

–39.25

2.2

–39.30

Loses Lock