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PDF NLAS6234 Data sheet ( Hoja de datos )
| Número de pieza | NLAS6234 | |
| Descripción | Dual SPDT 0.5 Ohm Popless Analog Switch | |
| Fabricantes | On Semiconductor | |
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NLAS6234
Audio DPDT Switch with
Noise Suppression
Description
The NLAS6234 is a DPDT switch featuring Popless noise
suppression circuitry designed to prevent pass through of undesirable
transient signals known as pops. Intended for audio systems within
portable applications, it provides protection against audible pops that
are generated when switching between two different audio sources,
such as an amplifier and a CODEC.
www.DataSheet4U.Tcohme NLAS6234 incorporates two double throw switches controlled
by a single select line which allows the system controller to
simultaneously switch between two sets of signal lines. The Popless
noise suppression circuitry controls the ON and OFF times that define
the time interval when switching between the normally open (NO) and
normally closed (NC) terminals. This allows any pops to be dissipated
within the system before the switch settles into a closed position.
The NLAS6234 operates off of a single supply voltage, VCC, and is
available in an ultra-thin UQFN10 package.
Features
•ăPopless Noise Suppression Circuitry
•ăOVT up to +4.5 V on Control Pin
•ăRON < 0.5 W Across BCC Range, Typical
•ăTHD < 0.02 %, Typical
•ăOff Isolation = -70 dB, Typical
•ăCrosstalk Attenuation < -70 dB, Typical
•ăUltra Small, Thin Package: 1.4 mm x 1.8 mm UQFN10
•ăThis is a Pb-Free Device
Typical Applications
•ăCell Phones, PDAs, MP3 and Other Portable Media Players
http://onsemi.com
MARKING
DIAGRAM
1
UQFN10
MU SUFFIX
CASE 488AT
AR MG
G
AR = Specific Device Code
M = Date Code
G = Pb-Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
©Ă Semiconductor Components Industries, LLC, 2007
October, 2007 - Rev. 1
1
Publication Order Number:
NLAS6234/D
1 page  
VCC
0.1 mF
Open
Input
NLAS6234
DUT
Output
50 W
VOUT
35 pF
VCC
Input
0V
Output
50%
VOH
90%
VOL
Figure 2. tON / tOFF, Vis = VCC
tON
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Open
Input
DUT
VCC
Output
50 W
VOUT
35 pF
VCC
Input
0V
Output
50%
VOH
VOL
Figure 3. tON / tOFF, Vis = GND
10%
tOFF
50%
90%
tOFF
50%
10%
tON
Reference
Input
50 W Generator
DUT
Output
50 W
Transmitted
50 W
Channel switch control/s test socket is normalized. Off isolation is measured across an off channel. On loss is the bandwidth of
an On switch. VISO, Bandwidth and VONL are independent of the input signal direction.
ǒ ǓVISO + OffĂChannelĂIsolation + 20ĂLogĂ
VOUT
VIN
forĂ VINĂatĂ100ĂkHz
ǒ ǓVONL + OnĂChannelĂLoss + 20ĂLogĂ
VOUT
VIN
forĂ VIN at 100 kHz to 50 MHz
Bandwidth (BW) = the frequency 3 dB below VONL
VCT = Use VISO setup and test to all other switch analog input/outputs terminated with 50 W
Figure 4. Off-Channel Isolation/On Channel Loss (BW)/Crosstalk (On Channel to Off Channel)/VONL
http://onsemi.com
5
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NLAS6234.PDF ] | |
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