MITEL 8C449 Datasheet

PRODUCT INFORMATION

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Absolute Maximum Ratings

8C449

PIN/Preamp

Datacom, General Purpose, Analog Applications

TO-46 Package With Lens

This device consists of a PIN photo­diode and a transimpedance amplifier
assembled in a TO-46 package. It is
designed for short-distance ATM up
to 155 Mbps. The preamplifier’s lin­earity and absence of automatic gain
control makes it ideal also for analog
applications and applications with
bursty signals.Its double-lens optical
system is designed for single-mode
fiber as well as for multimode fiber
with core diameter up to 62.5

µ

m.

Optical and Electrical Characteristics

(25°C Case Temperature)

Operating Conditions: See table below. Fiber: Single-mode to multimode 62.5/125µm.

13540.11 1998-02-04

Functional schematic

Data out

V

DD

V

SS

____

Data out

0.6

14

Ø1.5

Ø4.7

3.7

5.4

2.5

0.4

V

DD

DATA OUT

____

DATA OUT

BOTTOM VIEW

CASE,

V

SS

PARAMETER SYMBOL MiN. MAX. UNIT

Supply Voltage VDD-V

SS

0 6.0 V

Operating Temperature T

op

-40 85 °C

Storage Temperature T

stg

-55 125 °C

All dimensions in mm

850nm

Recommended Operating Conditions

PARAMETER SYMBOL MIN. TYP. MAX. UNIT

Supply Voltage VDD-V

SS

4.5 5.0 5.5 V

Output Differential Load R

L

13 kV

PRELIMINARY

/

bb

PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION

Responsivity, single ended R 358kV/W l=850 nm

differential 6 10 16 Pf =10 µW

Bandwidth f

c

100 175 MHz

(3dBel)

Noise-Equivalent Power NEP 65 nW l=850 nm
Sensitivity (BER 10

-9

) S -34 dBm

l=850 nm

Extinction Ratio=0

Dynamic Range 25 dB
Output Resistance R

o

50 V

(differential)

Power Supply Current I

DD

35 mA

5.6000

3.3000

Clip for SC-2A

R 1.00

80,000

0.5000

20.8200

10,2500

10.3000

4.9500

0.5000

4.5000

5.0800

3.6450

Clip for Pigtail-3A

0.50

10.70

10.25

10.30

4.95

0.50

4.50

0.85

5.08

3.65