Micrel, Inc.

SY88307BL

November 2007

5

M9999-111507-C

hbwhelp@micrel.com or (408) 955-1690

AC Electrical Characteristics

Ω to V

Symbol

Parameter

Condition

Min

Typ

Max

Units

Output RiseFall Time

(20% to 80%)

Note 4

150

ps

Deterministic

Random

Note 5

Note 6

15

5

Differential Input Voltage Swing

Figure 1

5

1800

Differential Output Voltage Swing

1500

LOS De-assert Time

2

10

µs

LOS Assert Time

2

10

µs

Low LOS De-assert Level

R = 15k

Ω, Note 8

27

Low LOS Assert Level

R = 15k

Ω, Note 8

18

Low LOS Hysteresis

R = 15k

Ω, Note 7

3.4

dB

Medium LOS De-assert Level

R = 5k

Ω, Note 8

53

80

Medium LOS Assert Level

R = 5k

Ω, Note 8

21

36

LOS Hysteresis

R = 5k

Ω, Note 7

2

3.5

6

dB

High LOS De-assert Level

R = 100

Ω, Note 8

137

200

High LOS Assert Level

R = 100

Ω, Note 8

70

94

High LOS Hysteresis

R = 100

Ω, Note 7

2

3.5

6

dB

3dB Bandwidth

1.8

GHz

Differential Voltage Gain

42

dB

Single-ended Small-Signal Gain

30

36

dB

Notes:

4. Amplifier in limiting mode. Input is a 200MHz, 100mVpp square wave.

7. This specification defines electrical hysteresis as 20log (LOS De-assert/LOS Assert). The ratio between optical hysteresis and electrical

hysteresis is found to vary between 1.5 and 2, depending upon the level of received optical power and ROSA characteristics. Based upon that

ratio, the optical hysteresis corresponding to the electrical hysteresis range 2dB-6dB, shown in the AC characteristics table, will be 1dB-3dB

Optical Hysteresis.

de-assert amplitude.