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PDF ISL54207 Data sheet ( Hoja de datos )
| Número de pieza | ISL54207 | |
| Descripción | USB/CVBS/ Audio Switches | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ISL54207 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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®
Data Sheet
December 5, 2006
ISL54207
FN6403.0
Low Voltage, Dual SPDT, USB/CVBS/
Audio Switches, with Negative Signal
Capability
The Intersil ISL54207 dual SPDT (Single Pole/Double Throw)
switches combine low distortion audio/video and accurate
USB 2.0 high speed (480Mbps) data signal switching in the
same low voltage device. When operated with a 2.7V to 3.6V
single supply, these analog switches allow audio/video signal
swings below-ground, allowing the use of a common USB and
audio/video connector in digital cameras, camcorders and
other portable battery powered Personal Media Player
devices.
The ISL54207 incorporates circuitry for detection of the USB
VBUS voltage, which is used to switch between the
audio/video and USB signal sources in the portable device.
The part has a control pin to open all the switches and put the
part in a low power down state.
The ISL54207 is available in a small 10 Ld 2.1mm x 1.6mm
ultra-thin μTQFN package and a 10Ld 3mm x 3mm TDFN
package. It operates over a temperature range of -40 to
+85°C.
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
• Application Note AN557 “Recommended Test Procedures
for Analog Switches”
Application Block Diagram
Features
• High Speed (480Mbps) Signaling Capability per USB 2.0
• Low Distortion Negative Signal Capability
• Detection of VBUS Voltage on USB Cable
• Control Pin to Open all Switches and Enter Low Power
State
• Low Distortion Mono Audio Signal
- THD+N at 20mW into 32Ω Load . . . . . . . . . . . . . <0.1%
• Low Distortion Color Video Signal
- Differential Gain . . . . . . . . . . . . . . . . . . . . . . . . . . 0.28%
- Differential Phase. . . . . . . . . . . . . . . . . . . . . . . .0.04deg
• Cross-talk (4MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . -78dB
• Single Supply Operation (VDD) . . . . . . . . . . . . 2.7V to 3.6V
• -3dB Bandwidth USB Switch . . . . . . . . . . . . . . . . . 630MHz
• Available in μTQFN and TDFN Packages
• Pb-Free Plus Anneal Available (RoHS Compliant)
• Compliant with USB 2.0 Short Circuit Requirements
Without Additional External Components
Applications
• Digital Camera and Camcorders
• Video MP3 and other Personal Media Players
• Cellular/Mobile Phones
• PDA’s
• Audio/Video/USB Switching
VBUS
22kΩ
COM1
VDD
ISL54207
LOGIC CIRCUITRY
4MΩ
4MΩ
CTRL
NO1
NO2
COM2
50kΩ NC1
NC2
50kΩ
μCONTROLLER
D- USB
HIGH-SPEED
D+ TRANSCEIVER
NTSC OR PAL
VIDEO
AUDIO
GND
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL54207
Electrical Specifications - 2.7V to 3.6V Supply Test Conditions: VDD = +3.0V, GND = 0V, VBUSH = 3.8V, VBUSL = 3.2V,
VCTRLH = 1.4V, VCTRLL = 0.5V, (Notes 4, 6), unless otherwise specified.
(Continued)
PARAMETER
TEST CONDITIONS
TEMP (NOTE 5)
(NOTE 5)
(°C) MIN
TYP MAX UNITS
CTRL Voltage High, VCTRLH
VDD = 2.7V to 3.6V
Full 1.4
-
-V
Input Current, IBUSL, ICTRLL
VDD = 3.6V, VBUS = 0V or float, CTRL = 0V or float
Full -50
20
50 nA
Input Current, IBUSH
VDD = 3.6V, VBUS = 5.25V, CTRL = 0V or float
Full -2 1.1 2 μA
Input Current, ICTRLH
VDD = 3.6V, VBUS = 0V or float, CTRL = 3.6V
Full -2 1.1 -2 μA
VBUS Pull-Down Resistor, RVBUS VDD = 3.6V, VBUS = 5.25V, CTRL = 0V or float
Full - 4 - MΩ
CTRL Pull-Down Resistor, RCTRL VDD = 3.6V, VBUS = 0V or float, CTRL = 3.6V
Full - 4 - MΩ
NOTES:
4. VLOGIC = Input voltage to perform proper function.
5. The algebraic convention, whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
6. Parts are 100% tested at +25°C. Limits across the full temperature range are guaranteed by design and correlation.
7. Flatness is defined as the difference between maximum and minimum value of on-resistance over the specified analog signal range.
8. rON matching between channels is calculated by subtracting the channel with the highest max rON value from the channel with lowest max rON
value, between NC1 and NC2 or between NO1 and NO2.
Test Circuits and Waveforms
VBUSH
LOGIC
INPUT
VBUSL
50%
tOFF
tr < 20ns
tf < 20ns
SWITCH
INPUT
VINPUT
VOUT
90%
90%
SWITCH
OUTPUT
0V
tON
Logic input waveform is inverted for switches that have the opposite
logic sense.
VDD
C
VINPUT
SWITCH
INPUT
CTRL
NO or NC
VBUS
COMx
VBUS
GND
VOUT
RL CL
50Ω 10pF
Repeat test for all switches. CL includes fixture and stray
capacitance.
VOUT
=
V (INPUT)
-----------R-----L-----------
RL + r(ON)
FIGURE 1A. MEASUREMENT POINTS
FIGURE 1. SWITCHING TIMES
FIGURE 1B. TEST CIRCUIT
5 FN6403.0
December 5, 2006
5 Page 
ISL54207
Typical Performance Curves TA = +25°C, Unless Otherwise Specified (Continued)
0.5 0.5
RLOAD = 32Ω
FREQ = 1kHz
0.4 VDD = 3V
RLOAD = 32Ω
FREQ = 1kHz
VDD = 3V
0.4
0.3 0.3
0.2 0.2
0.1 0.1
0
0 0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT VOLTAGE (VP-P)
FIGURE 12. THD+N vs OUTPUT VOLTAGE
3.5
0
0 10 20 30 40
OUTPUT POWER (mW)
FIGURE 13. THD+N vs OUTPUT POWER
50
TIME (10ns/DIV)
FIGURE 14. EYE PATTERN: 480Mbps WITH NOx SWITCHES IN THE SIGNAL PATH
11
FN6403.0
December 5, 2006
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet ISL54207.PDF ] | |
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