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RA2860D 10 Gbits/s APD Receiver
Description
The RA2860D 10 Gbits/s receiver module incorporates a high-gain bandwidth APD and a preamplifier
to provide exceptional dynamic range, including very
high sensitivity and excellent overload.
Agere Systems Inc. offers several 1R and 2R highspeed receiver components for 10 Gbits/s and
12.5 Gbits/s applications. APD and PIN versions are
available in a 6-pin hermetic package with coaxial
output. In addition, Agere Systems also offers a PIN
receiver with coplanar waveguide in a multisource
agreement form-factor or a smaller, space-sensitive
package. For more information about the complete
line of high-speed receiver products, please visit the
Features
Agere Systems' website at www.agere.com/opto.
Preliminary Data Sheet
October 2001
■
26 dB dynamic range
■
Excellent sensitiv ity, –26 dBm
■
High overload, 0 dBm
■
Transimpedance, 500 Ω
■
dc-coupled output
■
Hermetically sealed optics
Applications
■
SONET/SDH equipment
■
DWDM receivers
■
Optical cross connects
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Preliminary Data Sheet
RA2860D 10 Gbits/s APD Receiver October 2001
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability
Parameter Symbol Min Max Unit
Operating Temperature Range T
Storage Case Temperature Range T
Preamp Supply Voltage V
Av alanche Photodiode Bias Voltage* V
Av alanche Photodiode Bias Current* I
OP
stg
CC
PD
PD
–5 70 °C
–40 85 °C
08.5V
050V
03mA
Optical Input Power — — 1 dBm
* At high optical power; current must be limited.
Electrical/Optical Characteristics
Table 1. Electrical and Optical Characteristics
Parameter Symbol Min Typ Max Unit
Sensitivity (10
–12
BER, PRBS 223 – 1),
M = 9, λ = 1550 nm
Overload (10
–12
BER, PRBS 2
23
– 1),
M = 3, λ = 1550 nm
Responsivity, M = 1, λ = 1550 nm R 0.64 0.68 — A/W
High-frequency Cutoff, 3 < M < 9 — 7.0 — — GHz
Low-frequency Cutoff — — — 30 kHz
Transimpedance Z400500600Ω
RF Output Return Loss*
(0.1 GHz—8 GHz)
Optical Return Loss RL 27 — — dB
Output dc Voltage*——3.0—V
Dark Current I
Logic Sense — — Noninverting — —
Preamp Supply Voltage V
Supply Current I
APD Supply Voltage:
25 °C, M = 9
–5 °C to +70 °C
Thermistor R
Thermistor Coefficient——–4.4—%/°C
* External dc block required on RF output.
(25 °C case temperature. Test conditions: 10 Gbits/s, NRZ,
ER ≥ 10 dB, T
= 25 °C)
A
— — –26 –24.5 dBm
—–30—dBm
RL
V
RF
D
CC
CC
PD
TH
—— 9dB
——TBDnA
7.6 8.0 8.4 V
— 110 130 mA
20
20
40
—
45
50
9.5 — 10.5 kΩ
V
V
2
Agere System s Inc.
Page 3
Preliminary Data Sheet
October 2001 RA2860D 10 Gbits/s A PD Receiver
Characteristic Curves at 10 Gbits/s, 223 – 1 PRBS
Figure 1. Eye Pattern: P
5 mV/div, 20 ps/div
Figure 2. Eye Pattern: P
50 mV/div, 20 ps/div
at –25 dBm, M = 9, 0 km,
IN
at –12 dBm, M ~ 9, 0 km,
IN
1-1278F
1-1276F
Agere Systems Inc.
Figure 3. Eye Pattern: P
100 mV/div, 20 ps/div
at –3 dBm, M = 3, 0 km,
IN
1-1277F
3
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Preliminary Data Sheet
RA2860D 10 Gbits/s APD Receiver October 2001
Pin Information
Table 2. Pin Descriptions
Pin No. Description
1Thermistor
2 TIA (V
3 Photodiode (V
CC
)
)
PD
4NC
5NC
6 Ground
Block Diagram
APD
1
THERMISTOR
TRANSIMPEDANCE
AMPLIFIER
IN OUT
GND
PROTECTION
DIODE
2
CC
V
3
PD
V
NC
RF OUT
4
5
NC
6
GND
1-1173(F).a
4
Agere System s Inc.
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Preliminary Data Sheet
October 2001 RA2860D 10 Gbits/s A PD Receiver
Outline Diagram
Dimensions are in inches and (millimeters).
Mechanical tolerances, unless otherwise specified, are: 0.XX = ±0.01 (±0.25), 0.XXX = ±0.007 (±0.18)
0.26
(7.00)
0.29
(7.40)
K-CONNECTOR
0.31
(7.90)
P*
™
0.41
(10.40)
0.58
(14.70)
0.19 ± 0.03
(5.00 ± 0.80)
1 METER MIN.
(2.50)
4X 0.094 (2.40)
0.08 ± 0.03
(2.00 ± 0.80)
0.70 ± 0.03
(18.00 ± 0.80)
0.10
0.15
(3.80)
PIN #1
1.24 (31.50)
1.04 (26.40)
0.84 (21.30)
0.20
(5.10)
0.33 ± 0.03
(8.00 ± 0.80)
5X 0.10
(2.50)
6X 0.02
(0.50)
.
0.78
(19.80)
0.17
(4.30)
*P = pin length.
Note: External dc block required on RF output.
Agere Systems Inc.
0.225
(5.70)
0.40
(1.00)
0.174
(4.40)
1-1169F.b
5
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Preliminary Data Sheet
RA2860D 10 Gbits/s APD Receiver October 2001
Ordering Information
For ordering information, please contact an account manager at Opto West, Agere Systems Inc., 1-800-362-3891
(for sales staff, please press option 2).
K-Connector
For additional information, contact your Agere Systems Account Ma na ger or the following:
INTERNET: http://www.agere.com
E-MAIL: docmaster@agere.com
N. AMERICA: Agere Systems Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286
ASIA: Agere Systems Hong Kong Ltd., Suites 3201 & 3210-12, 32/F, Tower 2, The Gateway, Harbour City, Kow loon
EUROPE: Tel. (44) 7000 624624, FAX (44) 1344 488 045
Agere Systems Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application.
Copyright © 2001 Agere Systems Inc.
All Rights Reserved
October 2001
DS01-257OPTO
is a trademark of Anritsu Company.
1-800-372-2447, FAX 610-71 2-4106 (In CANADA: 1-800-553-2448, FAX 610-712-4106)
Tel. (852) 3129-2000, FAX (852) 312 9-2 020
CHINA: (86) 21-5047-1212 (Shanghai), (86) 10-6522-5566 (Beijing), (86) 755-695-7224 (Shenzhen)
JAP AN: (81) 3-5421-1600 (Tokyo), KOREA: (82) 2-767-1850 (Seoul), SINGAPORE: (65) 778-8833, TAIWAN: (886) 2-2725-5858 (Taipei)
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