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National Semiconductor Electronic Components Datasheet

FOR261F Datasheet

Monolithic TTL Fiber-Optic Receiver

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~National
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ADVANCE INFORMATION
FOR261 F Monolithic TTL Fiber-Optic Receiver
General Description
The FOR261 F is a high speed monolithic fiber -optic re-
ceiver accepting optical input and providing TTL outputs
at NRZ data rates to 10 Mbits/s with only 7IJW of optical
power. It is available in a short ferrule package which is
compatible with Amphenol™ and AMp™ standard recep-
tacles.
Features
• Single +5V supply
• Optical input, TTL output
• 10 Mbits/s NRZ data rate with only 7IJW of peak
optical power
• < 10-9 bit error rate
• Short ferrule package with 250IJm diameter optical
port .
• Compatible with AMP #227240-1 and Amphenol
#905-135-5000 connectors
• Temperature compensated input
Applications
• Data communications
• Optical modem
• Industrial machine control
• Peripheral control/communications
Equivalent Circuit
VSIAS
Vee
AMP is a trademark of AMP Corp.
Amphenol is a trademark of Bunker Ramo Corp.
GNO
13-26
~1CD
Bottom View
Order Number FOR261 F
See NS Package FO-03A


National Semiconductor Electronic Components Datasheet

FOR261F Datasheet

Monolithic TTL Fiber-Optic Receiver

No Preview Available !

Absolute Maximum Ratings
Vee Supply Voltage
+7V
PIN Optical Power Input
350/JWpeak
TSTG Storage Temperature
-25°C to +85°C
TA Operating Temperature Range
-25°C to +85°C
Lead Temperature (Soldering, 10 seconds)
300°C
Electrical and Optical Characteristics Vee = +5V, TA = 25°C, A=820nm
Parameter
Conditions
lee Supply Current
Output High
Output Low
Vee=5.5V
VOL Output Low Voltage
PIN = 7/JW, IOL= 16mA
VO H Output High Voltage
BW Data Rate (NRZ)
PIN=0/JW,loH =-400/JA
PIN = 7/JW, BER<10-1o
NA Numerical Aperture
Fiber Core Diameter
NEP
Noise Equivalent Power
10 Hz to 10 MHz
tr Output Rise Time
t, Output Fall Time
tpd Propagation Delay:
Optical Input to TTL Output
PIN =7/-1W, pk
PIN =7/JW pk
P1N=7/-1W pk
Typ.
12
16
0.5
2.7
10
0.5
400
14
40
40
80
Applications Information
The FOR261 F is a monolithic fiber-optic receiver. It ac-
cepts optical input and gives TTL output. Figure 1 shows
a tYPIcal application using the FOT180B fiber-optic
transmitter as the optical source, and the FOR261 F as
the receiver. With 7/-1W of input optical power, this
configuration is capable of data rates to 10 Mbits/s NRZ.
Application Circuit
AMPHENOI.!" CONNECTOR #905-143-5000
TRANSMITTER
/
EQFUOIOTVR"DALBE,N,r-~'7-'7..//~I
~.~
.~
FOR
[261F
~l1
2
0.01
~ OUTPUT
.l!: ""' Vce
/
----.!t-}
T
T-
3 3IlF
.
AMP#227240-1
OR AMPHENOL #905-135-5000
.J-:.
'
Units
rnA
V
V
Mbits/s
/-1m
nW
ns
13-27


Part Number FOR261F
Description Monolithic TTL Fiber-Optic Receiver
Maker National Semiconductor
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FOR261F Datasheet PDF






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1 FOR261F Monolithic TTL Fiber-Optic Receiver
National Semiconductor





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