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Pericom Semiconductor

PS398 Datasheet Preview

PS398 Datasheet

17V Analog Multiplexers

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PS398/PS399
Precision 8-Ch, Diff. 4-Ch,
17V Analog Multiplexers
Features
ÎÎLow On-Resistance (60-ohm typ.) Minimizes Distortion and
Error Voltages
ÎÎLow Glitching Reduces Step Errors and Improves Settling
Times. Charge Injection: <5pC
ÎÎSplit-Supply Operation (+3V to +8V)
ÎÎImproved Second Sources for MAX398/MAX399
ÎÎOn-Resistance Matching Between Channels: <6Ohm
ÎÎOn-Resistance Flatness: <11-ohm
ÎÎLow Off-Channel Leakage,
INO(OFF) < 1nA @ +85oC, ICOM(ON), <2.5nA @ +85oC
ÎÎTTL/CMOS Logic Compatible
ÎÎFast Switching Speed, tTRANS <250ns
ÎÎBreak-Before-Make action eliminates momentary crosstalk
ÎÎRail-to-Rail Analog Signal Range
ÎÎLow Power Consumption, <300μW
ÎÎPackaging (Pb-free & Green):
àà 16-pin SOIC (W)
Applications
ÎÎData Acquisition Systems
ÎÎAudio Switching and Routing
ÎÎTest Equipment
ÎÎPBX, PABX
ÎÎTelecommunication Systems
ÎÎBattery-Powered Systems
Block Diagrams and Pin Configurations
Description
The PS398/PS399 are improved high precision analog multiplex-
ers. The PS398, an 8-channel single-ended mux, selects one of
eight inputs to a common output as determined by a 3-bit address
A0-A2. An EN (enable) pin when low disables all switches, use-
ful when stacking several devices. The PS399 is a 4-channel dif-
ferential multiplexer. It selects one of four differential inputs to a
common differential output as determined by a 2-bit address A0,
A1. An EN pin may be driven low to disable all switches.
These multiplexers operate with dual supplies from +3V to +8V.
Single-supply operation is possible from +3V to +15V. With
+5V power supplies, the PS398/PS399 guarantee <100-ohm on-
resistance. On-Resistance matching between channels is within
6-ohm. On-Resistance flatness is less than 11-ohm over the speci-
fied signal range.
Each switch conducts current equally well in either direction
when on. In the off state each switch blocks voltages up to the
powersupply rails.
Both devices guarantee low leakage currents (<2.5nA at +85oC)
and fast switching speeds (tTRANS <250ns). Break-before-make
switching action protects against momentary crosstalk between
channels.
PS398
A0 1
EN 2
V- 3
NO1 4
NO2 5
NO3 6
NO4 7
COM 8
Decoders/Drivers
16 A1
15 A2
14 GND
13 V+
12 NO5
11 NO6
10 NO7
9 NO8
PS399
AO 1
EN 2
V- 3
NO1A 4
NO2A 5
NO3A 6
NO4A 7
COMA 8
Decoders/Drivers
16 A1
15 GND
14 V+
13 NO1B
12 NO2B
11 NO3B
10 NO4B
9 COMB
All trademarks are property of their respective owners.
11-0001
1
www.pericom.com
03/02/11




Pericom Semiconductor

PS398 Datasheet Preview

PS398 Datasheet

17V Analog Multiplexers

No Preview Available !

PS398/PS399
Precision 8-Ch, Diff. 4-Ch,
17V Analog Multiplexers
Truth Tables
A2 A1
XX
00
00
01
01
10
10
11
11
PS398
A0 EN
X0
01
11
01
11
01
11
01
11
On Switch
None
1
2
3
4
5
6
7
8
A1 A0
XX
00
01
10
11
Logic “0”, VAL ≤ 0.8V
Logic “1”, VAH ≥ 2.4V
PS399
EN
0
1
1
1
1
On Switch
None
1
2
3
4
Absolute Maximum Ratings
Parameter
Voltages Referenced to V-
V+
GND
GND
VIN, VCOM, VNO(1)
Current (any terminal)
Peak Current, COM, NO, NC (pulsed at 1ms, 10% duty cycle)
ESD per Method 3015.7
Continuous Power Dissipation
SOIC (derate 8.7mW/ °C above +70°C)
Storage Temperature
Lead Temperature (soldering, 10s)
Min.
Max.
-0.3
-0.3
-0.3
(V-)-2
17
17
( V+) + 0.3V
(V+) +2V
30
100
>2000
650
-65 150
300
Stress beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
Note:
1. Signals on NO, COM, or logic inputs exceeding V+ or V- are clamped by internal diodes. Limit forward diode current to 30mA.
Units
V
mA
V
mW
°C
All trademarks are property of their respective owners.
11-0001
2
www.pericom.com
03/02/11


Part Number PS398
Description 17V Analog Multiplexers
Maker Pericom Semiconductor
PDF Download

PS398 Datasheet PDF






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