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HFBR-2521Z Datasheet, PDF (14/18 Pages) AVAGO TECHNOLOGIES LIMITED – Versatile Link The Versatile Fiber Optic Connection
HFBR-25X2Z/25X4Z Receivers
DO NOT CONNECT 5
DO NOT CONNECT 8
1000 
4 RL
3 VCC
2 GROUND
1 VO
Pin #
Function
1
VO
2
Ground
3
VCC
4
RL
5
Do not connect
8
Do not connect
Note: Pins 5 and 8 are for mounting and retaining purposes only. Donot
electrically connect these pins.
Absolute Maximum Ratings
Parameter
Symbol
Min.
Max.
Units
Reference
Storage Temperature
TS
–40
+85
°C
Operating Temperature
TA
–40
+85
°C
Lead Soldering Cycle   
Temp.
260
°C
Note 1, 3
              Time
10
sec
Supply Voltage
VCC
–0.5
7
V
Note 2
Output Collector Current
IOAV 25
mA
Output Collector Power Dissipation
POD 40
mW
Output Voltage
VO
–0.5
18
V
Pull-up Voltage
VP
–5
VCC
V
Fan Out (TTL)
N
5
Notes:
1. 1.6 mm below seating plane.
2. It is essential that a bypass capacitor 0.1 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.
3. Moisture sensitivity level (MSL) is 3.
Receiver Electrical/Optical Characteristics 0°C to 70°C, 4.75 V ≤VCC ≤5.25 V unless otherwise specified.
Parameter
Symbol Min. Typ. Max. Units   Conditions
Ref.
Receiver   
HFBR-2522Z
PR(L)
–24 dBm VOL = 0 V
Optical Input IOL = 8 mA
Power Level   HFBR-2524Z
–20
Notes 1, 2, 3
Note 4
Logic 0
Optical Input Power
PR(H) -43 dBm VOH = 5.25 V
Level Logic 1 IOH = ≤250 µA
High Level Output Current
IOH 5
250
µA VO = 18 V, PR = 0
Low Level Output Voltage
VOL 0.4
0.5
V
IOL = 8 mA
PR = PR(L)MIN
High Level Supply Current
ICCH 3.5
6.3
mA VCC = 5.25 V,
PR = 0
Low Level Supply Current
ICCL 6.2
10
mA VCC = 5.25 V,
PR = -12.5 dBm
Effective Diameter
D
1
mm
Note 5
Note 5
Note 5
Note 5
Numerical Aperture
NA
0.5
Internal Pull-up Resistor
RL
680 1000 1700
Ω
Notes:
1. Measured at the end of the fiber optic cable with large area detector.
2. Pulsed LED operation at IF > 80 mA will cause increased link tPLH propagation delay time. This extended tPLH time contributes to increased pulse
width distortion of the receiver output signal.
3. The LED drive circuit of Figure 11 is required for 1 MBd operation of the HFBR-25X2Z/25X4Z.
4. Optical flux, P (dBm) = 10 Log [P(µW)/1000 µW].
5. RL is open.
14