PEDAKGA4133-01
1
Electronic Components
Preliminary
KGA4133
This version: Dec. 2001
12.5 Gbps Transimpedance Amplifier IC
DESCRIPTION
Oki’s 12.5 Gbps transimpedance amplifier is fabricated 0.1
µm
gate length P-HEMTs for high-speed optical
communication. The IC has a high overload and a wide band width.
FEATURES
•
•
•
•
•
•
•
Transimpedance
: 500Ω
Sensitvity
: < –18 dBm
Overload
: > +5 dBm
Broadband Amplifier
: > 10 GHz
Low Noise Current
: < 10 pA/√Hz
Group Delay
: <
±20
ps
+3.3 V and –2 V Power Supply
FUNCTION DIAGRAM
Vdd
IN
OUT
Vss
ABSOLUTE MAXIMUM RATINGS (Ta = 25°C)
Parameters
Supply Voltage
Supply Voltage
Input Current
Storage Temperature Range
Symbol
V
dd
V
ss
I
(IN)
T
ST
Units
V
V
mA
°C
Rating
0 to +5
–5 to 0
6
–40 to 125
RECOMMENDED OPERATING CONDITIONS (Ta = 25°C)
Parameters
Supply Voltage
Supply Voltage
Symbol
V
dd
V
ss
Units
V
V
Min.
+3.14
–2.1
Typ.
+3.3
–2
Max.
+3.46
–1.9
1/4
OKI [ OKI ELECTRONIC COMPONETS ]
