PEDA4130-02
Electronic Components
This version:2.0 Sep.
2000
KGA4130
Preliminary
10 Gbps AGC Transimpedance Amplifier IC
DESCRIPTION
Oki s 10 Gbps transimpedance amplifier is fabricated 0.1
m gate length P-HEMTs for high-speed optical
communication. The IC has a large transimpedance, high sensitivity and a wide dynamic range.
FEATURES
High Transimpedance
: 60 dB
Wide Dynamic Range
: 21 dB
Ultra-Broadband Amplifier : >7 GHz
Ultra-Low Noise Current
: <8 pA/
Hz (T.B.D)
Single --5 V Power Supply
On-chip AGC (Automatic Gain Control)
FUNCTION DIAGRAM
ABSOLUTE MAXIMUM RATINGS (Ta = 25...
C)
Parameters
Symbol
Units
Rating
Supply Voltage
V
SS
V
--7 to
0
Input Current
I
(IN)
mA
4
Storage Temperature Range
T
ST
...
C
--40 to 125
RECOMMENDED OPERATING CONDITIONS (Ta = 25...
C)
Parameters
Symbol
Units
Min.
Typ.
Max.
Supply Voltage
V
SS
V
--5.25
--5
--4.75
IN
OUT
V
SS
AGC
PEDA4130-02
1
Semiconductor
KGA4130
ELECTRICAL CHARACTERISTICS (Ta = 25...
C, V
SS
= --5 V,
C
(diode)
+ C
(stray)
= 0.3 pF)
Parameters
Units
Min.
Typ.
Max.
Transimpedance (<100 A)
k
1.2
Bandwidth (--3 dB)
GHz
7
7.5
Transimpedance Flatness (300 kHz to 6 GHz
)
dB
1
Equivalent Input Noise Current
*1)
pA/
Hz
T.B.D
Optical Sensitivity
*2)
dBm
--19
Optical Overload
*2)
dBm
+2
Input Resistance
135
Input Offset Voltage
V
--3.3
Output Return Loss (<10 GHz)
dB
10
Power Consumption
W
0.5
Operating Temperature Range
*3)
...
C
0
+85
*1) Averaged Equivalent Input Noise Current from 130 MHz to 7.5 GHz.
*2) Value of optical sensitivity is guaranteed by design, assuming responsivity of photo diode of 0.8 A/W.
*3) At backside of die.
TYPICAL FREQUENCY RESPONSE AND EYE DIAGRAMS
(Vss = --
5V, Ta = 25...
C, C
(PD)
0.25 pF, Responsivity of PD = 0.80 A/W)
Pin = --20[dBm]
(5 mV/div)
0.5
1
5
10
30
33
36
39
42
45
48
51
54
57
60
63
66
--30
--25
--20
--15
--10
--5
0
Frequency [GHz]
Transimpedance [
dB
]
S22 [dB]
20
Pin = --20[
dBm]
Zt = 62.2[dB] @130 MHz
BW
(--
3 dB)
= 7.80GHz
Power Consumption = 453[mW]
0.13
10
--3
+3.5 +4.0 +4.5 +5.0
Optical Input Power [dBm]
--26 --24--22 --20--18
Bit Error Rate
Optical Sensitivity and Overload
PRBS:2
31
--1
10
--4
10
--5
10
--6
10
--7
10
--8
10
--9
10
--10
10
--11
10
--12
PEDA4130-02
1
Semiconductor
KGA4130
NOTICE
1.
The information contained herein can change without notice owing to product and/or technical
improvements. Before using the product, please make sure that the information being referred to is up-to-
date.
2.
The outline of action and examples for application circuits described herein have been chosen as an
explanation for the standard action and performance of the product. When planning to use the product,
please ensure that the external conditions are reflected in the actual circuit, assembly, and program designs.
3.
When designing your product, please use our product below the specified maximum ratings and within the
specified operating ranges including, but not limited to, operating voltage, power dissipation, and operating
temperature.
4.
Oki assumes no responsibility or liability whatsoever for any failure or unusual or unexpected operation
resulting from misuse, neglect, improper installation, repair, alteration or accident, improper handling, or
unusual physical or electrical stress including, but not limited to, exposure to parameters beyond the
specified maximum ratings or operation outside the specified operating range.
5.
Neither indemnity against nor license of a third party s industrial an d intellectual property right, etc. is
granted by us in connection with the use of the product and/or the information and drawings contained
herein. No responsibility is assumed by us for any infringement of a third party s right which may result
from the use thereof.
6.
The products listed in this document are intended for use in general electronics equipment for commercial
applications (e.g., office automation, communication equipment, measurement equipment, consumer
electronics, etc.). These products are not authorized for use in any system or application that requires
special or enhanced quality and reliability characteristics nor in any system or application where the failure
of such system or application may result in the loss or damage of property, or death or injury to humans.
Such applications include, but are not limited to, traffic and automotive equipment, safety devices,
aerospace equipment, nuclear power control, medical equipment, and life-support systems.
7.
Certain products in this document may need government approval before they can be exported to particular
countries. The purchaser assumes the responsibility of determining the legality of export of these products
and will take appropriate and necessary steps at their own expense for these.
8.
No part of the contents contained herein may be reprinted or reproduced without our prior permission.
Copyright 2000 Oki Electric Industry Co., Ltd.
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