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ATA7602

更新时间：2024-09-18 02:14:29
品牌：ANADIGICS
描述：10GB/s Offset Control TIA

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ATA7602 概述

10GB/s Offset Control TIA 10Gb / s的偏移控制TIA

ATA7602 数据手册

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ATA7602  
10GB/s Offset Control TIA  
Advanced Product Information - Rev 0  
FEATURES  
·
·
·
·
·
·
Differential Output Topology  
DC Output Offset Control (external loop)  
Low Group Delay  
DC Coupled Outputs  
-5.2V Power Supply  
InGaPHBTTechnology  
APPLICATIONS  
·
·
·
SONET OC-192/STM-64  
10Gb/s DWDM  
10Gb/s Datacom  
D1 Package  
PRODUCT DESCRIPTION  
The ANADIGICS ATA7602 is a -5.2V high speed that can be AC or DC coupled to a post amplifier.  
transimpedance amplifier (TIA) for 10Gb/s The DC offset between the two outputs can be adjusted  
applications available in bare die form and in order to maintain low dury cycle distortion for large  
manufactured using an InGaP HBT process. The signal operation or to provide an adjustable decision  
device is used in conjunction with a photodetector to threshold for the post amplifier.  
convert an optical signal into a differential voltage  
Figure 1: Block Diagram  
ATA7602  
Absolute Maximum Ratings  
PARAMETER  
MIN  
-7.0  
-65  
TYP  
MAX  
1.0  
UNIT  
V
DC Power supply (VEE  
Storage Temperature  
DC Input Current  
)
125  
3.0  
oC  
mA  
Operating Conditions  
PARAMETER  
Operating Voltage Range  
Operating Temperature Range  
MIN  
-5.50  
-40  
TYP  
MAX  
-4.90  
85  
UNIT  
-5.2  
V
oC  
pF  
W
Photodiode Capacitance (PIN + stray)  
Series Resistance (Bondwire + anode)  
Bondwire Inductance  
0.3  
15  
1.0  
nH  
DC Characteristics  
PARAMETER  
Supply Current (DC Coupled)  
Input DC Voltage  
MIN  
TYP  
115  
-3.9  
-0.4  
MAX  
UNIT  
mA  
V
155  
Output DC Voltage  
V
Advanced Product Information - Revision 0  
03/01  
2
ATA7602  
AC Electrical Characteristics (VEE=-5.2V+/-0.3V, CDIODE+CSTRAY=0.3PF, LBOND=0.7nH)  
PARAMETER  
MIN  
TYP  
MAX  
UNIT  
W
Small Signal Differential Transimpedance (R = 100  
)
2000  
600  
550  
8.5  
2200  
700  
W
L
Maximum Output Voltage Swing (R = 50  
)
800  
mVpp  
W
L
Input Current @ 80% Output Saturation  
Bandwidth (-3dB; Iinput <= 1.65mApk-pk)  
Low Frequency Cutoff(1)(4)  
m
App  
9.5  
30  
GHz  
kHz  
ps  
Group Delay Deviation (30kHz to 8.0GHz) (1)  
Group Delay Deviation (30kHz to Fc) (1)  
Optical Sensitivity (with a PIN Photodiode) (2)(3)(4)(5)  
Optical Overload (with a PIN Photodiode) (2)(3)(4)  
Output Return Loss (10MHz to Fc)  
-15  
-25  
+15  
+25  
ps  
-19  
-15  
dBm  
dBm  
dB  
0
-12  
-5  
Output Return Loss (FC to 20GHz)  
dB  
(1) Optical input power = -19 to 0dBm, Fc = 9.5GHz  
(2) Responsivity of the photodiode = 0.95A/W typical, laser extinction ratio=10dB  
(3) BER: 10-10; 9.95328Gbps NRZ pattern; PRBS 231-1, l=1.55mm  
(4) External 1nF Capacitor Required (Cext: see figure 3)  
(5) Measurements made in reference fixture with open cavity  
fiber alignment. Improvements in coupling will result in better performance.  
Advanced Product Information - Revision 0  
03/01  
3
ATA7602  
Pad Description  
PAD  
Description  
Negative Supply Voltage  
Comment  
V
EE1,  
V
EE  
-5.2V  
RFIN  
TIA Input  
Connect to detector anode  
DC OUT  
Non-inverted DC Output Voltage  
Inverted DC Output Voltage  
Offset Control  
Feeds into External Op-amp  
for Offset control  
DC OUTB  
Feeds into External Op-amp  
for Offset control  
V
CTRL  
EXT  
Use to set relative DC offset  
between the output ports  
C
Pad for bonding external capacitor to ground in Choose Capacitor using the  
order to set low freq. Cutoff)  
TIA Output Voltage (Non-inverted)  
TIA Output Voltage (Inverted)  
attached chart  
OUT  
Logical '1' with optical input  
Logical '0' with optical input  
OUTB  
Figure 2: Die Size and layout  
Die Size: 1075m m x 950mm  
Advanced Product Information - Revision 0  
03/01  
4
ATA7602  
Figure 3: Calculated External Capacitor Size vs. Low Frequency Cutoff  
10000  
1000  
100  
10  
0
50  
100  
150  
200  
250  
300  
350  
400  
Low Cutoff Frequency (kHz)  
Figure 4: Simulated Bandwidth  
70  
60  
50  
40  
30  
0
2
4
6
8
10  
12  
14  
16  
18  
20  
fre q , GHz  
Advanced Product Information - Revision 0  
03/01  
5
ATA7602  
Figure 5: Simulated Group Delay  
1.6E-10  
1.4E-10  
1.2E-10  
1.0E-10  
8.0E-11  
6.0E-11  
m1  
freq=3.748GHz  
Z. delay(2,1)=7.859E-11  
m 2  
m2  
freq=2.985E9  
Z.delay(2,1)=2.981E-11  
delta mode ON  
m 1  
0
2
4
6
8
10 12 14 16 18 20  
fre q , GHz  
Figure 6: Simulated Bandwidth and Group Delay vs. Input Inductance  
19.0  
18.5  
18.0  
17.5  
17.0  
16.5  
16.0  
15.5  
15.0  
14.5  
14.0  
11.2  
11.0  
10.8  
10.6  
10.4  
10.2  
0.4  
0.5  
0.6  
0.7  
0.8  
0.9  
1
1.1  
Input Inductance (nH)  
Advanced Product Information - Revision 0  
03/01  
6
ATA7602  
Figure 7: Simulated Output Return Loss  
0
-10  
-20  
-30  
-40  
-50  
-60  
0
2
4
6
8
10  
12  
14  
16  
18  
20  
fre q , GHz  
Ordering Information  
Part Number  
ATA7602D1  
Package Option  
Package Description  
D1  
Die  
Advanced Product Information - Revision 0  
03/01  
7
ATA7602  
ANADIGICS, Inc.  
141 Mount Bethel Road  
Warren, New Jersey 07059, U.S.A  
Tel: +1 (908) 668-5000  
Fax: +1 (908) 668-5132  
http://www.anadigics.com  
Mktg@anadigics.com  
IMPORTANT NOTICE  
ANADIGICS, Inc. reserves the right to make changes to its products or discontinue any product at any time without notice.  
The Advanced Product data sheets and product specifications contained in this data sheet are subject to change prior to  
a products formal introduction. The information in this data sheet has been carefully checked and is assumed to be reliable.  
However, ANADIGICS assumes no responsibility for inaccuracies. ANADIGICS strongly urges customers to verify that the  
information they are using is current before placing orders.  
WARNING  
ANADIGICS products are not intended for use in life support appliances, devices, or systems. Use of an ANADIGICS  
product in any such application without written consent is prohibited.  
Preliminary Data Sheet - Revision 1  
03/01  
8

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