RA192 OC-192/STM-64 APD Lightwave Receiver
Preliminary Data Sheet
May 2002
Featuring improved sensitivity for optimum performance in
noisy, amplified systems, the RA192 Receiver is manufac-
tured in a compact, 16-pin butterfly package (above), and is
also available with a convenient mounting bracket (below).
Features
■High data rate capability, 10 Gbits/s
■APD photodetector
■Fully operational through the 1.3 µm to 1.6 µm
wavelength range
■Typical sensitivity of –26 dBm, overload of –2 dBm
■Excellent group-delay performance for DWDM
applications
■Single-mode fiber pigtail with SC, FC, LC, or
MU optical connector
■Operating case temperature range:
0 °C to 70 °C
■50 Ω differential data output, with offset control
■Package options:
— Space-sensitive package without mounting
bracket (ideal for transponder and transceiver
applications)
— With mounting bracket
Applications
■Line terminal equipment
■High-speed networks up to 10 Gbits/s
■SONET/SDH OC-192/STM-64 telecommunica-
tions applications
■Extended-reach datacom and telecom applications
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2Agere Systems Inc.
Preliminary Data Sheet
RA192 OC-192/STM-64 APD Lightwave Receiver May 2002
Description
Receiver Operation
The RA192 10 Gbits/s fiber-optic receiver consists of a
high-speed APD photodetector and a wide-band linear
preamp in a pigtailed, butterfly metal package. The
fiber pigtail is internally beveled for low return loss and
is available with SC, FC, LC, or MU optical connectors.
It is designed for use in single-mode, high-speed tele-
communication applications at the SONET OC-192
and the ITU-T SDH STM-64 data rate of 9.95328 Gb/s.
At 9.95328 Gbits/s, the typical room temperature sensi-
tivity at a BER of 1 x 10–10 is –26 dBm, and the typical
room temperature overload at a BER of 1 x 10–10 is
–2 dBm. The operating case temperature range for the
receiver is 0 °C to 70 °C.
The dc levels of the differential outputs can be adjusted
relative to each other for optimum sensitivity in noisy,
amplified systems. These outputs are centered around
a dc level of typically –0.45 V when the two outputs are
dc-coupled to 50 Ω loads. The two outputs can also be
ac coupled. If slice level control is not needed, the FBIN
pin (pin 14) should be left open. The TIA requires only
a –5.2 V power supply for operation. The APD photo-
diode requires a nominal bias voltage of 25 V to 36 V at
less than 1 mA.
Pin Information
Table 1. Pin Descriptions
Pin Number Name
1APD Bias
2GND
3V
EE
4NC
5NC
6NC
7GND
8DATA
9DATA
10 GND
11 NC
12 –OFF
13 +OFF
14 Feedback Input Threshold Control
15 GND
16 Thermistor
Electrical Schematic
Figure 1. Electrical Schematic
TZ AMP
APD
PIN 1
PIN 3 PIN 12 PIN 13
VEE –OFF +OFF
PIN 2, 7, 10, 15,
GND
PIN 16
THERMISTOR
VPD
PIN 14
FBIN
PIN 9
OUT_P
PIN 8
OUT_N
PHOTODIODE
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Agere Systems Inc.
Preliminary Data Sheet
May 2002 RA192 OC-192/STM-64 APD Lightwave Receiver
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-
lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operations section of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
* Device is normally reverse biased. Forward biasing the photodiode can compromise device performance and reliability.
Optical Characteristics
Parameter Symbol Min Max Unit
Supply Voltages:
Negative Supply VEE –4.7 –5.7 V
Photodiode Supply Current:
Forward*
Reverse
—
—
—
—
TBD
TBD
mA
mA
APD Bias Voltage VAPD GND VBR V
Optical Input Power (biased) PMAX —0dBm
Operating Case Temperature Range TC070°C
Storage Temperature Range Tstg –40 85 °C
Lead Soldering Temperature — — 250 °C
Lead Soldering Time — — 10 s
Table 2. Optical Characteristics (TC = 25 °C, λ = 1550 nm, VEE = –5.2 V unless otherwise specified)
Parameter Symbol Min Typ Max Unit
Optical Wavelength λ1.3 — 1.61 µm
Sensitivity (9.953 Gbits/s, 231 – 1 PRBS, 1 x 10–10 BER,
ER = 12 dB, NRZ, VAPD = VOP):
25 °C
0 °C to 70°C
PLOW
—
—
–26.0
–25.5
–25.5
–25.0
dBm
dBm
Overload (9.953 Gbits/s, 231 – 1 PRBS, 1 x 10–10 BER,
ER = 12 dB, NRZ):
25 °C
0 °C to 70°C
PHIGH
–2
–3
—
—
—
—
dBm
dBm
Optical Return Loss RL — — –27 dB
Responsivity (M = 1):
λ = 1.55 µm
λ = 1.3 to 1.61 µm
R
0.65
0.59
0.8
—
—
—
A/W
A/W
Total Dark Current (VAPD = VOP)ID— 100 200 nA
4Agere Systems Inc.
Preliminary Data Sheet
RA192 OC-192/STM-64 APD Lightwave Receiver May 2002
Electrical Characteristics
Table 3. Electrical Characteristics (TC = 25 °C, λ = 1550 nm, VEE = –5.2 V unless otherwise specified)
Parameter Symbol Min Typ Max Unit
dc Power Supply Voltages:
Negative Supply VEE –4.94 –5.2 –5.46 V
dc Power Supply Currents:
Negative Supply IEE — 140 155 mA
Power Dissipation PDISS — — 0.85 W
APD Bias Voltage1:
25 °C
0 °C to 70 °C
1. APD optimum bias voltage (VOP) differs from device to device and is provided with each device.
VOP
25
22
33
—
40
44
V
APD Breakdown Voltage:
25 °C
0 °C to 70 °C
VBR
28
25
—
—
43
47
V
Temperature Coefficient of VOP and VBR 0.05 0.06 0.07 V/°C
Thermistor Resistance at 25 °C 2
2. The resistance of the thermistor is inversely proportional to the temperature. The temperature can be calculated from the resistance value
using the Steinhart-Hart equation: 1/T = A + B ln(R) + C ln(R)3; where T is the temperature in Kelvin degrees, R is the thermistor resistance
value in Ohms, and A, B, and C are constants: A = 1.0267 x 10–3, B = 2.565 x 10–4, C = - 4.5421 x 10–8.
RTH 9.5 10 10.5 kΩ
Transimpedance (Single-ended, –26 dBm optical
input power)
ZT
11.41.8kΩ
Output Voltage (Single-ended, VAPD = VOP,
9.953 Gbits/s, –26 dBm)
VSENS
—40—
mVp-p
Output Voltage (Single-ended, VAPD = VOP,
9.953 Gbits/s, –2 dBm)
VOVERLOAD
600 800 1000
mVp-p
3 dB Bandwidth (VAPD = VOP, –20 dBm) BW 8.0 8.8 — GHz
Peaking (0.13 GHz—10 GHz, VAPD = VOP, –20 dBm) — — 0 1 dB
Group Delay Deviation (0.13 GHz—10 GHz,
VAPD = VOP, –20 dBm)
GD
——50ps
p-p
Output Return Loss (0.13 GHz—10 GHz,
VAPD = VOP, –20 dBm)
S22
— –14 –9 dB
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Agere Systems Inc.
Preliminary Data Sheet
May 2002 RA192 OC-192/STM-64 APD Lightwave Receiver
Characteristic Curves
Figure 2. RA192 Typical Transfer Function
Figure 3. RA192 Typical Output Return Loss
Figure 4. RA192 Typical Group Delay
Deviation (5% Smoothing)
Figure 5. RA192 Typical BER CURVE
6
3
0
–3
–6
–9
–12
–15
–18
–21
GAIN (dB)
FREQUENCY (GHz)
02468101214161820
–24
0
–3
–6
–9
–12
–15
–18
–21
–24
–27
OUTPUT MATCH (db)
FREQUENCY (GHz)
0 2 4 6 8 10 12 14 16 18 20
–30
80
70
60
50
40
30
20
10
0
–10
–20
–30
–40
–50
–60
–70
–80
GOOUP DELAY (PS)
0 2 4 6 8 101214161820
FREQUENCY (GHz)
1–3
1–4
1–5
1–7
1–8
1–9
1–10
1–11
1–12
1–13
1–14
1–15
–32 –30 –28 –26 –24 –22
OPTICAL POWER (dBm)
1–16
1–6
6
6Agere Systems Inc.
Preliminary Data Sheet
RA192 OC-192/STM-64 APD Lightwave Receiver May 2002
Characteristic Curves (continued)
Figure 6. RA192 Eye Pattern at –1.4 dBm
Input Power
Figure 7. RA192 Eye Pattern at –15 dBm
Input Power
Figure 8. RA192 Eye Pattern at –26.2 dBm Input Power
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Agere Systems Inc.
Preliminary Data Sheet
May 2002 RA192 OC-192/STM-64 APD Lightwave Receiver
Outline Diagrams (continued)
Outline Drawing, Package Style N
Dimensions are in inches and (millimeters).
16
0.170
(4.32)
0.050
(1.27)
0.175
(4.44)
0.500
(12.70)
7
10
11 16
0.260
(6.60)
0.500
(12.70)
0.150
(3.80)
0.043
(1.10)
0.042
(1.10)
SECTION A-A
0.146
(3.70)
0.272
(6.90)
A
0.060
(1.52)
0.156
(3.95)
0.606
(15.38)
0.087
(2.22)
A
0.020
(0.51)
0.050
(1.27)
0.569
(14.45)
1.135
(28.84)
0.354
(9.00)
0.611
(15.51)
0.004
(0.100)
0.037
(0.95)
0.354
(9.00)
0.611
(15.51)
0.157
(4.00)
0.276
(7.00)
2 x 0.008
(0.20)
2 x 0.016
(0.40)
0.013
(0.32)
0.025
(0.64)
0.063
(1.59)
0.125
(3.18)
0.315
(8.00)
1-1236
8Agere Systems Inc.
Preliminary Data Sheet
RA192 OC-192/STM-64 APD Lightwave Receiver May 2002
Outline Diagrams
Outline Drawing, Package Style A
Dimensions are in inches and (millimeters).
1
6
0.375
(9.53)
0.611
(15.51)
0.037
(0.95)
0.050
(1.27)
1.017
(25.83)
1.174
(29.82)
7
10
11 16
DETAIL “B”
∅ 4 x 0.087(2.20)
0.333
(8.45) 0.050
(1.27)
0.608
(15.45)
0.797
(20.25)
0.097
(2.46)
0.260
(6.60)
0.500
(12.70)
0.150
(3.80)
0.043
(1.10)
0.042
(1.10)
SECTION A–A
0.150
(3.80)
0.272
(6.90)
2.010 REF.
(51.05)
DETAIL B
0.016
(0.40)
0.008
(0.20)
0.025
(0.64)
0.125
(3.18)
A
A
0.079
(2.00)
1-1237
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. Agere,
Agere Systems, and the Agere logo are trademarks of Agere Systems Inc.
Copyright © 2002 Agere Systems Inc.
All Rights Reserved
May 2002
DS02-185METR
Preliminary Data Sheet
RA192 OC-192/STM-64 APD Lightwave Receiver May 2002
For additional information, contact your Agere Systems Account Manager 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
1-800-372-2447, FAX 610-712-4106 (In CANADA: 1-800-553-2448, FAX 610-712-4106)
ASIA: Agere Systems Hong Kong Ltd., Suites 3201 & 3210-12, 32/F, Tower 2, The Gateway, Harbour City, Kowloon
Tel. (852) 3129-2000, FAX (852) 3129-2020
CHINA: (86) 21-5047-1212 (Shanghai), (86) 10-6522-5566 (Beijing), (86) 755-695-7224 (Shenzhen)
JAPAN: (81) 3-5421-1600 (Tokyo), KOREA: (82) 2-767-1850 (Seoul), SINGAPORE: (65) 6778-8833, TAIWAN: (886) 2-2725-5858 (Taipei)
EUROPE: Tel. (44) 7000 624624, FAX (44) 1344 488 045
Ordering Information
Table 4. Ordering Information
Description Product Code Package Style Connector Comcode
RA192-Type OC-192/STM-64 APD
Lightwave Receiver
RA192WDAA A SC 700022259
RA192WGAA A FC 700022260
RA192WSAA A LC 700022261
RA192WYAA A MU 700022262
RA192WDAN N SC 700022263
RA192WGAN N FC 700022264
RA192WSAN N LC 700022265
RA192WYAN N MU 700022266
