9

Receiver Electrical/Optical Characteristics

0

°C to 70°C, 4.75 V ≤ V

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

Ref.

Input Optical Power

–21.6

–9.5

dBm

Notes 1,

Level for Logic “0”

2, 4

–21.6

–8.7

Input Optical Power

–43

dBm

Note 1

Level for Logic “1”

High Level Output Current

5

250

µAV

Note 3

Low Level Output Current

0.4

0.5

V

Note 3

High Level Supply

3.5

6.3

mA

Note 3

Current

Low Level Supply Current

6.2

10

mA

Note 3

Effective Diameter

D

1

mm

Numerical Aperture

NA

0.5

Internal Pull-up Resistor

680

1000

1700

Ω

Notes:

1. Optical flux, P (dBm) = 10 Log [P (

µW)/1000 µW].

2. Measured at the end of the fiber optic cable with large area detector.

increased pulse width distortion of the receiver output signal.

Absolute Maximum Ratings

Parameter

Symbol

Min.

Max.

Units

Reference

Storage Temperature

–40

+85

°C

Operating Temperature

–40

+85

°C

Lead Soldering Cycle

Temp.

260

°C

Note 1

Time

10

sec

Supply Voltage

–0.5

7

V

Note 2

Output Collector Current

25

mA

Output Collector Power Dissipation

40

mW

Output Voltage

–0.5

18

V

Pull-up Voltage

–5

V

Fan Out (TTL)

N

5

Notes:

1. 1.6 mm below seating plane.

2. It is essential that a bypass capacitor 0.01

µF be connected from pin 2 to pin 3 of the receiver. Total lead length between both ends

of the capacitor and the pins should not exceed 20 mm.

Pin #

Function

2

Ground

5

Do not connect

8

Do not connect

Note: Pins 5 and 8 are for mounting and

retaining purposes only. Do not

electrically connect these pins.

HFBR-25X1 Receiver

4

3

2

1

DO NOT CONNECT

5

DO NOT CONNECT

8

RL

VCC

GROUND

VO

1000

Ω