SFBD-1250B4Q1R

Note (5). Transmitter eye mask definition

4. Specification of Receiver

 

1+ Y3

 

 

 

 

 

 

1

 

 

 

 

 

Amplitude

1- Y1

 

 

 

 

 

0.5

 

 

 

 

 

 

 

 

 

 

 

Normalized

Y1

 

 

 

 

 

0

 

 

 

 

 

 

-Y2

 

 

 

 

 

 

0

X1

X2

1- X2

1-X1

1

Normalized Time

 

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Input Optical Wavelength

λIN

1260

1310

1360

nm

PIN-PD

Receiver Sensitivity

PIN

 

 

-23

dBm

Note (1)

Input Saturation Power (Overload)

PSAT

-3

 

 

dBm

 

Signal Detect -Assert Power

PA

 

 

-24

dBm

 

Signal Detect -Deassert Power

PD

-44

 

 

dBm

Note (2)

Signal Detect Hysteresis

PA-PD

0.5

2

5

dB

 

Data Output Rise/Fall time

tr/tf

 

 

260

ps

Note (3)

Optical Receiver Reflectance

 

 

 

-12

dB

Note (4)

Optical

Isolation

1550 to 1560nm

 

 

 

-33

dB

 

from

External

 

 

 

 

 

 

 

1640 to 1665nm

 

 

 

-33

dB

 

Source

 

 

 

 

 

Note (1). Measured with Light source 1490nm, ER=9dB; BER =<10-12@PRBS=27-1 NRZ Note (2). When SD deasserted, the data output is Low-level (fixed)

Note (3). These are 20%~80% values.

Note (4). Measured at wavelength of 1310nm.

5. Electrical Interface Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Transmitter

 

 

 

 

 

 

Total Supply Current

ICC

 

 

A

mA

Note (1)

Differential line input Impedance

RIN

90

100

110

Ohm

 

Differential Data Input Swing

VDT

400

 

1600

mVp-p

Note (2)

Transmitter Disable Input-High

VDISH

2

 

VCC

V

LVTTL

Transmitter Disable Input-Low

VDISL

0

 

0.8

V

 

 

Receiver

 

 

 

 

 

 

Total Supply Current

ICC

 

 

B

mA

Note (1)

Differential Data Output Swing

VDR

400

800

1200

mVp-p

Note (2)

Signal Detect Output Voltage-High

VLOSH

2

 

Vcc+0.3

V

Note (3)

Signal Detect Output Voltage-Low

VLOSL

0

 

0.8

V

 

 

 

 

3

 

 

 

Revision: S0

 

 

 

 

 

 

04/12/2007

DELTA ELECTRONICS, INC.

 

 

 

 

www.deltaww.com

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Delta Electronics SFBD-1250B4Q1R Specification of Receiver, Electrical Interface Characteristics, Pin-Pd, Pa-Pd, Lvttl