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PDF ISL54215 Data sheet ( Hoja de datos )
| Número de pieza | ISL54215 | |
| Descripción | MP3/USB 2.0 High Speed Switch | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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ISL54215
®
www.DataSheet4U.com
Data Sheet
MP3/USB 2.0 High Speed Switch with
Negative Signal Handling and Low Power
Shutdown
The Intersil ISL54215 dual SPDT (Single Pole/Double Throw)
switch combines low distortion audio and accurate USB 2.0
high speed data (480Mbps) signal switching in the same low
voltage device. When operated with a 2.5V to 5.0V single
supply, this analog switch allows audio signal swings below
ground, allowing for the use of a common USB and audio
headphone connector in Personal Media Players and other
portable battery powered devices.
The ISL54215 logic control pins are 1.8V compatible, which
allows for control via a standard microcontroller.
The ISL54215 has an audio enable control pin to open all
switches and put the part in a low power state. In this state,
the device draws typically 1nA of current.
The ISL54215 is available in a small 10 Ld 2.1mmx1.6mm
ultra-thin µTQFN package. It operates over a temperature
range of -40°C to +85°C.
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
Application Block Diagram
3.3V
November 25, 2008
FN6815.0
Features
• High Speed (480Mbps) and Full Speed (12Mbps)
Signaling Capability per USB 2.0
• Low Distortion Negative Signal Capability
• Low Power Shutdown State
• Low Distortion Headphone Audio Signals
- THD+N at 1mW into 32Ω Load . . . . . . . . . . . . <0.013%
• Crosstalk (100kHz) . . . . . . . . . . . . . . . . . . . . . . . . . -95dB
• OFF-Isolation (100kHz) . . . . . . . . . . . . . . . . . . . . . . 95dB
• Single Supply Operation (VDD) . . . . . . . . . . . . 2.5V to 5.0V
• -3dB Bandwidth USB Switch . . . . . . . . . . . . . . . . . 736MHz
• Available in µTQFN Package
• Compliant with USB 2.0 Short Circuit Requirements
Without Additional External Components
• Pb-Free (RoHS Compliant)
Applications
• MP3 and other Personal Media Players
• Cellular/Mobile Phones
• PDAs
• Audio/USB Switching
VBUS
VDD
ISL54215
IN
LOGIC CONTROL
4MΩ
COM -
COM +
CTRL
4MΩ
D-
D+
L
R
GND
µCONTROLLER
USB
HIGH-SPEED
TRANSCEIVER
AUDIO
CODEC
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. 2008. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL54215
Electrical Specifications - 2.7V to 3.6V Supply Test Conditions: VDD = +3.0V, GND = 0V, VINH = VCTRLH = 1.4V, VINL = VCTRLL =
0.5V, (Note 6), Unless Otherwise Specified. (Continued)
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PARAMETER
TEST CONDITIONS
TEMP MIN
MAX
(°C) (Notes 7, 8) TYP (Notes 7, 8) UNITS
COM ON-Capacitance,
f = 1MHz, VDD = 3.0V, IN = 3.0V, CTRL = 0V or 3V, VD- or
25
-
7
-
pF
CCOMx(ON)
VD+ = VCOMx = 0V (Figure 5)
POWER SUPPLY CHARACTERISTICS
Power Supply Range, VDD
Positive Supply Current, IDD
VDD = 3.6V, IN = 0V or 3.6V, CTRL = 3.6V
Full 2.5
5.0 V
25 -
7 13 µA
Full -
- 15 µA
Positive Supply Current, IDD VDD = 3.6V, IN = 0V, CTRL = 0V or float
(Low Power State)
25 -
Full -
1 10 nA
- 150 nA
Power OFF-Current, IDx ICOMx VDD = 0V, VDx = VCOMx = 5.25V, IN = CTRL = Float
DIGITAL INPUT CHARACTERISTICS
25 - 7 - µA
Voltage Low, VINL, VCTRLL VDD = 2.7V to 3.6V
Full -
- 0.5 V
Voltage High, VINH, VCTRLH VDD = 2.7V to 3.6V
Full 1.4
-
-
V
Input Current, IINL, ICTRLL
VDD = 3.6V, IN = 0V, CTRL = 0V
Full -50 20 50
nA
Input Current, IINH
VDD = 3.6V, IN = 3.6, CTRL = 0V
Full -2 0.9 2
µA
Input Current, ICTRLH
VDD = 3.6V, IN = 0V, CTRL = 3.6V
Full -2 0.9 2
µA
CTRL Pull-Down Resistor,
VDD = 3.6V, IN = 0V, CTRL = 3.6V; measure current through the Full
-
4
- MΩ
RCTRL
internal pull-down resistor and calculate resistance value.
IN Pull-Down Resistor, RIN
VDD = 3.6V, IN = 3.6V, CTRL = 3.6V; measure current through Full
-
4
- MΩ
the internal pull-down resistor and calculate resistance value.
NOTES:
6. Vlogic = Input voltage to perform proper function.
7. The algebraic convention, whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
8. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
9. Flatness is defined as the difference between maximum and minimum value of ON-resistance over the specified analog signal range.
10. Limits established by characterization and are not production tested.
11. 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 L and R or between D+ and D-.
5 November 25, 2008
5 Page 
ISL54215
Typical Performance Curves TA = +25°C, Unless Otherwise Specified.
w0.w02w0.DaRtLaOSAhDe=et342UΩ.com
0.019 PLOAD = 1mWRMS
VDD = 2.6V
0.080
0.075
RLOAD = 32Ω
VLOAD = 0.707VRMS
VDD = 2.6V
0.018
0.017
0.016
0.070
0.065
0.015
0.014
0.013
0.012
0.011
VDD = 2.7V
VDD = 3V
VDD = 3.6V
VDD = 5V
0.060
0.055
0.050
0.045
VDD = 2.7V
VDD = 3V
VDD = 3.6V
VDD = 5V
0.010
20
50 100 200 500 1k 2k
FREQUENCY (Hz)
5k 10k 20k
0.040
20
50 100 200 500 1k 2k
FREQUENCY (Hz)
5k 10k 20k
FIGURE 10. THD+N vs SUPPLY VOLTAGE vs FREQUENCY
FIGURE 11. THD+N vs SUPPLY VOLTAGE vs FREQUENCY
0.11
0.10
RLOAD = 32Ω
VDD = 3V
0.09
3VP-P
0.08
0.07
0.06
0.05
2.5VP-P
2VP-P
0.04
0.03
1VP-P
0.02
20
50 100 200 500 1k 2k
FREQUENCY (Hz)
5k 10k 20k
FIGURE 12. THD+N vs SIGNAL LEVELS vs FREQUENCY
0.10
0.09
0.08
0.07
0.06
0.05
0.04
0.03
RLOAD = 32Ω
FREQ = 1kHz
VDD = 3V
0.02
0.01
0.5
1.0 1.5
2.0
OUTPUT VOLTAGE (VP-P)
2.5
FIGURE 13. THD+N vs OUTPUT VOLTAGE
3.0
11 November 25, 2008
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet ISL54215.PDF ] | |
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