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参数资料
| 型号： | PS397AEPI |
| 厂商： | PERICOM SEMICONDUCTOR CORP |
| 元件分类： | 多路复用及模拟开关 |
| 英文描述： | 8-CHANNEL, DIFFERENTIAL MULTIPLEXER, PDIP28 |
| 封装： | PLASTIC, DIP-28 |
| 文件页数： | 5/11页 |
| 文件大小： | 461K |
| 代理商： | PS397AEPI |
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02/16/01
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PS396A/PS397A
Low ON-Resistance, 16-Channel/
Dual 8-Channel,Analog Multiplexers
ADVANCE INFORMATION
Note1:
Signals on any terminal exceeding V+ or V are clamped by
internal diodes. Limit forward current to maximum current rating.
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.
AbsoluteMaximumRatings
Voltages Referenced to GND
V+ ....................................................................0.3Vto+17V
V ....................................................................+0.3Vto17V
V+toV ..........................................................0.3Vto+17V
Voltage into any terminal(1) ................... (V2V)to(V++2V)
........................................ or 30mA, whichever occurs first
Current into any terminal ...........................................±30mA
Peak current into any terminal ................................... ±50mA
Continuous power Dissipation (TA = +70°C)
PlasticDIP(derate14.29mW/°Cabove+70°C) ... 1143mW
Wide SO (derate 12.50mW/°C above +70°C) ..... 1000mW
SSOP(derate9.52mW/°Cabove+70°C) ................ 762mW
Operating Temperature Ranges
PS39_ACI ..................................................... 0°Cto+70°C
PS39E_AEI ............................................... 40°Cto+85°C
Storage Temperature Range .......................65°Cto+150°C
Lead Temperature (soldering, 10sec) .........................+300°C
Figure1.OvervoltageProtectionusingBlockingDiodes
ApplicationsInformation
OperationwithSupplyVoltagesOtherthan±5V
Using supply voltages less than ±5V reduces the analog signal
range.ThePS396A/PS397Amultiplexers(muxes)operatewith±3V
to±8Vbipolarsuppliesorwitha+3Vto+15Vsinglesupply.Connect
V to GND when operating with a single supply. Both devices can
also operate with unbalanced supplies, such as +10V and 5V. The
Typical Operating Characteristics graphs show typical on-resis-
tance with ±3V, ±5V, +3V, and +5V supplies. (Switching times
increase by a factor of two or more for operation at 5V or below.)
These muxes operate with a single supply as low as 1V, although on
resistanceandswitchingtimesbecomeextremelyhigh.Performance
is not guaranteed below 2.7V. This is useful information only
because it assures proper switch state while power supplies ramp up
or down slowly. Overvoltage Protection Proper power-supply se-
quencing is recommended for all CMOS devices. Do not exceed the
absolute maximum ratings, because stresses beyond the listed rat
ings can cause permanent damage to the devices. Always sequence
V+ on first, then V-, followed by the logic inputs, NO, or COM. If
power-supply sequencing is not possible, add two small-signal
diodes(D1,D2)inserieswithsupplypinsforovervoltageprotection
(Figure 1). Adding diodes reduces the analog-signal range to one
diode drop below V+ and one diode drop above V-, but does not
affect the devices low switch resistance and low leakage character-
istics. Device operation is unchanged, and the difference between
V+ and V- should not exceed 17V. These protection diodes are not
recommended when using a single supply.
+5V
D1
V+
V–
COM
NO
*
*Internal Protection Diodes
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