DS100BR111A_15 Datasheet, PDF (1/51 Pages) Texas Instruments – Ultra Low Power 10.3 Gbps 1-Lane Repeaters with Input Equalization and Output De-Emphasis

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DS100BR111A
SNLS400D – JANUARY 2012 – REVISED JANUARY 2015
DS100BR111A Ultra Low Power 10.3 Gbps 1-Lane Repeaters
with Input Equalization and Output De-Emphasis
1 Features
•1 Two Channel Repeaters for up to 10.3 Gbps
– DS100BR111 : 1x Bidirectional Lane
– DS100BR210: 2x Unidirectional Channels
– DS100BR111A : 1x Bidirectional Lane
• Low 65 mW/channel (Typical) Power
Consumption, with Option to Power Down Unused
Channels
• Advanced Signal Conditioning Features
– Receive Equalization up to +36 dB
– Transmit De-emphasis up to -12 dB
– Transmit VOD Control: 600 to 1200 mVp-p
– Low Residual DJ at 10.3 Gbps
• Programmable Via Pin Selection, EEPROM, or
SMBus Interface
• Single Supply Voltage: 2.5 V or 3.3 V
• Flow-thru Pinout in 4 mm × 4 mm 24-pin Leadless
WQFN Package
• 5 kV HBM ESD Rating
• -40 to 85°C Operating Temperature Range
2 Applications
• High-speed Active Copper Cable Modules in
Communication Systems
• 10GE, FC, SAS, SATA 3/6 Gbps (with OOB
Detection), InfiniBand, CPRI, RXAUI and many
others
3 Description
The DS100BR111A is an extremely low power, high
performance repeater designed to support serial links
with data rates up to 10.3 Gbps. The DS100BR111A
pinout is configured as one bidirectional lane (one
transmit, one receive channel). The DS100BR111A
inputs feature a powerful 4-stage continuous time
linear equalizer (CTLE) to provide a boost of up to
+36 dB at 5 GHz and open an input eye that is
completely closed due to inter-symbol interference
(ISI) induced by the interconnect mediums such as
board traces or twin-axial copper cables. The
transmitter features a programmable output de-
emphasis driver with up to -12 dB and can drive
output voltage levels from 600 mVp-p to 1200 mVp-p.
The programmable settings can be applied via pin
control, SMBus protocol, or an external EEPROM. In
the EEPROM mode, the configuration information is
automatically loaded on power up, thereby eliminating
the need for an external microprocessor or software
driver. The DS100BR111A consumes just 65
mW/channel (typical), and allows the option to turn off
unused channels. This ultra low power consumption
eliminates the need for external heat sinks and
simplifies thermal management in active cable
applications.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DS100BR111A
WQFN (24)
4.00 mm x 4.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
4 Simplified Schematic
VDD
VOD
VOD/ DE-EMPHASIS CONTROL
SMBus
DEM
50:
IN+
50:
EQ
SMBus
OUTBUF
OUT+
IN-
OUT-
Tx IDLE Enable
EQ[1:0]
SMBus
IDLE DETECT
Channel
Status
and
Control
LOS
SD_TH
TX_DIS
MODE
ASIC
FPGA
Typical Application
Line Card
1x10G
DS100BR111A
1x10G
1 x SFP+
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.