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Pericom Semiconductor Corporation

PI5A121 Datasheet Preview

PI5A121 Datasheet

Wide Bandwidth Analog Switches

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PI5A121/PI5A122/PI5A124
Wide Bandwidth Analog Switches
Features
• Single-Supply Operation (+2V to +6V)
• Rail-to-Rail Analog Signal Dynamic Range
• Low On-Resistance (6Ω typ. with 5V supply)
Minimizes Distortion and Error Voltages
• On-Resistance Flatness, 3Ω typ.
• Low Charge Injection Reduces Glitch Errors. Q = 4pC typ.
• High Speed. tON = 10ns typ.
• Wide -3dB Bandwidth: 326 MHz (typ.)
• High-Current Channel Capability: >100mA
• TTL/CMOS Logic Compatible
• Low Power Consumption (0.5µW typ)
• Small outline transistor package minimizes board area
• 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
Applications
• Audio, Video Switching, and Routing
• Battery-Powered Communication Systems
• Computer Peripherals
• Telecommunications
• Portable Instrumentation
• Mechanical Relay Replacement
• Cell Phones
• PDAs
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 <10Ω On-Resistance. On-Resistance
matching between channels is within 2Ω. On-Resistance flatness
is less than 55Ω over the specified range. These switches also
guarantee fast switching speeds (tON <20ns).
These products are available in 5-pin SC70 and/or 6-pin SOT23
plastic packages for operation over the industrial (-40oC to +85oC)
temperature range.
Functional Diagrams, Pin Configurations and Truth Tables
COM 1
PI5A121
5 V+ COM 1
PI5A122
5 V+
IN 1
PI5A124
6 NO
NO 2
NC 2
V+ 2
5 COM
GND 3
4 IN GND 3
4 IN GND 3
4 NC
SOT23-5
SC70-5
SOT23-5
SC70-5
Switches shown for Logic “0” input
SOT23-6
IN
PI5A121
PI5A122
0 OFF ON
1 ON OFF
LOGIC
0
1
PI5A124
NC NO
ON OFF
OFF ON
1
PS8203G
10/19/04




Pericom Semiconductor Corporation

PI5A121 Datasheet Preview

PI5A121 Datasheet

Wide Bandwidth Analog Switches

No Preview Available !

PI5A121/PI5A122/PI5A124
Wide Bandwidth Analog Switch
Absolute Maximum Ratings
Voltages Referenced to Gnd
V+ ..........................................................................-0.5V to +7V
VIN, VCOM, VNC, VNO (Note 1) ...................-0.5V to VCC +2V
or 30mA, whichever occurs first
Current (any terminal)..................................................... ±25mA
Peak Current, COM, NO, NC
(Pulsed at 1ms, 10% duty cycle)..................................... ±25mA
Thermal Information
Continuous Power Dissipation
SOT23-6 (derate 7mW/ºC above +70ºC)........................ 550mW
Storage Temperature .........................................-65ºC to +150ºC
Lead Temperature (soldering, 10s) ................................. +300ºC
Note 1:
Signals on NC, NO, COM, or IN exceeding V+ or GND are clamped by
internal diodes. Limit forward diode current to 30mA.
Caution: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating
and operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied.
Electrical Specifications - Single +5V Supply
(V+ = +5V ± 10%, GND = 0V, VINH = 2.4V, VINL = 0.8V)
Parameter
Symbol
Conditions
Analog Switch
Analog Signal
Range(3)
VANALOG
On-Resistance
On-Resistance
Match Between
Channels(4)
On-Resistance Flat-
ness(5)
NO or NC Off Leak-
age Current(6)
COM Off Leakage
Current(6)
COM On Leakage
Current(6)
RON
∆RON
RFLAT(ON)
INO(OFF) or
INC(OFF)
ICOM(OFF)
ICOM(ON)
V+ = 4.5V,
ICOM = -30mA,
VNO or VNC = +2.5V
V+ = 5V,
ICOM = -30mA,
VNO or VNC = 1V, 2.5V, 4V
V+ = 5.5V,
VCOM = 0V,
VNO or VNC = 4.5V
V+ = 5.5V, VCOM = + 4.5V,
VNO or VNC = ± 0V
V+ = 5.5V,
VCOM = +4.5V
VNO or VNC = +4.5V
Temp.(°C) Min.(1) Typ.(2) Max.(1) Units
Full 0
V+ V
25 7.2 10
Full 12
25 0.2 2
Full 4
25 2.72 3.5
Full 4
25 0.18
Full -80
80
25 0.20
nA
Full -80
80
25 0.20
Full -80
80
2
PS8203G
10/19/04


Part Number PI5A121
Description Wide Bandwidth Analog Switches
Maker Pericom Semiconductor Corporation
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PI5A121 Datasheet PDF






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