PI5A121/PI5A122/PI5A124
Wide Bandwidth Analog Switches
Features
鈥?Single-Supply Operation (+2V to +6V)
鈥?Rail-to-Rail Analog Signal Dynamic Range
鈥?Low On-Resistance (6鈩?typ. with 5V supply)
Minimizes Distortion and Error Voltages
鈥?On-Resistance Flatness, 3鈩?typ.
鈥?Low Charge Injection Reduces Glitch Errors. Q = 4pC typ.
鈥?High Speed. t
ON
= 10ns typ.
鈥?Wide -3dB Bandwidth: 326 MHz (typ.)
鈥?High-Current Channel Capability: >100mA
鈥?TTL/CMOS Logic Compatible
鈥?Low Power Consumption (0.5碌W typ)
鈥?Small outline transistor package minimizes board area
鈥?Packaging (Pb-free & Green available):
- 5-pin 65-mil wide SOT23 (T) for PI5A121 and PI5A122
- 6-pin 65-mil wide SOT23 (T) for PI5A124
- 5-pin 50-mil wide SC70 (C) for PI5A121/PI5A122
Description
The PI5A121/PI5A122/PI5A124 are analog switches designed
for single-supply operation. These high-precision devices are
ideal for low-distortion audio, video, signal switching and rout-
ing.
The PI5A121 is a single-pole throw (SPST) normally open (NO)
switch. The switch is open when IN is LOW. The PI5A122 is
a single-pole single-throw (SPST) normally closed (NC)
switch.
Each switch conducts current equally well in either direction
when on. When off, they block voltages up to V+.
These switches are fully specified with +5V, and +3.3V supplies.
With +5V, they guarantee <10鈩?On-Resistance. On-Resistance
matching between channels is within 2鈩? On-Resistance flatness
is less than 55鈩?over the specified range. These switches also
guarantee fast switching speeds (t
ON
<20ns).
These products are available in 5-pin SC70 and/or 6-pin SOT23
plastic packages for operation over the industrial (-40
o
C to +85
o
C)
temperature range.
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Audio, Video Switching, and Routing
Battery-Powered Communication Systems
Computer Peripherals
Telecommunications
Portable Instrumentation
Mechanical Relay Replacement
Cell Phones
PDAs
Functional Diagrams, Pin Configurations and Truth Tables
PI5A121
COM
1
PI5A122
PI5A124
5 V+
COM
1
5 V+
IN
1
6
NO
5 COM
NO 2
NC 2
V+ 2
GND 3
4 IN
GND 3
4 IN
GND 3
SOT23-6
4
NC
SOT23-5
SC70-5
SOT23-5
SC70-5
Switches shown for Logic 鈥?鈥?input
IN
0
1
PI5A121
OFF
ON
PI5A122
ON
OFF
LOGIC
0
1
1
PI5A124
NC
ON
OFF
NO
OFF
ON
PS8203G
10/19/04
PI5A121CX相關(guān)型號(hào)PDF文件下載
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