MITEL 1A212 Datasheet

PRODUCT INFORMATION

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11841.12 1994-09-20

880nm

1A212

High-Performance DUPLEX

Half-Duplex Communication

0.6

14

Ø1.5

Ø4.7

3.7

0.4

5.4

2.5

CASE

ANODE

CATHODE

BOTTOM VIEW

The diode chip is isolated from the case.

TO-46 Package With Lens

All dimensions in mm

This single-chip device operates as
both an Emitter and Detector, and
transmits data over a single fiber in
half- duplex mode—thus reducing
both fiber and component costs when
compared with traditional approaches.

RECEIVING MODE

Thermal Characteristics

Absolute Maximum Ratings

Fiber:

50/125mm

Graded

Index

NA=0.20

Fiber:

50/125mm

Graded

Index

NA=0.20

Optical and Electrical Characteristics

(25°C Case Temperature)

Note 1: Measured at the exit of 100 meters of fiber.

EMITTING MODE

PARAMETER SYMBOL LIMIT

Storage Temperature T

stg

-55 to +1258C

Operating Temperature (derating: Fig.4) T

op

-55 to +1258C

Electrical Power Dissipation(derating: Fig.4) P

tot

160 mW

Continuous Forward Current (f<10 kHz) I

F

80 mA

Peak Forward Current (duty cycle<50%, f>1 MHz) I

FRM

130 mA

Reverse Voltage V

R

2.0 V

Soldering Temperature (2mm from the case for 10 sec) T

sld

2608C

PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION

Fiber-Coupled Power P

fiber

25 55 mW IF=60 mA

(Fig.1,2,&3) (Table1) (Note 1)

Rise and Fall Time tr,t

f

710nsIF=60 mA

(10-90%)

(no bias)

Bandwidth f

c

50 MHz IF=60 mA

(3dBel)

Peak Wavelength l

p

870 880 890 nm IF=60 mA

Spectral Width(FWHM) Dl 50 nm IF=60 mA
Forward Voltage (Fig.5) V

F

1.7 1.9 V IF=60 mA

Responsivity R 0.10 0.15 A/W VR=1V

(Fig. 6,7,&8) (Table2) l=880 nm

Rise and Fall Time tr,t

f

710nsV

R

=1V

(10-90%)

RL=50V

(no bias)

Bandwidth f

c

50 MHz VR=1V

RL=50V

Capacitance C 30 pF VR=1V, f=1MHz
Dark Current I

d

510nAV

R

=1V

PARAMETER SYMBOL MIN. TYP. MAX. UNIT

Thermal Resistance- Infinite Heat Sink R

thjc

200 8C/W

Thermal Resistance- No Heat Sink R

thja

500 8C/W

Temperature Coefficient- Optical Power dP/dT

j

-0.4 %/8C

Temperature Coefficient-Wavelength dl/dT

j

0.3 nm/8C

T emperature Coefficient-Responsivity dR/dT

j 0.2

%/8C

T emperature Coefficient-Dark Current dId/dT

j 2.5

%/8C

880nm

1A212

High-Performance DUPLEX

Core Diameter/Cladding Diameter

Numerical Aperture

50/125m m 62.5/125m m

0.20 0.275

Table 2

Typical Responsivity

0.15A/W 0.15A/W

z - AXIAL DISPLACEMENT OF FIBER

0

20

40

60

80

100

%

0.5

1.0 1.5

2.0

2.5

3.0

mm

RELATIVE FIBER-COUPLED POWER

r

r = opt.

Øc = 50ʵm

z

FIGURE 1

0

20

40

60

80

100

%

0

20 40

60

80

100

µm

r - RADIAL DISPLACEMENT OF FIBER

RELATIVE FIBER-COUPLED POWER

r

z = opt.

Øc = 50ʵm

z

FIGURE 2

0

20

40

60

80

100

%

0

40 80

120

160

200

mA

FORWARD CURRENT

RELATIVE FIBER-COUPLED POWER

50% DUTY CYCLE

DC

HEAT SINKED

FIGURE 3

FIGURE 6

0

20 40

60

80

100

¡C

0

0.2

EMITTER AND DETECTOR TEMPERATURE

0.1

RESPONSIVITY

A/W

FIGURE 8

870 880

890

nm

EMITTER WAVELENGTH

0

0.2

0.1

RESPONSIVITY

FIGURE 7

-50

-30 -10

10

30

50

¡C

0

A/W

0.2

0.1

0

EMITTER MINUS DETECTOR TEMPERATURE

RESPONSIVITY

A/W

FIGURE 4

mW

300

200

100

0

0 50 100

150

¡C

NO HEAT SINK

OPERATING TEMPERATURE

MAX. ELECTRICAL POWER DISSIPATION

INFINITE
HEAT SINK

FIGURE 5

FORWARD VOLTAGE

FORWARD CURRENT

mA

200

100

0

0

1 2

3

V

Core Diameter/Cladding Diameter

Numerical Aperture

50/125mm 62.5/125mm

0.20 0.275

Table 1

Typical Fiber-Coupled Power

55mW 90mW

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