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PDF ADG790 Data sheet ( Hoja de datos )
| Número de pieza | ADG790 | |
| Descripción | CMOS Multimedia Switch | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Low Voltage, CMOS Multimedia Switch
ADG790
FEATURES
Single-chip audio/video/data switching solution
Wide bandwidth section
Rail-to-rail signal switching capability
Compliant with full speed USB 2.0 signaling (3.6 V p-p)
Compliant with high speed USB 2.0 signaling (400 mV p-p)
Supports USB data rates up to 480 Mbps
550 MHz, 3 dB bandwidth
Low RON: 5.9 Ω typical
Excellent matching between channels
Low distortion section
Low RON: 3.9 Ω typical
230 MHz, 3 dB bandwidth (SPDT)
160 MHz, 3 dB bandwidth (4:1 multiplexers)
Single-supply operation: 1.65 V to 3.6 V
Typical power consumption: <0.1 μW
Pb-free packaging: 30-ball WLCSP (3 mm × 2.5 mm)
APPLICATIONS
Cellular phones
PMPs
www.DataSheet4U.com MP3 players
Audio/video/data/USB switching
FUNCTIONAL BLOCK DIAGRAM
ADG790
WIDE
BANDWIDTH
SECTION
S1A
S1B
D1
S2A
S2B
D2
S3A
S3B
D3
LOW
DISTORTION
SECTION
S5A
S5B
S5C
S5D
D5
S6A
S6B
S6C
S6D
D6
S4A
S4B
D4
DECODER
VDD IN1 IN2 IN3 S/D GND
Figure 1.
GENERAL DESCRIPTION
The ADG790 is a single-chip, CMOS switching solution that
comprises four SPDT switches and two 4:1 multiplexers. The
internal architecture of the device provides two switching
sections, a wide bandwidth section and a low distortion section.
The wide bandwidth section contains three SPDT switches that
exhibit low on resistance with excellent flatness and channel
matching. This, combined with wide bandwidth, makes the
three-SPDT-switch configuration ideal for high frequency
signals, such as full speed (12 Mbps) and high speed (480 Mbps)
USB signals and high resolution video signals.
The low distortion section contains a single SPDT switch and
two 4:1 multiplexers that exhibit very low on resistance and
excellent flatness, making these switches ideal for a wide range
of applications, including low distortion audio applications and
low resolution video (CVBS and S-Video) applications.
All switches conduct equally well in both directions when on
and block signals up to the supply rails when off. A 4-wire
parallel interface controls the operation of the device and
allows the user to control switches from both sections simul-
taneously. This simplifies the design and provides a cost-effective,
single-chip switching solution for portable devices where
multiple signals share a single port connector. The shutdown
(S/D) pin allows the user to disable all four SPDT switches and
force the 4:1 multiplexers into the S5B and S6B positions,
respectively.
The ADG790 is packaged in a compact, 30-ball WLCSP (6 × 5
ball array) with a total area of 7.5 mm2 (3 mm × 2.5 mm). This
tiny package size and its low power consumption make the
ADG790 an ideal solution for portable devices.
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
©2007 Analog Devices, Inc. All rights reserved.
1 page  
ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 2.
Parameter
Rating
VDD to GND
Analog and Digital Pins1
Peak Current, S or D
Continuous Current, S or D
Operating Temperature Range
Storage Temperature Range
Junction Temperature
Thermal Impedance (θJA)2
Reflow Soldering (Pb Free)
Peak Temperature
–0.3 V to +4.6 V
–0.3 V to VDD + 0.3 V or 10 mA,
whichever occurs first
100 mA (pulsed at 1 ms, 10%
duty cycle maximum)
30 mA
–40°C to +85°C
–65°C to +125°C
150°C
80°C/W
260°C (+0°C/–5°C)
Time at Peak Temperature
As per JEDEC J-STD-20
1 Overvoltages at IN, S, or D are clamped by internal diodes. Limit current to
the maximum ratings given.
2 Measured with the device soldered on a 4-layer board.
ADG790
Stresses above those listed under Absolute Maximum Ratings
may cause permanent 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.
Only one absolute maximum rating can be applied at any one time.
ESD CAUTION
Rev. 0 | Page 5 of 20
5 Page 
TEST CIRCUITS
IDS
V1
SD
VS RON = V1/IDS
Figure 18. On Resistance
IS (OFF)
AS
VS
ID (OFF)
DA
VD
Figure 19. Off Leakage
NC S
ID (ON)
DA
NC = NO CONNECT
VD
Figure 20. On Leakage
VDD
0.1µF
VDD
NC
SxB SxA
50Ω
Dx
GND
NETWORK
ANALYZER
50Ω
VS
RL VOUT
50Ω
OFF ISOLATION = 20 log VOUT
VS
NC = NO CONNECT
Figure 21. Off Isolation
ADG790
NETWORK
ANALYZER
VOUT
RL
50Ω
50Ω
VS
VDD
0.1µF
SxA
VDD
SxB Dx
RL
50Ω
GND
CHANNEL-TO-CHANNEL CROSSTALK = 20 log VOUT
VS
Figure 22. Channel-to-Channel Crosstalk
VDD
0.1µF
VDD
SxB SxA
Dx
GND
NETWORK
ANALYZER
50Ω
VS
RL VOUT
50Ω
INSERTION LOSS = 20 log
VOUT WITH SWITCH
VOUT WITHOUT SWITCH
Figure 23. –3 dB Bandwidth
Rev. 0 | Page 11 of 20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet ADG790.PDF ] | |
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