pi5a4764 Pericom Semiconductor Corporation, pi5a4764 Datasheet

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pi5a4764

Manufacturer Part Number
pi5a4764
Description
Csp Low Voltage Dual Spdt Audio Clickless Analog Switch, 2 1 Mux/demux Bus Switch With Shunt Switches
Manufacturer
Pericom Semiconductor Corporation
Datasheet

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Part Number:
pi5a4764GBEX
Manufacturer:
PERICOM
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Part Number:
pi5a4764GBEX
Manufacturer:
PERICOM
Quantity:
20 000
Features
• CMOS Technology for Bus and Analog Applications
• Low On-Resistance: 0.6Ω @ 2.7V
• Wide V
• Rail-to-Rail Signal Range
• Control Input Overvoltage Tolerance: 5.5V min.
• High Off Isolation: -53dB
• Crosstalk Rejection Reduces Signal Distortion: -84dB
• Break-Before-Make Switching
• Low THD (0.017% @ V
• Extended Industrial Temperature Range: –40
• Packaging (Pb-free & Green):
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
Pin Description
- 10-ball CSP
A1, C1
A3, C3
A2, C2
A4, C4
Pin #
B1
B4
CC
Range: 1.65V TO 5.5V
COM
Name
GND
NO
NC
V
IN
CC
X
X
X
X
Data Port (Normally open)
Positive Power Supply
Data Port (Normally closed)
Ground
Common Output/Data Port
Logic Control
CC = 2.7V)
Description
Small Package, Dual SPDT Audio Clickless Analog Switch
°
C to 85
°
C
1
Description
Pericom Semiconductor's PI5A4764 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
PI5A4764 has a low On-Resistance of 0.6Ω @ 2.7V.
Break-before-make switching prevents both switches being enabled
simultaneously. This eliminates signal disruption during switching.
The control input, IN
independent of supply voltage.
The PI5A4764 shunt switches connected to ground in order to
dissipate capacitance that builds up on the unconnected NC or
NO line. As a result, reduction of popping and clicking sounds is
achieved when switching between audio sources.
Pin Configuration /Block Diagram (top view) CSP
Logic Function Table
Note:
1.
COM 2
NO 2
NC 2
Logic Input (IN
x = 1, or 2
IN 2
C1
C2
C3
C4
0
1
X
X
)
, tolerates input drive signals up to 6.0V,
NC
NO
GND
SWITCH
V CC
SHUNT
B1
B4
X
X
Connected to COM
Connected to COM
Function
PS8790
PI5A4764
A1
A2
A3
A4
X
X
NO 1
COM 1
NC 1
IN 1
10/20/05

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pi5a4764 Summary of contents

Page 1

... PI5A4764 has a low On-Resistance of 0.6Ω @ 2.7V. Break-before-make switching prevents both switches being enabled simultaneously. This eliminates signal disruption during switching. The control input, IN independent of supply voltage. The PI5A4764 shunt switches connected to ground in order to ° ° dissipate capacitance that builds up on the unconnected line ...

Page 2

... Supply Voltage Operating (V +0.5V Control Input Voltage (V CC Switch Input Voltage (V Output Voltage (V ) ....................... ±100mA Operating Temperature (T Input Rise and Fall Time (t Control Input V Control Input V Thermal Resistance (θ 2 PI5A4764 ( 1.65V to 5. OUT ) . . . . . . . . . . . . . . . –40°C to +85° ...

Page 3

... 2.7V COM (ON +2.5V, 0.3V COM V = 2. 4. 2. 4. 5.5V Min. Typ. Max. 0 0.5 0.5 0.01 .15 . 0.3V, +2.5V, -160 1.8 2 PI5A4764 Units 0.6 0.6 0.06 Ω 0.4 0.4 Ω 160 nA V 0.6 0.8 µ µA PS8790 10/20/05 ...

Page 4

... R = 32Ω 2.0V 3. 20Hz to 20kHz R = 32Ω 1.5V 2. 20Hz to 20kHz Test Conditions MHz, See Test Circuit Fig MHz, See Test Circuit Fig PI5A4764 Min. Typ. Max. Units 25.0 60 -53 dB -84 37 MHz 0.03 0.026 % ...

Page 5

... Switches that have opposite logic * 1.5V for 3.3V Supply Figure 2. AC Waveforms Logic V Input OUT 50Ω 35pF Figure 3. Break Before Make Interval Timing 5 V OUT C L 35pF t < 5ns r t < 5ns f Off t OFF 90% 50% OUT 0 BBM PS8790 PI5A4764 OUT 10/20/05 ...

Page 6

... MHz OFF ON OFF ∆ (∆V )(C ) OUT 10nF 50Ω COM NC NO GND 5pF 50Ω Figure 6. Crosstalk V CC 10nF V CC COM GND Figure 8. Channel On Capacitance PS8790 PI5A4764 OUT 50Ω Logic Input 10/20/05 ...

Page 7

... Small Package, Dual SPDT Audio Clickless Analog Switch V CC 10nF 50Ω Logic Input GND Figure 9. Bandwidth 0.70 ± 0.05 1.50 ± 0.05 0.27 ± 0.03 0.50 Basic + + 1.00 Basic + 0.37 Basic 3 4 Packaging Code GA Pb-free & Green, 10-ball CSP 7 COM ANALYZER 50Ω 0.33 REF Package Type PS8790 PI5A4764 10/20/05 ...

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