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PS323 Datasheet Preview

PS323 Datasheet

Precision / Single-Supply SPST Analog Switches

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SPST Analog Switches
Features
Low On-Resistance (33-Ohm typ.) Minimizes Distortion
and Error Voltages
Low Glitching Reduces Step Errors in Sample-and-Holds.
Charge Injection, 2pC typ.
Single-Supply Operation (+2.5V to +16V)
· Improved Second Sources for MAX323/MAX324/MAX325
On-Resistance Matching Between Channels, <2-Ohm
On-Resistance Flatness, <6-Ohm max.
Low Off-Channel Leakage, <5nA @ +85oC
TTL/CMOS Logic Compatible
Fast Switching Speed, tON <150ns
Guaranteed Break-Before-Make action (PS325 only)
eliminates momentary crosstalk
v Rail-to-Rail Analog Signal Dynamic Range
Low Power Consumption, <5mW
MSOP Package Minimizes Board Area
Applications
Audio Switching and Routing
Portable Instruments
Data Acquisition Systems
Sample-and-Holds
Telecommunication Systems
Battery-Powered Systems
Description
The PS323/PS324/PS325 are improved high-precision, medium-
voltage analog switches designed to operate with single power
supplies. The PS323 is a dual, single-pole single-throw (SPST),
normally open (NO) switch. The PS324 has the same pinout as the
PS323 but it has two normally closed (NC) switches. The PS325 has
one normally open (NO) and one normally closed (NC) switch per
package. Each switch conducts current equally well in either
direction when on. In the off state, each switch blocks voltages up
to the power-supply rail.
With a +5V power supply, PS323/PS324/PS325 guarantee <60-ohm
ON-resistance. ON-resistance matching between channels is within
2W. ON-resistance flatness is less than 6W over the specified
range. All three devices guarantee low leakage currents (<100 pA
@ 25oC, <10nA @ +85oC) and fast switching speeds (tON <150ns).
Break-before-make switching action protects against momentary
crosstalk (PS325).
For single-supply operation below 5V, PI5A317/318/319 are also
recommended.
Functional Diagrams, Pin Configurations, and Truth Tables
NO1 1
COM1 2
IN2 3
GND 4
PS323
Top View
8 V+
7 IN1
6 COM2
5 NO2
NC1 1
COM1 2
IN2 3
GND 4
PS324
Top View
8 V+
7 IN1
6 COM2
5 NC2
NC1 1
COM1 2
IN2 3
GND 4
PS325
Top View
8 V+
7 IN1
6 COM2
5 NC2
Switches shown for logic “0” input
PS323
Logic
Switch
0 OFF
1 ON
PS324
Logic
Switch
0 ON
1 OFF
Logic
0
1
PS325
Switch 1
OFF
ON
Switch 2
ON
OFF
1 PS8188C 10/24/02




ETC

PS323 Datasheet Preview

PS323 Datasheet

Precision / Single-Supply SPST Analog Switches

No Preview Available !

PS323/PS324/PS325
Precision, Single Supply SPST Analog Switches
1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Absolute Maximum Ratings
Thermal Information
Voltages Referenced to GND .......................................................
V+ ........................................................................... -0.3Vto+17V
VIN, VCOM, VNC, VNO (1) ................................................ –2V to (V+) +2V
or 30mA, whichever occurs first
Current (any terminal) ........................................................ 30mA
Peak Current, COM, NO, NC
(pulsed at 1ms, 10% duty cycle) ....................................... 100mA
ESD per Method 3015.7 ................................................... >2000V
Continuous Power Dissipation
Plastic DIP (derate 6mW/ ºC above +70ºC) ...................... 500mW
Narrow SO (derate 6mW/ ºC above +70ºC) ...................... 450mW
MSOP (derate 4mW/ ºC above +70ºC) ............................ 330mW
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
30mAmaximum.
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)
On-Resistance
On-Resistance Match
Between Channels (4)
VAN ALO G
RO N
RO N
V+ = 4.5V,
VN O or VN C = +3.5V
ICO M = 1mA,
VN O or VN C = +3V,
ICO M = 1mA,
V+ = 5V,
On-Resisatance Flatness (5)
NO or NC Off Leakage
Current(6)
COM Off Leakage Current (6)
RFLAT(O N )
IN O (O FF) or
IN C (O FF)
IC O M (O FF)
V+ = 5V,
ICO M = 1mA,
VN O or VN C = 1V, 2V, 3V
V+ = 5.5V,
VCO M = 1V,
VN O or VN C = 4.5V
V+ = 5.5V
VCO M = 4.5V
VN O or VN C = 1V
COM On Leakage Current (6)
IC O M (O N )
V+ = 5.5V
VCO M = 5V
VN O or VN C = 5V
Temp (°C) Min(1)
0
25
Full
25
Full
25
Full
25 –0.1
Full –5
25 –0.1
Full –5
25 –0.2
Full –10
Typ(2) Max(1) Units
20
30
0.8
2
–0.01
–0.01
–0.04
V+
35
60
2
4
6
8
0.1
5
0.1
5
0.2
10
V
ohm
nA
2 PS8188C 10/24/02


Part Number PS323
Description Precision / Single-Supply SPST Analog Switches
Maker ETC
PDF Download

PS323 Datasheet PDF






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