M02006E-DIE [TE]
CMOS Pre-amplifier with AGC for Long-reach 155 Mbps Fiber-optics Based Transmitter;
| 型号： | M02006E-DIE |
| 厂家： | 
TE CONNECTIVITY |
| 描述： | CMOS Pre-amplifier with AGC for Long-reach 155 Mbps Fiber-optics Based Transmitter |
| 文件： | 总16页 (文件大小：273K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
Applications
Features
•
SDH / SONET / ATM
•
Low-cost IC, fabricated in sub-micron CMOS
•
Fast Ethernet
•
Receiver sensitivity typically -40 dBm at 155 Mbps, when integrated into a
module with suitable photodiode and post-amplifier
•
115 MHz bandwidth allows wide range of operation; suitable for 100, 125
and 155 Mbps
•
•
•
•
•
Typical differential gain of 200 kΩ at low signal levels
AGC gives continuous operation to >0 dBm
165 mW power consumption at +5 V supply
> 35 dB Power-supply noise rejection
Available as die
The M02006 is a low-noise, transimpedance amplifier with AGC, manufactured in sub-micron CMOS. Its wide
dynamic range, differential output and high PIN bias make it well suited for telecommunications, especially OC-3/
STM-1. However, the M02006 is intended to meet the needs of both Telecom and Datacom users.
The M02006 is available only in die form. For optimum system performance, die should be mounted in close
proximity with the photodetector.
The M02006 is designed to be used with the MC2045 postamplifier IC. When combined with a photodiode, the chip
set forms a high performance, low cost 5 V receiver.
Functional Block Diagram
Series Pass
Regulator
Bandgap
1.234v
PIN K
Reference
Generator
AGC Control
R
D
OUT
+1
TZA
PIN A
+1
D
OUT
+1
1
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
Ordering Information
Part
Pin-package
(1)
M02006E-DIE
M02006F-DIE
Available in waffle pack, whole wafer on a grip ring and one-quarter wafer
Available in waffle pack, whole wafer on a grip ring and one-quarter wafer
(2)
NOTES:
1. M02006E transimpedance limits are 60kΩ to 88kΩ
2. M02006F transimpedance limits are 88kΩ to 110kΩ
Revision History
Revision
Level
Date
Description
V4
Release
Release
May 2015
Updated logos and page layout. No content changes.
Changed the max Icc from 35 mA to 38 mA (Table 1-2).
C (V3)
August 2010
Corrected the Max/Min columns on Table 1-3. Added new ordering information. Remove
package information since device is die sales only.
B (V2)
A (V1)
Release
Release
June 2006
Updated format.
Updated Absolute Maximum Ratings.
Added TIA Use with Externally Biased Detectors section.
February 2002
Initial Release.
Top Level Diagram
V
GND
D
CC
OUT
PINK
PINA
D
V
GND
OUT
CC
2
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
http://www.macom.com/support
M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
1.0 Product Specification
1.1
Absolute Maximum Ratings
Table 1-1.
Absolute Maximum Ratings
Symbol
Parameter
Rating
Units
T
Operating ambient
-40 to +85
°C
°C
V
A
T
Storage temperature
-65 to +150
STG
V_PINA,
V_PINK,
V_Dout,
V_DoutB,
Input voltage at PINA, PINK, Dout, DoutB
-0.4 to V +0.4
CC
I_PINK
Maximum Current sourced out of PINK
10
mA
V
V
Power Supply (V – GND)
-0.4 to 6
CC
CC
1.2
DC Characteristics
Table 1-2.
DC Characteristics
Symbol
Parameter
Min.
Typ.
Max.
Units
V
PIN bias voltage (PINK - PINA)
Common mode output voltage
Supply current (no loads)
2
-
2.3
2.6
-
V
V
B
V
V /2
CC
CM
CC
I
-
-
38
mA
3
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
1.3
AC Characteristics
Table 1-3.
AC Characteristics
Parameter
Symbol
Min.
Typ.
Max.
Units
R
Output impedance (single ended)
-
-
50
7.5
-
-
12
-37
-
Ω
OUT
(1), (2)
I
Input noise current
nA
rms
NOISE
(1), (2)
PIN(mean), Min.
Optical sensitivity
-40
2.2
-
dBm
mA
I
Input overload current
4.5
+3
MAX
PP
(2)
PIN(mean), Max.
G
Optical saturation
-
dBm
(3), (4), (5)
Small signal transimpedance
kΩ
Single ended:
Differential:
-
-
-
-
130
260
(3)
V
Differential output voltage
-
-
-
-
-
-
-
-
-
800
-
mV
MHz
ns
D
BW
T T
Bandwidth to -3 dB point (electrical)
Data out rise/fall times (20% - 80% points)
Pulse width distortion
100
-
-
2
r
f
T
1
%
PWD
OS
Pulse overshoot
-
3
%
PULSE
T
AGC setting time
-
100
12
-
µs
%
AGC
OS
AGC overshoot
-
AGC
PSRR
Power supply rejection ratio (<4 MHz)
40
dB
NOTES:
1. Measured with input capacitance, C = 0.7 pF to 1.0 pF
IN
-10
2. Assuming photodiode response of 0.9 A/W, extinction ratio of 10 dB and BER of 10
3. The 2006 is designed to drive a load >500 Ω. Measurements are taken into high Z
4. Measured at 10 MHz
5. Measured at input current = 2μA
PP
4
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
Figure 1-1.
Typical Performance Curves
25 0 .0
Typical gain vs input level
20 0 .0
15 0 .0
10 0 .0
5 0 .0
0 .0
-3 8 -3 6 -3 4 -32 -30 -2 8 -2 6 -2 4 -2 2 -20 -18 -16 -1 4 -1 2 -1 0 -8
Input (dBm)
-6
-4
-2
0
1400
1200
1000
800
600
400
200
0
Differential output vs input
-40
-35
-30
-2 5
-20
-15
-1 0
-5
0
Inp ut (d B m )
1000000
100000
10000
Transimpedance vs frequency
(@ -40 dBm optical input power)
(VCC = 5.0V, +21 °C)
1000
0.01
0.1
1
10
100
max
1000
Frequency (MHz)
average
min
5
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
2.0 Pin Description
2.1
Pin Descriptions
Table 2-1.
Pin Descriptions
Die Pad No
Name
Function
1, 8
2
GND
Ground pin. Connect to the most negative supply, Both pins should be used
Non-inverted data output. Differential output with D (goes high as light increases)
D
OUT
OUT
3, 6
4
V
Power pin. Connect to most positive supply. Either or both pins may be used
PIN cathode connection. Connect between this pin and PINA. Connect a decoupling capacitor to ground
PIN anode connection. Connect between this pin and PINK
CC
PINK
PINA
5
7
D
Inverted data output. Differential output with D
OUT
OUT
6
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For further information and support please visit:
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
3.0 Functional Description
3.1
Overview
The M02006 is a low-noise, transimpedance amplifier with AGC, manufactured in sub-micron CMOS. Its wide
dynamic range, differential output and high PIN bias make it well suited for telecommunications, especially OC-3/
STM-1. However, the M02006 is intended to meet the needs of both Telecom and Datacom users.
The M02006 is available only in die form. For optimum system performance, die should be mounted in close
proximity with the photodetector.
The M02006 is designed to be used with the MC2045 postamplifier IC. When combined with a photodiode, the chip
set forms a high performance, low cost 5 V receiver.
Figure 3-1. Functional Block Diagram
Series Pass
Regulator
Bandgap
1.234v
PIN K
Reference
Generator
AGC Control
R
D
OUT
+1
TZA
PIN A
+1
D
OUT
+1
7
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
http://www.macom.com/support
M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
3.2
TZA
The transimpedance amplifier consists of a high gain single-ended CMOS amplifier, with a feedback resistor. The
feedback creates a virtual low impedance at the input and nearly all of the input current passes through the
feedback resistor, defining the voltage at the output. Advanced CMOS design techniques are employed to maintain
the stability of this stage across all input conditions.
Single-ended amplifiers have inherently poor power supply noise rejection. For this reason, an on-chip low dropout
linear regulator has been incorporated into the design to give excellent noise rejection up to several MHz. Higher
frequency power supply noise is removed by external decoupling.
The circuit is designed for PIN photodiodes in the grounded cathode configuration, with the anode connected to the
input of the TZA and the cathode connected to AC ground. Reverse dc bias is applied via PINK to reduce the
photodiode capacitance.
3.3
AGC
The M02006 has been designed to operate over the input range of +3 dBm to –39 dBm at long wavelengths.
This represents a ratio of 1:12500, whereas the acceptable dynamic range of the output is only 1:250 which implies
a compression of 50:1 in the transimpedance.
The design uses a MOS transistor configured as a voltage controlled resistor to achieve transimpedance variation,
which allows the device to maintain a relatively constant output amplitude over more than 30db of optical input
power.
3.4
Output Stage
The signal from the TZA enters a phase splitter and a pair of voltage follower outputs. These are designed to drive
a high impedance (>500 Ω) load. They are stable for driving capacitive loads, such as interstage filters.
8
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
http://www.macom.com/support
M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
4.0 Applications
4.1
Filter Design
The achievable sensitivity of the M02006 is dependant on the noise bandwidth of the amplifier, which varies with
temperature and process. The bandwidth should therefore be limited by an interstage filter. This will typically
employ a one pole filter, using a capacitor across the outputs. For maximum sensitivity, a filter with steeper roll-off
and better transient response can be implemented with inductors and capacitors. If the module is intended to be
used at several rates, interstage filtering should not be employed. A typical application circuit is shown in
Figure 4-1.
Figure 4-1. Typical Applications Circuit
+5 V
10 nF
MC2045
Post Amplifier
*470 pF
10 nF
VCC
DOUT
Gnd
DIN
PIN
K
CFILT
PIN
A
DIN
VCC
DOUT
Gnd
10 nF
* The 470pF capacitor should be mounted inside the TOcan/optical sub assembly with the photodiode
9
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
4.2
Alternative Input Arrangement
An alternative arrangement can be used to connect the photodiode, with the photodiode cathode being connected
directly to V see Figure 4-2. This requires two decoupling capacitors, one connecting V to ground and the
CC
CC
other from PIN K to ground. This arrangement gives slightly more reverse bias on the photodiode, but will have
worse low frequency noise performance.
Figure 4-2. Alternative Application Arrangement
+5 V
10 nF
1 nF
V
CC
470 pF
PIN
K
PIN
A
V
CC
10
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
4.3
Layout Considerations
Use good high-frequency design and layout techniques, taking care to bypass V over the frequencies to several
CC
hundred MHz. When using die, take care to minimise bond-wire length, especially for the PIN A and Gnd pads. A
typical TO-can assembly is shown in Figure 4-3.
Figure 4-3. Typical TO-can Assembly
DOUT
DOUT
4 7 0 p F
VCC
Gnd
11
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
4.4
TIA Use with Externally Biased Detectors
In some applications, MACOM TIAs are used with detectors biased at a voltage greater than available from TIA
PIN cathode supply. This works well if some basic cautions are observed. When turned off, the input to the TIA
exhibits the following I/V characteristic as shown in Figure 4-4.
Figure 4-4. TIA Use with Externally Biased Detectors, Powered Off
PINA Unbiased
100
50
0
-800
-600
-400
-200
0
200
400
600
800
1000
1200
-50
-100
-150
-200
-250
-300
mV
12
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
In the positive direction after about 700 mV, the impedance of the input is relatively high. After the TIA is turned on,
the DC servo and AGC circuits attempt to null any input currents (up to the absolute maximum stated in the device
table) as shown by the I/V curve in Figure 4-5.
Figure 4-5. TIA Use with Externally Biased Detectors, Powered On
PINA biased
1000
800
600
400
200
0
-300
-200
-100
0
100
200
300
400
500
600
700
-200
-400
-600
-800
-1000
mV
It can be seen that any negative voltage below 200 mV is nulled and that any positive going voltage above the
PINA standing voltage is nulled by the DC servo. The DC servo upper bandwidth varies from part to part, but is
generally at least 10 kHz.
When externally biasing a detector such as an APD with a voltage in the 30-80V range, care should be taken to
power up the TIA first and to keep the TIA powered up until after the power supply voltage on the APD is removed.
Failure to do this with the TIA unpowered may result in damage to the input FET gate at PINA. In some cases the
damage may be very subtle, in that nearly normal operation may be experienced with the damage causing slight
reductions in bandwidth, and corresponding reductions in input sensitivity.
4.4.1
Treatment of PINK
PINK still requires bypassing to ground with a high quality 220-1000 pf (470 pf recommended) capacitor, even with
no other connection to it. The capacitor stabilizes the internal voltage regulator of the TIA.
13
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
5.0 Packaging Specification
Figure 5-1. Bare Die Information
GND
DOUT
GND
DOUT
VCC
VCC
PINA
PINK
Die size : 1.01 x 0.96 mm
Die Thickness : 300 µm ±10%
14
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
Table 5-1.
Pad No
Pad Coordinates
Description
X (µm)
Y (µm)
1
2
3
4
5
6
7
8
GND
-347
-347
-347
-202.6
-35.45
347
255
109
D
OUT
V
-255
CC
PINK
PINA
-348.45
-352.3
-255
V
CC
D
347
109
OUT
GAN
347
255
15
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
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M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
M/A-COM Technology Solutions Inc. All rights reserved.
Information in this document is provided in connection with M/A-COM Technology Solutions Inc ("MACOM")
products. These materials are provided by MACOM as a service to its customers and may be used for
informational purposes only. Except as provided in MACOM's Terms and Conditions of Sale for such products or
in any separate agreement related to this document, MACOM assumes no liability whatsoever. MACOM assumes
no responsibility for errors or omissions in these materials. MACOM may make changes to specifications and
product descriptions at any time, without notice. MACOM makes no commitment to update the information and
shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to its
specifications and product descriptions. No license, express or implied, by estoppel or otherwise, to any
intellectual property rights is granted by this document.
THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR
IMPLIED, RELATING TO SALE AND/OR USE OF MACOM PRODUCTS INCLUDING LIABILITY OR
WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, CONSEQUENTIAL OR INCIDENTAL
DAMAGES, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER
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WHICH MAY RESULT FROM THE USE OF THESE MATERIALS.
MACOM products are not intended for use in medical, lifesaving or life sustaining applications. MACOM customers
using or selling MACOM products for use in such applications do so at their own risk and agree to fully indemnify
MACOM for any damages resulting from such improper use or sale.
16
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