NEC'S NR4270MU-CC is a 10 Gb/s superlattice avalanche
photo diode (APD) receiver in a 17-pin mini-butterfly package
with an internal preamplifier. This module is ideal as a receiver
for SONET OC-192 and Synchronous Digital Hierarchy (SDH)
systems, STM-64, and ITU-T recommendations.
ELECTRO-OPTICAL CHARACTERISTICS
(T
C
= 25°C, V
SS
= -5.2 V,
λ
= 1550 nm, unless otherwise specified)
PART NUMBER
SYMBOLS
V
BR
δ
1
I
D
S
P
r
P
O
fc
S
22
Z
t
P
D
ORL
R
th
Note:
1.
δ
=
∆V
BR
∆T
c
PARAMETERS AND CONDITIONS
Reverse Breakdown Voltage, I
D
= 10
µA
Temperature Coefficient of Reverse Breakdown Voltage,
T
C
= 0 to +70°C
Dark Current,
Sensitivity,
V
R
= V
BR
X 0.9
M=1
UNITS
V
mV/°C
µA
A/W
dBm
dBm
GHz
dB
dB
dBΩ
mW
dB
kΩ
MIN
16
5
–
0.63
–
-8
7.0
–
–
60
–
–
9.5
NR4270MU-CC
TYP
–
–
–
–
-25
-7
8.0
–
–
–
500
–
10
MAX
32
40
1.2
–
-24
–
–
10
8
–
600
27
10.5
Minimum Receiver Sensitivity, PRBS = 2
31
–1, M = Mopt
10 Gb/s, NRZ,
Overload,
BER = 10
-12
M=3
Cut-off Frequency, R
L
= 50
Ω,
M = 9, P
IN
= -20 dBm
RF OutputReturn Loss,
Transimpedance, R
L
= 50
Ω
IC Power Dissipation
Optical Return Loss
Thermistor Resistance
to 6 GHz
6 to 8 GHz
California Eastern Laboratories
NR4270MU-CC
ABSOLUTE MAXIMUM RATINGS
1
(T
C
= 25°C, unless otherwise specified)
SYMBOLS
I
F
V
R
I
R
V
SS
T
C
T
STG
T
SLD
PARAMETERS
APD Forward Current
APD Reverse Voltage
APD Reverse Current
IC Supply Voltage
Operating Case Temperature
Storage Temperature
Lead Soldering
Temperature
UNITS
mA
V
mA
V
°C
°C
°C
RATINGS
5
V
BR
1.0
-6 to 0
0 to +70
-40 to +85
350 (3 sec.)
Note:
1. Operation in excess of any one of these parameters may result
in permanent damage.
TYPICAL PERFORMANCE CURVES
(T
C
= 25°C)
DARK CURRENT AND PHOTO CURRENT
vs. REVERSE VOLTAGE
10
–1
3
0
FREQUENCY RESPONSE
10
–2
-3
Response (dB)
-6
-9
-12
-15
V
SS
= -5.2 V,
λ
= 1550 nm,
M = 9,
P
IN
= -20 dBm,
R
L
= 50
Ω
10
–3
Dark Current, Photo Current, I
ph
(A)
10
–4
10
–5
I
PH
10
–6
-18
-21
0
2
4
6
8
10
12
Frequency, f (GHz)
10
–7
I
D
10
–8
GROUP DELAY vs. FREQUENCY
200
150
Group Delay (psec)
10
–9
100
50
0
-50
-100
-150
-200
0
2
4
6
8
10
12
V
SS
= -5.2 V,
λ
= 1550 nm,
M = 9,
P
IN
= -20 dBm,
R
L
= 50
Ω
10
--10
0
5
10
15
20
25
Reverse Voltage, V
R
(V)
Frequency, f (GHz)
NR4270MU-CC
TYPICAL PERFORMANCE CURVES
(T
C
= 25°C)
RF OUTPUT RETURN LOSS vs. FREQUENCY
10
ERROR RATE CHARACTERISTICS
10
-5
9.953 Gb/s,
λ
= 1550 nm,
NRZ,
PRBS = 2
31
–1,
V
SS
= -5.2 V,
M = 10
RF Output Return Loss, S
22
(dB)
0
10
-6
-10
Bit Error Rate
V
SS
= -5.2 V,
λ
= 1550 nm,
M=9
0
2
4
6
8
10
12
-20
-30
10
-7
10
-8
10
-9
10
-10
10
-11
10
-12
-32
-31 -30 -29 -28
-27 -26 -25 -24 -23 -22
-40
-50
-60
Frequency, f (GHz)
Average Received Power P (dBm)
EYE DIAGRAM
9.953 Gb/s,
λ
= 1550 nm, NRZ,
PRBS = 2
31
–1
Relative Intensity (40 mV/div.)
Input Wave (20 ps/div.)
Relative Intensity (40 mV/div.)
R
L
= 50
Ω,
V
SS
= -5.2 V,
M = 10
P
IN
= -20 dBm Output Wave Form (20 ps/div.)
Remark: The graphs indicate nominal characteristics.
NR4270MU-CC
OUTLINE DIMENSIONS
(Units in mm,
±0.2
mm unless otherwise specified)
1.0
0.3
0.7 3.1
2.25
3.3
2-1.0
2-0.7
0.2
7
8
9
10
9.6
1.05
6 5 4 3 2
1
Optical Fiber (SMF)
Length: 1 m MIN
With SC Connector
0.3
7.5
3.8
0.2
3.1
11
12 13 14 15 16
17
3.4
0.2±0.1
3.85
2.25
3.0
9.8
10.75
4.9±0.3
9.8
3.95±0.15
0.15
2.12
0.6
0.9
17.85
PIN CONNECTIONS
PIN No.
1
2
3
4
5
6
7
SYMBOL
GND
Vapd
NC
V
SS
NC
GND
GND
FUNCTION
Ground (0.0V)
APD CATHODE
NC
POWER SUPPLY (-5.2V)
NC
GROUND (0.0V)
GROUND (0.0V)
PIN No.
8
9
10
11
12
13
14
SYMBOL
OUT
GND
OUT
GND
GND
NC
NC
FUNCTION
PIN No.
OUTPUT (INVERT)
15
GROUND (0.0V)
16
OUTPUT (NON-INVERT)
17
GROUND (0.0V)
GROUND (0.0V)
NC
NC
SYMBOL
Thm
Thm
GND
FUNCTION
THERMISTOR
THERMISTOR
GROUND (0.0 V)
0.5
OPTICAL FIBER CHARACTERISTICS
PARAMETER
Mode Field Diameter
Cladding Diameter
Maximum Cladding Noncircularity
SPECIFICATION
9.5±1
125±2
2
1.6
0.9±0.1
1100 to 1270
30
1000 MIN
UNIT
µm
µm
%
%
mm
nm
mm
mm
ORDERING INFORMATION
Part Number
NR4270MU-CC
Available Connector
With SC-UPC Connector
Maximum Core/Cladding
Concentricity
Outer Diameter
Cut-off Wavelength
Minimum Fiber Bending Radius
Fiber Length
Flammability
2.0
ULT1581 VW-1
35±2 mm
8.99±0.5 mm
SC-UPC Connector
Fiber Length: 1000 mm MIN
Life Support Applications
These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably be expected
to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and agree to fully indemnify
CEL for all damages resulting from such improper use or sale.
02/27/2003
A Business Partner of NEC Compound Semiconductor Devices, Ltd.
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