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PDF PI5A4684 Data sheet ( Hoja de datos )
| Número de pieza | PI5A4684 | |
| Descripción | Dual SPDT Analog Switch | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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PI5A4684
Chip Scale Packaging, Dual SPDT Analog Switch
Features
• CMOS Technology for Bus and Analog Applications
• Low On-Resistance: 0.5Ω.
• Wide VCC Range: 1.65V to 5.5V
• Rail-to-Rail Signal Range
• Control Input Overvoltage Tolerance: 5.5V min.
• High Off Isolation: -42dB
• Crosstalk Rejection Reduces Signal Distortion: -70dB
• Low THD (0.05% @ VCC = 2.7V)
• Break-Before-Make Switching
• Extended Industrial Temperature Range: –40°C to 85°C
• Packaging (Pb-free & Green):
– 10-ball Chip Scale Packaging (CSP)
Applications
• Cell Phones
• PDAs
• MP3 players
• Portable Instrumentation
• Computer Peripherals
• Speaker Headset Switching
• Power Routing
• Relay Replacement
• Audio and Video Signal Routing
• PCMCIA Cards
• Modems
Description
Pericom Semiconductor's PI5A4684 is a dual high-bandwidth,
fast single-pole double throw (SPDT) CMOS switch. It can be
used as an analog switch or as a low-delay bus switch. Specified
over a wide operating power supply voltage, 1.65V to 5.5V, the
PI5A4684 has a maximum On-Resistance of 0.5Ω at +2.7V.
Break-before-make switching prevents both switches being
enabled simultaneously. This eliminates signal disruption during
switching.
The control input, INX, tolerates input drive signals up to 6.0V,
independent of supply voltage.
Pin Configuration/ Block Diagram (top view) CSP
GND
NC1 C1 B1 1AC1 NC2
IN1 C2
2AC2 IN2
COM1 C3
A3 COM2
NO1 C4
B4
VCC
A4 NO2
Pin Description
Pin #
CSP
Name
A4, C4 NOX
B1 GND
A1, C1 NCX
A3, C3 COMX
B4 VCC
A2, C2 INX
Description
Data Port (Normally open)
Ground
Data Port (Normally closed)
Common Output / Data Port
Postive Power Supply
Logic Control
06-0062
Logic Function Table
Logic Input (INX)
0
1
Function
NCX Connected to COMX
NOX Connected to COMX
Note:
1. x = 1, or 2
1
PS8792B
05/09/06
1 page  
Test Circuits and Timing Diagrams
VN NC
or NO
LOGIC
INPUT
IN
GND
VCC
VCC
COM
VOUT
RL CL
50Ω 35pF
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
Notes:
1. Unused input (NC or NO) must be grounded.
Figure 1. AC Test Circuit
PI5A4684
Chip Scale Packaging,
Dual SPDT Analog Switch
Logic VIH
Input VIL
Switch
Output 0V
Off 50% On
VOUT
90%
tON
Off
tOFF
tr < 5ns
tf < 5ns
90%
Logic Input Waveforms inverted for
Switches that have opposite logic
* 1.5V for 3.3V Supply
Figure 2. AC Waveforms
VIN
Logic
Input
NC
COM
NO
IN
VOUT
RL CL
50Ω 35pF
Logic
Input
VOUT
50%
tBBM
0.9 x VOUT
Figure 3. Break Before Make Interval Timing
06-0062
5
PS8792B
05/09/06
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet PI5A4684.PDF ] | |
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