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| 型號： | ISL54405IRUZ-T |
| 廠商： | Intersil |
| 文件頁數(shù)： | 1/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MUX 2:1 STEREO CD/MP3 16-TQFN |
| 標準包裝： | 1 |
| 功能： | 開關 |
| 電路： | 2 x SPDT |
| 導通狀態(tài)電阻： | 1.9 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 3.6 V |
| 電流 - 電源： | 55µA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 16-QFN-EP（3x3） |
| 包裝： | 標準包裝 |
| 產(chǎn)品目錄頁面： | 1247 (CN2011-ZH PDF) |
| 其它名稱： | ISL54405IRUZ-TDKR |
1
FN6699.1
ISL54405
CD/MP3 Quality Stereo 2:1 Multiplexer
with Click and Pop Elimination
The Intersil ISL54405 is a single supply, bidirectional, dual
single-pole/double-throw (SPDT) ultra low distortion, high
OFF-Isolation analog switch that can pass analog signals that
are positive and negative with respect to ground. It is primarily
targeted at consumer and professional audio switching
applications such as Computer Sound Cards and Home
Theater products. The inputs can accommodate ground
referenced signals up to 2VRMS while operating from a single
3.3V or 5V DC supply. The digital logic inputs are 1.8V
logic-compatible when using a single 3.3V or 5V supply. It can
be used in both AC or DC coupled ground referenced
applications.
The ISL54405 features a soft-switch feature and click/pop
circuitry at each signal pin that eliminates clicks and pops
associated with power-up/down conditions of the preceding
amplifier outputs.
With -106dB THD+N performance with a 2VRMS signal into
20k
Ω load, superior signal muting, high PSRR and very flat
frequency response the ISL54405 meets the exacting
requirements of consumer and professional audio engineers.
The ISL54405 is available in 16 Ld TSSOP, 16 Ld 3mmx3mm
TQFN, and 16 Ld 2.6mmx1.8mm TQFN packages. Its
specified for operation over the -40°C to +85°C temperature
range.
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”
Features
Clickless Audio Switching
2VRMS Signal Switching from 3.3V or 5V Supply
-106dB THD+N into 20k
Ω Load @ 2V
RMS
-108dB THD+N into 32
Ω Load @ 3.9mW
Signal to Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >124dBV
±0.01dB Insertion Loss at 1kHz, 20k
Ω Load
±0.007dB Gain Variation 20Hz to 20kHz
125dB Signal Muting into 20k
Ω Load
90dB PSRR 20Hz to 20kHz
Single Supply Operation . . . . . . . . . . . . . . . . . . . . 3.3V or 5V
Available in 16 Ld TSSOP, 16 Ld TQFN, and 16 Ld TQFN
Pb-Free (RoHS Compliant)
Applications
Computer Sound Cards
Home Theater Audio Products
SACD/DVD Audio
DVD Player Audio Output Switching
Headsets for MP3/Cellphone Switching
Hi-Fi Audio Switching Application
Block Diagram
TABLE 1. FEATURES AT A GLANCE
ISL54405
Number of Switches
2
Switch Type
SPDT or 2 to 1 MUX
Insertion Loss
±0.01dB
THD+N, 2VRMS, 20kΩLoad
-106dB
OFF-Isolation (MUTE)
125dB
Packages
16 Ld TSSOP, 16 Ld 3x3 TQFN,
16 Ld 2.6x1.8 TQFN
LOGIC
ISL54405
SEL
MUTE
L
R
L1
L2
R1
R2
CAP_SS
VDD
5V_Supply
For 5V operation connect the 5V_Supply pin to 5V and float the
VDD pin. For 3.3V operation connect the VDD pin to 3.3V and float
GND
AC/DC
the 5V_Supply pin.
DIR_SEL
CONTROL
AND
CLICK/POP
Data Sheet
June 5, 2008
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.
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