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PDF PS320 Data sheet ( Hoja de datos )
| Número de pieza | PS320 | |
| Descripción | Precision / Dual-Supply Analog Switches | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PS320 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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PS320/PS321/PS3221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Precision, Dual-Supply Analog Switches
Features
• Low On-Resistance (17W typ.) Minimizes Distortion and
Error Voltages
• Low Glitching Reduces Step Errors in Sample-and-Holds
• Split-Supply Operation (±3V to ±8V)
• Improved Second Sources for MAX320/MAX321/MAX322
• On-Resistance Matching Between Channels, 0.2Ω typ.
• On-Resistance Flatness, <2Ω typ.
• Low Off-Channel Leakage, <5nA @ +85°C
• TTL/CMOS Logic Compatible
• Fast Switching Speed, tON <150ns
• Guaranteed Break-Before-Make action (PS322) eliminates
momentary crosstalk
• Rail-to-Rail Analog Signal Dynamic Range
• Low Power Consumption, <1.25mW
• 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 PS320/PS321/PS322 are improved high-precision, medium volt-
age analog switches designed to operate with +3V to +8V power
supplies. The PS320 is a dual, single-pole single-throw (SPST),
normally open (NO) switch. The PS321 has the same pinout as the
PS320 but it has two normally closed (NC) switches. The PS322 has
one normally open (NO) and one normally closed (NC) switch per
package. When on, each switch conducts current equally well in
either direction. In the off state, each switch blocks voltages up to
the power-supply rails.
With ±5V power supplies, the PS320/PS321/PS322 guarantee
<35ΩON-resistance. ON-resistance matching between channels is
within 2Ω. ON-resistance flatness is less than 4Ωover the specified
range. All three devices guarantee low leakage currents (<100pA
@25°C, <10nA @+85°C) and fast switching speeds (tON
<150ns). Break-before-make switching action protects against
momentary crosstalk (PS322).
For single-supply operation the PS323/PS324/PS325 are recom-
mended.
Functional Diagrams, Pin Configurations, and Truth Tables
PS320
PS321
NO1 1
COM1 2
IN2 3
V- 4
8 V+
7 IN1
6 COM2
5 NO2
NC1 1
COM1 2
IN2 3
V- 4
8 V+
7 IN1
6 COM2
5 NC2
Top View
Top View
Switches shown for logic “0” input
PS320
Logic Switch
0 OFF
1 ON
PS321
Logic Switch
0 ON
1 OFF
N01 1
COM1 2
IN2 3
V- 4
PS322
8 V+
7 IN1
6 COM2
5 NC2
Top View
Logic
0
1
PS322
Switch1 Switch2
OFF ON
ON OFF
1 PS8183D 01/11/01
1 page  
PS320/PS321/PS322
1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122P3344r5566e77c88i99s00i11o2211n2233, 44D5566u7788a9900l11-22S33u4455p6677p8899ly001122A3344n5566a77l88o9900g1122S1122w3344i55t66c77h8899e0011s22
Test Circuits/Timing Diagrams (continued)
+5V
10nF
0dBm
Analyzer
RL
COM
V+
COM
NC
or NO
V-
IN
10nF
-5V
VIN
Figure 5. Off Isolation
Signal
Generator 0dBm
+5V
10nF
V+
COM1
N01
VIN IN1
IN2
Analyzer
COM
N02
RL 50 Ω
COM2
10nF
-5V
Figure 6. Crosstalk
50Ω
VIN
NC
Capacitance
Meter
f = 1kHz
+5V
10nF
V+
COM
NC
or NO
IN VIN
Capacitance
Meter
f = 1kHz
+5V
10nF
V+
COM
NC
or NO
IN VIN
10nF
-5V
Figure 7. Channel-Off Capacitance
-5V
GND
Figure 8. Channel-On Capacitance
Ordering Information
Part Temp. Range
PS320CPA
PS320CSA
0ºC to +70ºC
PS320CUAX
PS320EPA
PS320ESA
–40ºC to +85ºC
PS321CPA
PS321CSA
0ºC to +70ºC
PS321CUAX
Package
8 Plastic DIP
8 Narrow SO
8 MSOP
8 Plastic DIP
8 Narrow SO
8 Plastic DIP
8 Narrow SO
8 MSOP
Part
PS321EPA
PS321ESA
PS322CPA
PS322CSA
PS322CUAX
PS322EPA
PS322ESA
Temp. Range
–40ºC to +85ºC
0ºC to +70ºC
–40ºC to +85ºC
Package
8 Plastic DIP
8 Narrow SO
8 Plastic DIP
8 Narrow SO
8 MSOP
8 Plastic DIP
8 Narrow SO
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
5 PS8183D 01/11/01
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PS320.PDF ] | |
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