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AD8150 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer AD8150
Beschreibung 33 x 17/ 1.5 Gbps Digital Crosspoint Switch
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 30 Seiten
AD8150 Datasheet, Funktion
FEATURES
Low cost
33 × 17, fully differential, nonblocking array
>1.5 Gbps per port NRZ data rate
Wide power supply range: +5 V, +3.3 V, −3.3 V, −5 V
Low power
400 mA (outputs enabled)
30 mA (outputs disabled)
PECL and ECL compatible
CMOS/TTL-level control inputs: 3 V to 5 V
Low jitter: <50 ps p-p
No heat sinks required
Drives a backplane directly
Programmable output current
Optimize termination impedance
User-controlled voltage at the load
Minimize power dissipation
Individual output disable for busing and building
Larger arrays
Double row latch
Buffered inputs
Available in 184-lead LQFP
APPLICATIONS
HD and SD digital video
Fiber optic network switching
GENERAL DESCRIPTION
AD8150 is a member of the Xstream line of products and is a
breakthrough in digital switching, offering a large switch array
(33 × 17) on very little power, typically less than 1.5 W.
Additionally, it operates at data rates in excess of 1.5 Gbps per
port, making it suitable for HDTV applications. Further, the
pricing of the AD8150 makes it affordable enough to be used
for SD applications. The AD8150 is also useful for OC-24
optical network switching.
The AD8150’s flexible supply voltages allow the user to operate
with either PECL or ECL data levels and will operate down to
3.3 V for further power reduction. The control interface is
CMOS/TTL compatible (3 V to 5 V).
Its fully differential signal path reduces jitter and crosstalk while
allowing the use of smaller single-ended voltage swings. The
AD8150 is offered in a 184-lead LQFP package that operates
over the industrial temperature range of 0°C to 85°C.
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
registered trademarks are the property of their respective owners.
33 × 17, 1.5 Gbps Digital
Crosspoint Switch
AD8150
FUNCTIONAL BLOCK DIAGRAM
INP INN
CS
RE 33 33
7
D
A5
FIRST
RANK
17
7-BIT
LATCH
SECOND
RANK
17
7-BIT
LATCH
17
33 17
DIFFERENTIAL
SWITCH
MATRIX 17
OUTP
OUTN
WE
UPDATE
RESET
AD8150
Figure 1. Functional Block Diagram
500mV
100mV/
DIV
–500mV
100ps/DIV
Figure 2. Output Eye Pattern, 1.5 Gbps
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 © 2005 Analog Devices, Inc. All rights reserved.






AD8150 Datasheet, Funktion
AD8150
Table 3. Pin Function Descriptions
Pin No.
Mnemonic
1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31,
34, 37, 40, 42, 46, 47, 92, 93, 99, 102,
105, 108, 111, 114, 117, 120, 123,
126, 129, 132, 135, 138, 139, 142,
145, 148, 172, 175, 178, 181, 184
VEE
2 IN20P
3 IN20N
5 IN21P
6 IN21N
8 IN22P
9 IN22N
11 IN23P
12 IN23N
14 IN24P
15 IN24N
17 IN25P
18 IN25N
20 IN26P
21 IN26N
23 IN27P
24 IN27N
26 IN28P
27 IN28N
29 IN29P
30 IN29N
32 IN30P
33 IN30N
35 IN31P
36 IN31N
38 IN32P
39 IN32N
41, 98, 149, 171
VCC
43 OUT16N
44 OUT16P
45 VEEA16
48 OUT15N
49 OUT15P
50 VEEA15
51 OUT14N
52 OUT14P
53 VEEA14
54 OUT13N
55 OUT13P
56 VEEA13
57 OUT12N
58 OUT12P
59 VEEA12
60 OUT11N
61 OUT11P
62 VEEA11
63 OUT10N
64 OUT10P
Type
Power supply
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
Power supply
PECL
PECL
Power supply
PECL
PECL
Power supply
PECL
PECL
Power supply
PECL
PECL
Power supply
PECL
PECL
Power supply
PECL
PECL
Power supply
PECL
PECL
Description
Most Negative PECL Supply (common with other points labeled VEE)
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
High Speed Input
High Speed Input Complement
Most Positive PECL Supply (common with other points labeled VCC)
High Speed Output Complement
High Speed Output
Most Negative PECL Supply (unique to this output)
High Speed Output Complement
High Speed Output
Most Negative PECL Supply (unique to this output)
High Speed Output Complement
High Speed Output
Most Negative PECL Supply (unique to this output)
High Speed Output Complement
High Speed Output
Most Negative PECL Supply (unique to this output)
High Speed Output Complement
High Speed Output
Most Negative PECL Supply (unique to this output)
High Speed Output Complement
High Speed Output
Most Negative PECL Supply (unique to this output)
High Speed Output Complement
High Speed Output
Rev. A | Page 6 of 44

6 Page









AD8150 pdf, datenblatt
AD8150
500mV
500mV
–500mV
200ps/DIV
Figure 23. Eye Pattern, VEE = −3.3 V, 1.5 Gbps PRBS 23
–500mV
100ps/DIV
Figure 24. Eye Pattern, VEE = −5 V, 1.5 Gbps PRBS 23
Rev. A | Page 12 of 44

12 Page





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