pi5a123 Pericom Semiconductor Corporation, pi5a123 Datasheet

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pi5a123

Manufacturer Part Number
pi5a123
Description
Single Spdt With Low Ron
Manufacturer
Pericom Semiconductor Corporation
Datasheet
Features
• CMOS Technology for Bus and Analog Applications
• Low ON Resistance: 0.8-ohm at V
• Wide V
• Rail-to-Rail Signal Range
• Control Input Over voltage Tolerance: 5.5V min.
• Fast Transition Speed: 5.2ns max. at 5V
• High Off Isolation: -62dB at 1MHz
• -70dB (1MHz) Crosstalk Rejection Reduces Signal Distortion
• Break-Before-Make Switching
• High Bandwidth: 55 MHz
• Extended Industrial Temperature Range: –40°C to 85°C
• Improved Direct Replacement for NLAS5123
• Packaging (Pb-free & Green available):
Applications
• Cell Phones
• PDAs
• Portable Instrumentation
• Battery Powered Communications
• Computer Peripherals
Pin Description
Truth Table
H = HIGH Logic Level.
L = LOW Logic Level.
Name
NC, NO, COM
IN
Control Input
L
H
09-0057
- 6-pin TDFN (1.2mm x 1.0mm)
DD
Range: 1.65V to 5.5V
Description
Data Ports
Control Input
Function
NC Connected to COM
NO Connected to COM
DD
= 4.5V
SOT
1
Connection Diagram (Top View)
Description
The PI5A123 is a low R
(SPDT) CMOS switch. It can be used as an analog switch or
as a low-delay bus switch. Specifi ed over a wide operating
power supply voltage range, 1.65V to 5.5V, the PI5A123 has a
maximum ON resistance of 2-Ohms.
Break-before-make switching prevents both switches being
enabled simultaneously. This eliminates signal disruption during
switching.
The control input, IN, tolerates input drive signals up to 5.5V,
independent of supply voltage.
PI5A123 is an improved direct replacement for the NLAS5123.
COM
IN
INY
GND
TM
NO
NC
Low Voltage SPDT Analog Switch
1
2
3
2:1 Mux/Demux Bus Switch
ON
, fast single-pole double-throw
6
5
4
PS8965C
IN
V
COM
DD
PI5A123
03/26/09
NC
NO

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pi5a123 Summary of contents

Page 1

... CMOS switch. It can be used as an analog switch low-delay bus switch. Specifi ed over a wide operating power supply voltage range, 1.65V to 5.5V, the PI5A123 has a maximum ON resistance of 2-Ohms. Break-before-make switching prevents both switches being enabled simultaneously. This eliminates signal disruption during switching ...

Page 2

... IN )..........................................................................0V to OUT ).........................................................–40°C to +85° 2.3V - 3.6V ...........................................0ns/V to 10ns 4.5V - 5.5V .............................................0ns/V to 5ns .....................................................................350°C +25° – 40°C to +85°C A Typ Max Min 1.4 1.5 0.6 0.8 ±0.1 ±1 +2.0 ±20 +4.0 ±40 1.5 2.0 0.8 1 0.15 0.12 0.15 PS8965C PI5A123 VDD VDD VDD Unit Max V μA nA Ohm μA Ohm 03/26/09 ...

Page 3

... A Typ Max Min 0.1 0.3 0.4 Typ MHz 2.0 = 4.5V MHz 20 = 4.5V MHz 55 = +25° – 40°C to +85° Min Typ Max Min 2.0 0 –62 PS8965C PI5A123 Unit Max Ohm Max Unit pF Unit Max 03/26/09 ...

Page 4

... C L includes load and stray capacitance. Input PRR = 1.0 MHz 500ns. Figure 1. AC Test Circuit 4 TM Low Voltage SPDT Analog Switch INY 2:1 Mux/Demux Bus Switch = +25° – 40°C to +85° Min Typ Max Min –70 55 0.012 100-Ohm PS8965C PI5A123 Unit Max dB MHz % 03/26/09 ...

Page 5

... Figure 2. Switching Time DD (Time Break-Before-Make) BBM Logic OFF V OUT Input C L 1nF Figure 4. Charge Injection 5 TM Low Voltage SPDT Analog Switch 2:1 Mux/Demux Bus Switch t r <20ns t f <20ns 50% t OFF V OUT 90% 90 OFF ΔV OUT Q = (ΔV )(C ) OUT L PS8965C PI5A123 03/26/09 ...

Page 6

... V DD NO/NC IN Logic Input GND Figure 9. Bandwidth 6 TM Low Voltage SPDT Analog Switch 2:1 Mux/Demux Bus Switch V DD 10nF V DD COM GND -Ohm Figure 6. Crosstalk V DD 10nF V DD COM Logic Input NO/NC GND COM 50-Ohm PS8965C PI5A123 -Ohm DD 03/26/09 ...

Page 7

... Package Code Package Description ZR 6-pin TDFN, Pb-Free and Green 7 TM Low Voltage SPDT Analog Switch 2:1 Mux/Demux Bus Switch D A ZR6 2074 Top Mark PS8965C PI5A123 03/26/09 ...

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