HFBR-0507Z Datasheet, PDF (4/12 Pages) AVAGO TECHNOLOGIES LIMITED – 125 Megabaud Versatile Link The Versatile Fiber Optic Connection

Plastic and Hard Clad Silica Optical Fiber Receiver Application Circuit: Performance^[4] of the HFBR-25X6Z receiver in the recom-
mended application circuit (Figure 1); 1-125 MBd, 25°C unless otherwise stated.
Parameter
Symbol
Typical
Unit
Condition
Note
Data Output Voltage - Low
Data Output Voltage - High
Receiver Sensitivity to Average
Modulated Optical Power 1 mm POF
V
V -1.7
V
OL
CC
R = 50 Ω
L
Note 5
V
V -0.9
V
OH
CC
R = 50 Ω
L
Note 5
P
-27.5
dBm 50% eye opening
Note 2
min
Receiver Sensitivity to Average
Modulated Optical Power 200 μm HCS
P
-28.5
dBm 50% eye opening
Note 2
min
Receiver Overdrive Level of Average
Modulated Optical Power 1 mm POF
P
-7.5
dBm 50% eye opening
Note 2
max
Receiver Overdrive Level of Average
Modulated Optical Power 200 μm HCS
P
-10.5
dBm 50% eye opening
Note 2
max
Receiver Application Circuit Current
Consumption
I
85
mA
R =∞
Figure 1
CC
L
Notes:
4. Performance in response to a signal from the HFBR-15X7Z transmitter driven with the recommended circuit at 1-125 MBd over 1 meter of
HFBR-RZ/EXXYYYZ plastic optical fiber or 1 meter of HFBR-H/VXXYYY hard clad silica optical fiber.
5. Terminated through a 50 Ω resistor to V - 2 V.
CC
6. If there is no input optical power to the receiver, electrical noise can result in false triggering of the receiver. In typical applications, data encod-
ing and error detection prevent random triggering from being interpreted as valid data. Refer to Applications Note 1066 for design guidelines.
9 ^{TX VEE}
8
7
6
5
4
Q2 BASE
Q1 BASE
T_X V_CC
R_X V_CC
NC
3 ^{PIN 19 10H116}
J1
2
1
PIN 18 10H116
R_X V_EE
C1
0.001
L1
CB70-1812
C2
R5
0.1
22
Q1
BFQ52
R6
R7
91
91
Q2
BFQ52
1
2 U1A
3
74ACTQ00
V_CC
14
9
10 U1C
C3
0.1
8
7 ^74ACTQ00
12
13 U1D
11
74ACTQ00
4
5 U1B
6
74ACTQ00
C4
0.001
Q3
2N3904
C5 ⁺
C6
10
0.1
R8*
R9*
C7
0.001
8
1
2
3
U2
4
5 HFBR-15X7Z
C8*
R10
15
R11*
C20 +
C19
10
0.1
V_BB
R22
R24 ^1K
1K
MC10H116FN
18
15
19 U4C 17
C17
0.1
R18
51
C16 _MC10H116FN
0.1
4 ¹⁰ 7
3 U4A 5
C15 R19
0.1
51
20 2
V_CC
3V
R12
C10
4.7
C9
0.1
.47
V_BB
R13
R16
4.7
51
R14
MC10H116FN
1K
C12
9 ¹⁴ 13
0.1
1
8 U4B 12
2
3
R17
R15
C11
4
51
1K
0.1
R25
1K
R23
1K
R20
12
V_BB
3V
V_CC
V_BB
C18
0.1
R21
62
U5
+ _C14
10
C13
0.1
TL431
ALL CAPACITOR VALUES
ARE IN MICRO FARADS,
WITH 10% TOLERANCE
(UNLESS OTHERWISE NOTED).
ALL RESISTANCES ARE IN
OHMS WITH 5% TOLERANCE
(UNLESS OTHERWISE NOTED).
8
U3
5 HFBR-25X6Z
THE VALUES OF R8, R9, R11, AND
C8 ARE DIFFERENT FOR POF AND
HCS DRIVE CIRCUITS.
POF HCS TOLERANCE
R8 300 82
1%
R9 300 82
1%
R11 1K 470
1%
C8 43 pF 120 pF
1%
Figure 1. Transmitter and receiver application circuit with +5 V ECL inputs and outputs.
4