MAX3882AETX+ Maxim Integrated, MAX3882AETX+ Datasheet

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MAX3882AETX+

Manufacturer Part Number
MAX3882AETX+
Description
Serializers & Deserializers - Serdes
Manufacturer
Maxim Integrated
Datasheet

Specifications of MAX3882AETX+

Operating Supply Voltage
3 V to 3.6 V
Package / Case
TQFN-36 EP
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Supply Voltage - Max
3.6 V
Supply Voltage - Min
3 V
The MAX3882A is a deserializer combined with clock
and data recovery and limiting amplifier ideal for con-
verting 2.488Gbps serial data to 4-bit-wide, 622Mbps
parallel data for SDH/SONET applications. The device
accepts serial NRZ input data as low as 10mV
2.488Gbps and generates four parallel LVDS data out-
puts at 622Mbps. Included is an additional high-speed
serial data input for system loopback diagnostic test-
ing. For data acquisition, the MAX3882A does not
require an external reference clock. However, if need-
ed, the loopback input can be connected to an external
reference clock of 155MHz or 622MHz to maintain a
valid clock output in the absence of input data transi-
tions. Additionally, a TTL-compatible loss-of-lock output
is provided. The device provides a vertical threshold
adjustment to compensate for optical noise generated
by EDFAs in WDM transmission systems. The
MAX3882A operates from a single +3.3V supply and
consumes 610mW.
The MAX3882A’s jitter performance exceeds all SDH/
SONET specifications. The device is available in a 6mm
19-2718; Rev 2; 4/09
Typical Application Circuits appear at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
6mm, 36-pin TQFN package.
SDH/SONET Receivers and Regenerators
Add/Drop Multiplexers
Digital Cross-Connects
SDH/SONET Test Equipment
DWDM Transmission Systems
2.488Gbps 1:4 Demultiplexer with Clock and
________________________________________________________________ Maxim Integrated Products
General Description
Data Recovery and Limiting Amplifier
Applications
P-P
of
♦ No Reference Clock Required for Data Acquisition
♦ Serial Input Rate: 2.488Gbps
♦ Fully Integrated Clock and Data Recovery with
♦ Parallel Output Rate: 622Mbps
♦ Differential Input Range: 10mV
♦ Differential Input Range: 50mV
♦ 0.65UI High-Frequency Jitter Tolerance
♦ Loss-of-Lock (LOL) Indicator
♦ Wide Input Threshold Adjust Range: ±170mV
♦ Maintain Valid Clock Output in Absence of Data
♦ System Loopback Input Available for System
♦ Operating Temperature Range -40°C to +85°C
♦ Low Power Dissipation: 610mW at +3.3V
+ Denotes a lead(Pb)-free/RoHS-compliant package.
* EP = Exposed pad.
MAX3882AETX+
Limiting Amplifier and 1:4 Demultiplexer
without Threshold Adjust
with Threshold Adjust
Transitions
Diagnostic Testing
TOP VIEW
V
*EXPOSED PAD.
FREFSET
CC
V
_OUT
CAZ+
CAZ-
GND
V
CTRL
PART
V
V
REF
CC
CC
28
29
30
31
32
33
34
35
36
+
27
1
26
2
-40°C to +85°C
TEMP RANGE
25
3
Ordering Information
24
MAX3882A
4
TQFN
23
Pin Configuration
5
22 21 20
6
7
P-P
P-P
8
*EP
19
to 1.6V
to 600mV
9
PIN-PACKAGE
Features
36 TQFN-EP*
18
17
16
15
14
13
12
11
10
P-P
PCLK+
PCLK-
GND
V
V
FIL
V
GND
LREF
CC
CC
CC
_OUT
_VCO
_VCO
P-P
1

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MAX3882AETX+ Summary of contents

Page 1

... Maintain Valid Clock Output in Absence of Data Transitions ♦ System Loopback Input Available for System Diagnostic Testing ♦ Operating Temperature Range -40°C to +85°C ♦ Low Power Dissipation: 610mW at +3.3V Applications PART MAX3882AETX+ + Denotes a lead(Pb)-free/RoHS-compliant package Exposed pad. TOP VIEW V _OUT CC GND ...

Page 2

Demultiplexer with Clock and Data Recovery and Limiting Amplifier ABSOLUTE MAXIMUM RATINGS Supply Voltage, V ................................................-0.5 to +5.0V CC Input Voltage Levels (SDI+, SDI-, SLBI+, SLBI-) ...........(V CC Input Current Levels (SDI+, SDI-, SLBI+, SLBI-)..............±20mA LVDS Output Voltage ...

Page 3

Demultiplexer with Clock and Data Recovery and Limiting Amplifier DC ELECTRICAL CHARACTERISTICS (continued +3.0 to +3.6V -40°C to +85°C. Typical values are at +3.3V and PARAMETER SYMBOL LVDS Differential Output ...

Page 4

Demultiplexer with Clock and Data Recovery and Limiting Amplifier AC ELECTRICAL CHARACTERISTICS (continued +3.0 to +3.6V -40°C to +85°C. Typical values are at +3.3V and PARAMETER SYMBOL Reference Clock Frequency ...

Page 5

Demultiplexer with Clock and Data Recovery and Limiting Amplifier (T = +25°C, unless otherwise noted.) A RECOVERED CLOCK AND DATA 23 (INPUT = 2.488Gbps PATTERN 10mV ) IN P-P 200mV/div 500ps/div JITTER TOLERANCE ...

Page 6

Demultiplexer with Clock and Data Recovery and Limiting Amplifier PIN NAME 1, 11, 16, 23, 29 GND Supply Ground +3.3V Supply Voltage CC 3 SDI+ Positive Data Input. 2.488Gbps serial data stream, CML. ...

Page 7

Demultiplexer with Clock and Data Recovery and Limiting Amplifier Detailed Description The MAX3882A deserializer with clock and data recov- ery and limiting amplifier converts 2.488Gbps serial data to clean 4-bit-wide, 622Mbps LVDS parallel data. The device combines a ...

Page 8

Demultiplexer with Clock and Data Recovery and Limiting Amplifier The SDI inputs of the MAX3882A accept serial NRZ data at 2.488Gbps with 10mV P-P tude. The input sensitivity is 10mV P-P -10 tolerance is met for a BER ...

Page 9

Demultiplexer with Clock and Data Recovery and Limiting Amplifier BANDGAP V REF REFERENCE SDI+ AMP SDI- V CTRL SLBI+ AMP SLBI- LREF LOGIC SIS FREFSET Figure 5. Functional Diagram H (j2πf) (dB 0.01μF FIL C ...

Page 10

Demultiplexer with Clock and Data Recovery and Limiting Amplifier Applications Information Clock Holdover Capability Clock holdover is required in some applications where a valid clock needs to be provided to the upstream device in the absence of data ...

Page 11

Demultiplexer with Clock and Data Recovery and Limiting Amplifier +3.3V TIA OUTPUT AGC MAX3861 R2 *REQUIRED ONLY IF OVERHEAD CIRCUIT DOES NOT INCLUDE INTERNAL INPUT TERMINATION. THIS SYMBOL REPRESENTS A TRANSMISSION LINE OF CHARACTERISTIC IMPEDANCE Z Figure 8. ...

Page 12

Demultiplexer with Clock and Data Recovery and Limiting Amplifier +3.3V 0.01μF TIA MAX3277 *REQUIRED ONLY IF OVERHEAD CIRCUIT DOES NOT INCLUDE INTERNAL INPUT TERMINATION. THIS SYMBOL REPRESENTS A TRANSMISSION LINE OF CHARACTERISTIC IMPEDANCE Z For the latest package ...

Page 13

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13 © 2009 Maxim Integrated Products DESCRIPTION Maxim is a registered trademark of Maxim Integrated Products, Inc ...

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