Edition 1.0

March 1999

2

InGaAs-APD/Preamp

Receiver

FRM5W621KT/LT

Parameter

Storage Temperature

Operating Temperature

Supply Voltage

APD Supply Voltage

Symbol

Tstg

-40 to +85

-40 to +85

-7 to 0

0 to VB

V

V

°C

°C

Top

Vss

VR (Note 1)

APD Reverse Current

1.0

mA

IR (Note 2)

Ratings

Unit

ABSOLUTE MAXIMUM RATINGS (Tc=25°C)

Parameter

APD Responsivity

APD Breakdown Voltage

Maximum Overload

Symbol

R15

R13

OPTICAL & ELECTRICAL CHARACTERISTICS (Tc=25°C, λ=1,310/1,550nm, Vss=-5.2V, unless

otherwise specified)

VB

Bandwidth

Sensitivity

BW

Power Supply Current

Iss

Pr

Po

A/W

A/W

dBm

V

mA

Unit

MHz

V

dBm

Limits

-

-

-39

Max.

0.80

0.75

-

467

40

70

-

-41

dBm

-

-5

-

dBm

-

-7

-

-42

550

Equivalent Input

Noise Current Density

in

pA/

Hz

3.2

-

2.64

50

Temperature Coefficient of VB

γ

V/

°C

0.08

0.15

0.12

AC Transimpedance

Zt

k

Ω

3.0

-

3.8

0.85

0.85

-

-5.2

40

-

-

-

Min.

Typ.

-40

-

Test Conditions

1,550nm, M=1

1,310nm, M=1

Power Supply Voltage

Vss

-4.94

-5.46

Tc=-40 to +85

°C

622Mb/s NRZ,

VR is set at

optimum value

Tc=-40 to +85

°C, M=3

622Mb/s NRZ, M=3,

VR is set at

optimum value

AC-Coupled, RL=50

Ω,

Average within BW

AC-Coupled, RL=50

Ω,

M=3 to 15,

-3dBm from 1MHz

AC-Coupled, f=10MHz,

RL=50

Ω,

Pin <=-20dBm,

(Note 3)

ID=10

µA

Note: (1) VB differs from device to device. VB data is attached to each devices.

(2) CW condition

(3)

γ=dVB/dTC