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PDF PS301 Data sheet ( Hoja de datos )
| Número de pieza | PS301 | |
| Descripción | Precision / Single-Supply SPST Analog Switches | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PS301 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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PS301/PS302/PS3031122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Precision, Single-Supply
SPST Analog Switches
Features
• Low On-Resistance (33Ω 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 MAX4501/MAX4502
• On-Resistance Matching Between Channels, <2Ω
• On-Resistance Flatness, <6Ω max
• Low Off-Channel Leakage, <5nA @ +85oC
• TTL/CMOS Logic Compatible
• Fast Switching Speed, tON < 150ns
• Guaranteed Break-Before-Make action (PS303 only)
eliminates momentary crosstalk
• Rail-to-Rail Analog Signal Dynamic Range
• Low Power Consumption, <5µW
• MSOP Package minimizes board area
Applications
• Audio, Video Switching and Routing
• Portable Instruments
• Data Acquisition Systems
• Sample-and-Holds
• Telecommunication Systems
• Battery-Powered Systems
Description
The PS301/PS302/PS303 are improved high precision, medium
voltage analog switches designed to operate with single power
supplies. The PS301 is a single-pole single-throw (SPST), nor-
mally open (NO) switch. The PS302 has the same pinout as the
PS301 but is a normally closed (NC) switch. The PS303 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, the PS301/PS302/PS303 guarantee
<60Ω ON-resistance. ON-resistance matching between channels
is within 2Ω. ON-resistance flatness is less than 6Ω over the
specified range. All three devices guarantee low leakage currents
(<100pA @ 25oC, <10nA @ +85oC) and fast switching speeds
(tON < 150ns). Break-before-make switching action protects
against momentary crosstalk (PS303).
For single-supply operation below 5V, the PI5A317/318/319
are also recommended.
Functional Diagrams, Pin Configurations, and Truth Tables
Top Views
COM 1
N.C. 2
N.C. 3
V+ 4
PS301
8 NO
7 GND
6 IN
5 N.C.
COM 1
N.C. 2
N.C. 3
V+ 4
PS302
8 NC
7 GND
6 IN
5 N.C.
NO 1
COM 2
NC 3
GND 4
PS303
8 V+
7 IN
6 N.C.
5 N.C.
PS301
Logic
Switch
0 OFF
1 ON
Switches shown for logic “0” input
PS302
Logic Switch
0 ON
1 OFF
Logic
0
1
PS303
NC
ON
OFF
NO
OFF
ON
For free samples and the latest literature: www.pericom.com, or phone 1-800-435-2336
1
PS8187A 06/29/99
1 page  
PS301/PS302/PS303
11223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122P3344r5566e77c88i99s0011io2233n4455,66S7788i99n0011g22l11e2233S4455u6677p8899p00l11y2233S4455P6677S8899T001122A3344n5566a77l88o9900g1122S1122w3344i55t66c77h8899e00s1122
Test Circuits/Timing Diagrams
VCOM = 3V
Logic
Input
COM
+5V
V+
NO
or NC
IN
GND
RL
1kΩ
VOUT
CL
35pF
Logic +3V
Input
0V
Switch
Output
0V
50%
VOUT
90%
tON
tr <20ns
tf <20ns
tOFF
90%
CL INCLUDES FIXTURE AND STRAY CAPACITANCE
( )VOUT = VCOM
RL
RL + RON
LOGIC INPUT WAVEFORMS INVERTED FOR
SWITCHES THAT HAVE OPPOSITE LOGIC
Figure 2. Switching Time
+3V
Logic
Input
V+
V+
NC NO1
NO
IN
GND
V OUT
RL CL
Ω300Ω 35pF
CLINCLUDES FIXTURE AND STRAY CAPACITANCE.
Logic +3V
Input 0V 50%
Switch
Output 90%
VOUT
0V
tD
Figure 3. Break-Before-Make Interval (PS303 only)
90%
VGEN
RGEN
COM
+5V
V+
NO or
NC
Logic
Input
IN
GND
CL
1nF
VOUT
VOUT
IN OFF
ON
∆VOUT
OFF
OFF
IN
ON
OFF
Q = (∆VOUT)(CL)
IN POLARITY DEPENDS ON NO OR NC SWITCH FUNCTION
Figure 4. Charge Injection
5 PS8187A 06/29/99
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet PS301.PDF ] | |
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