P H O T O D I O D E
GaAs PIN photodiode with preamp
G9804/G9843 series
Receptacle type, 0.85 µm, 1.25, 2.5 Gbps
G9804/G9843 series are high-speed receivers specifically developed for 0.85 µm band optical fiber communications. These devices incorporate a
high-speed, high-sensitivity GaAs PIN photodiode integrated with a high-speed preamp and integrated in a receptacle module. Packages are
available with various connectors and mounting styles.
Features
Applications
High-speed response
Optical fiber communications
IEEE1394
Fiber channel
High gain with AGC (Auto Gain Control)
Low power supply voltage: 3.3 V
Differential output
Gigabit Ethernet
Sensitivity:
-26 to 0 dBm (G9804 series)
-24 to 0 dBm (G9843 series)
Absolute maximum ratings (Ta=25 °C)
ꢀ
Parameter
Supply voltage
Symbol
Vcc
Value
Unit
V
°C
°C
-0.5, +5.0
-40 to +85
-40 to +85
Operating temperature *1 Topr
Storage temperature *1
*1: No condensation
Tstg
ꢀ Electrical and optical characteristics
(Typ. Ta=25 °C, Vcc=3.3 V, Vee=0 V, RL=50 Ω *2, λ=850 nm, unless otherwise noted)
G9804 series
G9843 series
Parameter
Symbol
condition
Unit
Min.
1.2
-
-
0.85
-
-
Typ.
1.7
45
3.0
1
Max.
Min.
Typ.
1.0
45
3.0
2.1
3.0
440
Max.
Photo sensitivity
Supply current
S
Icc
Vo
fc
fc-L
NEP
Pin= -20 dBm *2, *3
Dark state, RL=∞
-
60
-
-
-
0.7
-
-
1.7
-
-
60
-
V/mW
mA
V
Output vias voltage
Cut-off frequency
low cut-off frequency
Noise equivalent power
Minimum receivable
sensitivity
Dark state, RL=∞
Pin= -20 dBm, -3 dB *2
Pin= -20 dBm, -3 dB
Dark state, *2, *3, *4
-
-
GHz
kHz
3.5
250
400
-
710
nWrms
Pmin
-
-26
-
-24
-
-
-24
-
-22
-
PRBS=223-1, BER=10-10
Extinction ratio=10 dB, *5
dBm
Maximum receivable
sensitivity
Pmax
0
0
Output impedance
Optical return loss
Rout
ORL
40
12
50
14
60
-
40
12
50
14
60
-
Ω
dB
*2: Output: capacitive coupling
*3: Single-ended (Vout+) measurement
*4: to 938 MHz (G9804 series), to 1875 MHz (G9843 series)
*5: 1.25 Gbps (G9804 series), 2.5 Gbps (G9843 series)
ꢀ Package lineup
G9804/G9843
-22
Parameter
-21
-32
Mounting style
Connector
Board
Panel
FC
SC
FC
Dimensional outline
ꢀ
ꢀ
ꢀ
1