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參數資料
| 型號： | SD5001N |
| 廠商： | LINEAR INTEGRATED SYSTEMS INC |
| 元件分類： | 小信號晶體管 |
| 英文描述： | HIGH SPEED DMOS FET ANALOG SWITCHES AND SWITCH ARRAYS |
| 中文描述： | 50 mA, 10 V, 4 CHANNEL, N-CHANNEL, Si, SMALL SIGNAL, MOSFET |
| 封裝： | ROHS COMPLIANT, PLASTIC, DIP-16 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 357K |
| 代理商： | SD5001N |
Linear Integrated Systems, Inc.
●
4042 Clipper Ct.
●
Fremont, CA 94538
●
Tel: 510 490-9160
●
Fax: 510 353-0261
1
High-Speed DMOS FET Analog Switches and Switch Arrays
Introduction
This Application Note describes in detail the
principle of operation of the SD210/5000 series
of high-speed analog switches and switch
arrays. It contains an explanation of the most
important switch characteristics, application
examples, test data, and other application hints.
Description
The Linear Systems SD210 and SD5000 series
are discretes and quad monolithic arrays,
respectively, of single-pole single-throw analog
switches. These switches are n-channel
enhancement-mode
silicon
transistors built using double-diffusion MOS
(DMOS) silicon gate technology. Surface-
mount versions (SST211, SD5400 Series) are
also available.
This family of devices is designed to handle a
wide variety of video, fast ATE, and telecom
analog switching applications. They are capable
of ultrafast switching speeds (t
r
= 1 ns, t
OFF
= 3
ns) and excellent transient response. Thanks to
the reduced parasitic capacitances, DMOS can
handle wideband signals with high off-isolation
and minimum crosstalk.
The SD210 series of single-channel FETs is
produced without Zener protection to reduce
leakage and in Zener protected versions to
reduce electrostatic discharge hazards. The
SD5000 series is available in 16-lead dual in-
line surface mount or sidebraze ceramic
packages. Analog signal voltage ranges up to
±10 V and frequencies up to 1 GHz can be
controlled.
field
effect
For surface-mount applications the SST211
series is offered in the TO-253 (SOT-143)
package. The SD5400 series comes in the
narrow body gull-wing SO-14 package.
Applications
Fast switching speeds, low on-state resistance,
high
channel-to-channel
capacitance, and low charge injection make
these DMOS devices especially well suited for a
variety of applications.
A few of the many possible application areas for
DMOS analog switches are as follows:
1. Video and RF switching (high speed, high off-
isolation, low crosstalk):
-Multiple video distribution networks
-Sampling scanners for RF systems
2. Audio routing (glitch- and noise-free):
-High-speed switching
-Audio switching systems using
digitized remote control
3. Data acquisition (highspeed, low charge
injection, low leakage):
-High-speed sample-and-holds
-Audio and communication A/D
converters
4. Other:
-Digital switching
-PCM distribution networks
-UHF Amplifiers
-VHF Modulators and Double-Balanced
Mixers
-High-speed inverters/drivers
-Switched capacitor filters
-Choppers
isolation,
low
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