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PDF AD8113 Data sheet ( Hoja de datos )
| Número de pieza | AD8113 | |
| Descripción | Audio/Video Crosspoint Switch | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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a
Audio/Video 60 MHz
16 ؋ 16, G = ؉2 Crosspoint Switch
AD8113
FEATURES
16 ؋ 16 High Speed Nonblocking Switch Array
Serial or Parallel Programming of Switch Array
Serial Data Out Allows Daisy Chaining Control of
Multiple 16 ؋ 16s to Create Larger Switch Arrays
Output Disable Allows Connection of Multiple Devices
without Loading the Output Bus
Complete Solution
Buffered Inputs
16 Output Amplifiers
Operates on ؎5 V or ؎12 V Supplies
Low Supply Current of 54 mA
Excellent Audio Performance VS = ؎12 V
؎10 V Output Swing
0.002% THD @ 20 kHz Max. 20 V p-p (RL = 600 ⍀)
Excellent Video Performance VS = ؎5 V
10 MHz 0.1 dB Gain Flatness
0.1% Differential Gain Error (RL = 1 k⍀)
0.1؇ Differential Phase Error (RL = 1 k⍀)
Excellent AC Performance
–3 dB Bandwidth 60 MHz
Low All Hostile Crosstalk of
–83 dB @ 20 kHz
Reset Pin Allows Disabling of All Outputs (Connected
to a Capacitor to Ground Provides Power-On
Reset Capability)
100-Lead LQFP (14 mm ؋ 14 mm)
APPLICATIONS
Analog/Digital Audio Routers
Video Routers (NTSC, PAL, S-VIDEO, SECAM)
Multimedia Systems
Video Conferencing
CCTV Surveillance
FUNCTIONAL BLOCK DIAGRAM
SER/PAR D0 D1 D2 D3 D4
CLK
DATA IN
UPDATE
CE
RESET
80-BIT SHIFT REGISTER
WITH 5-BIT
PARALLEL LOADING
80
PARALLEL LATCH
80
DECODE
16 ؋ 5:16 DECODERS
16
AD8113
OUTPUT
256 BUFFER
G = +2
A0
A1
A2
A3
DATA
OUT
16 INPUTS
SWITCH
MATRIX
16
OUTPUTS
PRODUCT DESCRIPTION
The AD8113 is a fully buffered crosspoint switch matrix that
operates on ± 12 V for audio applications and ± 5 V for video
applications. It offers a –3 dB signal bandwidth greater than
60 MHz and channel switch times of less than 60 ns with 0.1%
settling for use in both analog and digital audio. The AD8113
operated at 20 kHz has crosstalk performance of –83 dB and
isolation of 90 dB. In addition, ground/power pins surround all
inputs and outputs to provide extra shielding for operation in
the most demanding audio routing applications. The differential
gain and differential phase of better than 0.1% and 0.1°, respec-
tively, along with 0.1 dB flatness out to 10 MHz, make the
AD8113 suitable for many video applications.
The AD8113 includes 16 independent output buffers that can
be placed into a disabled state for paralleling crosspoint outputs
so that off channel loading is minimized. The AD8113 has a
gain of +2. It operates on voltage supplies of ± 5 V or ± 12 V
while consuming only 34 mA or 31 mA of current, respectively.
The channel switching is performed via a serial digital control
(which can accommodate daisy-chaining of several devices) or
via a parallel control, allowing updating of an individual output
without reprogramming the entire array.
The AD8113 is packaged in a 100-lead LQFP and is available
over the commercial temperature range of 0°C to 70°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. 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 companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved.
1 page  
AD8113
ABSOLUTE MAXIMUM RATINGS1
Analog Supply Voltage (AVCC – AVEE) . . . . . . . . . . . . 26.0 V
Digital Supply Voltage (DVCC – DGND) . . . . . . . . . . . . . . 6 V
Ground Potential Difference (AGND – DGND) . . . . . ± 0.5 V
Internal Power Dissipation2 . . . . . . . . . . . . . . . . . . . . . 3.1 W
Analog Input Voltage3 . . . . . . . . . . . Maintain Linear Output
Digital Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . DVCC
Output Voltage (Disabled Output)
. . . . . . . . . . . . . . . . . . . . (AVCC – 1.5 V) to (AVEE + 1.5 V)
Output Short-Circuit Duration . . . . . . . . . . . . . . Momentary
Storage Temperature Range . . . . . . . . . . . . –65°C to +125°C
Lead Temperature Range (Soldering 10 sec) . . . . . . . . 300°C
NOTES
1Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2Specification is for device in free air (TA = 25°C):
100-lead plastic LQFP (ST): θJA = 40°C/W.
3To avoid differential input breakdown, in no case should one-half the output
voltage (1/2 VOUT) and any input voltage be greater than 10 V potential differen-
tial. See output voltage swing specification for linear output range.
POWER DISSIPATION
The AD8113 is operated with ± 5 V to ± 12 V supplies and
can drive loads down to 150 Ω (± 5 V) or 600 Ω (± 12 V),
resulting in a large range of possible power dissipations. For
this reason, extra care must be taken derating the operating
conditions based on ambient temperature.
Packaged in a 100-lead LQFP, the AD8113 junction-to-ambient
thermal impedance (θJA) is 40°C/W. For long-term reliability,
the maximum allowed junction temperature of the plastic-
encapsulated die should not exceed 150°C. Temporarily exceeding
this limit may cause a shift in parametric performance due to a
change in the stresses exerted on the die by the package. Exceeding
a junction temperature of 175°C for an extended period can result
in device failure. The following curve shows the range of allowed
power dissipations that meet these conditions over the commercial
range of ambient temperatures.
4.0
TJ = 150؇C
3.5
3.0
2.5
Model
AD8113JST
AD8113-EVAL
2.0
0
10 20 30 40 50 60
AMBIENT TEMPERATURE – ؇C
70
Figure 3. Maximum Power Dissipation vs. Ambient
Temperature
ORDERING GUIDE
Temperature
Range
Package
Description
0°C to 70°C
100-Lead Plastic LQFP (14 mm × 14 mm)
Evaluation Board
Package
Option
ST-100
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD8113 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
REV. A
–5–
5 Page 
300
250
200
150 VS = ؎12V
RL = 600⍀
100 VS = ؎5V
RL = 150⍀
50
0
0 5 10 15 20 25 30 35
SERIES RESISTANCE – ⍀
TPC 13. Cap Load vs. Series Resistance for Less than 30%
Overshoot
AD8113
INPUT
OUTPUT
OUTPUT – INPUT
2
0 5 10 15 20 25 30 35 40 45 50
5ns/DIV
TPC 16. Settling Time to 0.1%, 2 V Step, VS = ±5 V,
RL = 150 Ω
10k 10k
1k 1k
100 100
10 10
1
0.1 1
10 100 1000
FREQUENCY – MHz
TPC 14. Disabled Output Impedance vs. Frequency,
VS = ±5 V
1k
1
0.1 1
10 100 1000
FREQUENCY – MHz
TPC 17. Disabled Output Impedance vs. Frequency,
VS = ±12 V
1k
100 100
10 10
1
0.1
0.1
1 10 100
FREQUENCY – MHz
1000
TPC 15. Enabled Output Impedance vs. Frequency,
VS = ±5 V
1
0.1
0.1
1 10 100
FREQUENCY – MHz
1000
TPC 18. Enabled Output Impedance vs. Frequency,
VS = ±12 V
REV. A
–11–
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet AD8113.PDF ] | |
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