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參數(shù)資料
| 型號： | IH401A |
| 廠商： | INTERSIL CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | QUAD Varafet Analog Switch |
| 中文描述： | QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, CDIP16 |
| 封裝： | CERDIP-16 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 40K |
| 代理商： | IH401A |
14-1
Semiconductor
April 1999
IH401A
QUAD Varafet Analog Switch
Features
r
DS(ON)
(Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
I
D(OFF)
(Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10pA
Switching Times (R
L
= 1k
)
- t
ON
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25ns
- t
OFF
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75ns
Built-In Overvoltage Protection . . . . . . . . . . . . . .
±
25V
Charge Injection Error (Typ) into 0.01
μ
F Capacitor . . 3mV
C
ISS
(Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <1pF
Can Be Used for Hybrid Construction
Description
The IH401A is made up of 4 monolithically constructed
combinations of varacitor type diode and a N-Channel JFET.
The JFET itself is very similar to the popular 2N4391, and
the driver diode is specially designed, such that its
capacitance is a strong function of the voltage across it. The
driver diode is electrically in series with the gate of the
N-Channel FET and simulates a back-to-back diode
structure. This structure is needed to prevent forward biasing
the source-to-gate or drain-to-gate junctions of the JFET
when used in switching applications.
Previous applications of JFETs required the addition of
diodes, in series with the gate, and then perhaps a gate-to-
source referral resistor or a capacitor in parallel with the
diode; therefore, at least 3 components were required to
perform the switch function. The IH401A does this same job
in one component (with a great deal better performance
characteristics).
Like a standard JFET, the practically perform a solid state
switch function translator should be added to drive the diode.
This translator takes the TTL levels and converts them to
voltages required to drive the diode/FET system (typically a
0V to -15V translation and a 3V to +15V shift). With
±
15V
power supplies, the IH401A will typically switch 22V
P-P
at
any frequency from DC to 20MHz, with less than 50
r
DS(ON)
.
Pinout
IH401A
(CERDIP)
TOP VIEW
PART
NUMBER
TEMP. RANGE
(
o
C)
PACKAGE
IH401A
-55 to 125
16 Ld CERDIP
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
S
1
D
1
DR
1
DR
2
S
2
D
2
D
4
DR
4
DR
3
S
3
D
3
S
4
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
Harris Corporation 1999
File Number
3128.2
NO REOBSOLETE PRODUCT
Call or email: centapp@harris.com
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相關(guān)代理商/技術(shù)參數(shù) |
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| IH401A WAF | 制造商:Harris Corporation 功能描述: |
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| IH4-1-LM | 制造商:Thomas & Betts 功能描述:Universal Device Boxes And Covers |
| IH4-2 | 制造商:Thomas & Betts 功能描述:Universal Recessed Box And Cover |
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