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ADN4661 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADN4661
Beschreibung High Speed Differential Driver
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 12 Seiten
ADN4661 Datasheet, Funktion
www.DataSheet4U.com
FEATURES
±15 kV ESD protection on output pins
600 Mbps (300 MHz) switching rates
Flow-through pinout simplifies PCB layout
300 ps typical differential skew
700 ps maximum differential skew
1.5 ns maximum propagation delay
3.3 V power supply
±355 mV differential signaling
Low power dissipation: 23 mW typical
Interoperable with existing 5 V LVDS receivers
Conforms to TIA/EIA-644 LVDS standards
Industrial operating temperature range (−40°C to +85°C)
Available in surface-mount (SOIC) package
APPLICATIONS
Backplane data transmission
Cable data transmission
Clock distribution
GENERAL DESCRIPTION
The ADN4661 is a single, CMOS, low voltage differential
signaling (LVDS) line driver offering data rates of over
600 Mbps (300 MHz) and ultra-low power consumption.
It features a flow-through pinout for easy PCB layout and
separation of input and output signals.
The device accepts low voltage TTL/CMOS logic signals and
converts them to a differential current output of typically
±3.1 mA for driving a transmission medium such as a twisted-
pair cable. The transmitted signal develops a differential voltage
of typically ±355 mV across a termination resistor at the receiv-
ing end, and this is converted back to a TTL/CMOS logic level
by a line receiver.
Single, 3 V, CMOS, LVDS,
High Speed Differential Driver
ADN4661
FUNCTIONAL BLOCK DIAGRAM
VCC
ADN4661
DOUT+
DIN
DOUT–
NC GND NC NC
NC = NO CONNECT
Figure 1.
The ADN4661 and a companion LVDS receiver offer a new
solution to high speed point-to-point data transmission, and a
low power alternative to emitter-coupled logic (ECL) or positive
emitter-coupled logic (PECL).
Rev. 0
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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
©2008 Analog Devices, Inc. All rights reserved.






ADN4661 Datasheet, Funktion
wwAwD.NDa4t6aS6h1eet4U.com
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
VCC 1
8 DOUT–
DIN 2 ADN4661 7 DOUT+
NC 3 TOP VIEW 6 NC
GND 4 (Not to Scale) 5 NC
NC = NO CONNECT
Figure 5. Pin Configuration
Table 4. Pin Function Descriptions
Pin No. Mnemonic Description
1 VCC
Power Supply Input. The part can be operated from 3.0 V to 3.6 V, and the supply should be decoupled with a
10 μF solid tantalum capacitor in parallel with a 0.1 μF capacitor to GND.
2 DIN
Driver Logic Input.
3 NC
No Connect. This pin should be left unconnected.
4 GND Ground. Reference point for all circuitry on the part.
5 NC
No Connect. This pin should be left unconnected.
6 NC
No Connect. This pin should be left unconnected.
7 DOUT+ Noninverting Output Current Driver. When DIN is high, current flows out of DOUT+. When DIN is low, current flows into DOUT+.
8 DOUT− Inverting Output Current Driver. When DIN is high, current flows into DOUT−. When DIN is low, current flows out of DOUT−.
Rev. 0 | Page 6 of 12

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ADN4661 pdf, datenblatt
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NOTES
©2008 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D07876-0-12/08(0)
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