3.3 V, 200 Mbps, Half- and Full-Duplex,
High Speed M-LVDS Transceivers
Data Sheet
ADN4691E/ADN4693E/ADN4696E/ADN4697E
FEATURES
FUNCTIONAL BLOCK DIAGRAMS
V
CC
Multipoint LVDS transceivers (low voltage differential
signaling driver and receiver pairs)
Switching rate: 200 Mbps (100 MHz)
Supported bus loads: 30 Ω to 55 Ω
Choice of 2 receiver types
Type 1 (ADN4691E/ADN4693E): hysteresis of 25 mV
Type 2 (ADN4696E/ADN4697E): threshold offset of 100 mV
for open-circuit and bus-idle fail-safe
Conforms to TIA/EIA-899 standard for M-LVDS
Glitch-free power-up/power-down on M-LVDS bus
Controlled transition times on driver output
Common-mode range: −1 V to +3.4 V, allowing
communication with 2 V of ground noise
Driver outputs high-Z when disabled or powered off
Enhanced ESD protection on bus pins
ADN4691E/
ADN4696E
RO
RE
DE
DI
R
A
B
D
GND
Figure 1.
V
CC
ADN4693E/
ADN4697E
A
B
RO
RE
DE
DI
R
15 kV HBM (human body model), air discharge
8 kV HBM (human body model), contact discharge
10 kV IEC 61000-4-2, air discharge
Z
Y
D
8 kV IEC 61000-4-2, contact discharge
Operating temperature range: −40°C to +85°C
Available in 8-lead (ADN4691E/ADN4696E) and 14-lead
(ADN4693E/ADN4697E) SOIC packages
GND
Figure 2.
APPLICATIONS
Backplane and cable multipoint data transmission
Multipoint clock distribution
Low power, high speed alternative to shorter RS-485 links
Networking and wireless base station infrastructure
GENERAL DESCRIPTION
The ADN4691E/ADN4693E/ADN4696E/ADN4697E are
multipoint, low voltage differential signaling (M-LVDS)
transceivers (driver and receiver pairs) that can operate at up to
200 Mbps (100 MHz). The receivers detect the bus state with a
differential input of as little as 50 mV over a common-mode
voltage range of −1 V to +3.4 V. ESD protection of up to 15 kV
is implemented on the bus pins. The parts adhere to the
TIA/EIA-899 standard for M-LVDS and complement TIA/EIA-
644 LVDS devices with additional multipoint capabilities.
The parts are available as half-duplex in an 8-lead SOIC package
(the ADN4691E/ADN4696E) or as full-duplex in a 14-lead
SOIC package (the ADN4693E/ADN4697E). A selection table
for the ADN469xE parts is shown in Table 1.
Table 1. ADN469xE Selection Table
Part No.
Receiver
Data Rate
100 Mbps
200 Mbps
100 Mbps
200 Mbps
100 Mbps
100 Mbps
200 Mbps
200 Mbps
SOIC
Duplex
Half
Half
Full
Full
Half
Full
ADN4690E Type 1
ADN4691E Type 1
ADN4692E Type 1
ADN4693E Type 1
ADN4694E Type 2
ADN4695E Type 2
ADN4696E Type 2
ADN4697E Type 2
8-lead
8-lead
14-lead
14-lead
8-lead
14-lead
8-lead
14-lead
The ADN4691E/ADN4693E are Type 1 receivers with 25 mV of
hysteresis, so that slow-changing signals or loss of input does
not lead to output oscillations. The ADN4696E/ADN4697E are
Type 2 receivers exhibiting an offset threshold, guaranteeing the
output state when the bus is idle (bus-idle fail-safe) or the inputs are
open (open-circuit fail-safe).
Half
Full
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registeredtrademarks arethe property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 www.analog.com
Fax: 781.461.3113 ©2011–2012 Analog Devices, Inc. All rights reserved.
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