SN75LVPE802 Datasheet, PDF (1/6 Pages) Texas Instruments – Two-Channel 8 Gbps SATA Express Equalizer and Redriver

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SN75LVPE802
SLLSET1 – JANUARY 2016
SN75LVPE802 Two-Channel 8 Gbps SATA Express Equalizer and Redriver
1 Features
•1 Q100 Automotive Qualified
• SATA Express Support
• Selectable Equalization and De-Emphasis
• Hot Plug Capable
• Receiver Detect and OOB Support
• Integrated Output Squelch
• Multirate Operation
– SATA: 1.5 Gpbs, 3 Gpbs, 6 Gpbs
– PCIe: 2.5 Gbps, 5 Gbps, 8 Gbps
• Excellent Jitter and Loss Compensation Capability
to Over 24-Inch (61-cm) FR4 Trace
• Low Power
– < 220 mW (Typical)
– < 50 mW (in Auto Low-Power Mode)
– < 5 mW (in Standby Mode)
• 20-Pin 4-mm × 4-mm QFN Package
• High Protection Against ESD Transient
– HBM: 10,000 V
– CDM: 1,500 V
– MM: 200 V
2 Applications
• Tablets
• Notebooks
• Desktops
• Docking Stations
3 Description
The SN75LVPE802 is a versatile dual channel, SATA
Express signal conditioner supporting data rates up to
8 Gbps. The device supports SATA Gen 1, 2, and 3
specifications as well as PCIe 1, 2, 3. The
SN75LVPE802 operates from a single 3.3-V supply
and has 100-Ω line termination with self-biasing
feature, making the device suitable for AC coupling.
The inputs incorporate an out-of-band (OOB)
detector, which automatically squelches the output
when the input differential voltage falls below
threshold while maintaining a stable common-mode
voltage. The device is also designed to handle
spread spectrum clocking (SSC) transmission per
SATA standard.
The SN75LVPE802 handles interconnect losses at its
input with selectable equalization settings that can be
programmed to match the loss in the channel. For
data rates of 3 Gbps and lower, the SN75LVPE802
equalizes signals for a span of up to 50 inches of
FR4 board material. For data rates of 8 Gbps, the
device compensates up to 40 in of FR4 material. The
equalization level is controlled by the setting of the
signal control pin EQ.
Two de-emphasis levels can be selected on the
transmit side to provide 0 or 1.2 dB of additional high-
frequency loss compensation at the output.
The device is hot-plug capable (requires use of AC
coupling capacitors at differential inputs and outputs)
preventing device damage under device hot-insertion
such as async signal plug/removal, unpowered
plug/removal, powered plug/removal, or surprise
plug/removal.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SN75LVPE802
WQFN (20)
4.00 mm x 4.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Schematics
Connector
Host Controller ₃₃₀
330
U1
VCC
220 nF
RX1P
VCC
220 nF
220 nF
RX1N
GND
TX2N
EQ2
GND
EQ1
220 nF
TX2P
DEW2
DEW1
TX1P
EN
TX1N
VCC
DE2
GND
DE1
RX2N
470 nF
VCC
RX2P
SN75LVPE802
470 nF
330
330
Device
220 nF
220 nF
220 nF
220 nF
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. PRODUCT PREVIEW Information. Product in design phase of
development. Subject to change or discontinuance without notice.