DG538A

更新时间： 2024-11-07 22:40:35

品牌	Logo	应用领域
威世 - VISHAY		复用器
页数	文件大小	规格书
16页	143K
描述
4-/8-Channel Wideband Video Multiplexers

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DG538A 数据手册

DG534A/538A

Vishay Siliconix

4-/8-Channel Wideband Video Multiplexers

FEATURES

BENEFITS

APPLICATIONS

D Wide Bandwidth: 500 MHz

D Improved System Bandwidth

D Improved Channel Off-Isolation

D Wideband Signal Routing and

Multiplexing

D Very Low Crosstalk: –97 dB @ 5 MHz

D Video Switchers

D ATE Systems

D On-Board TTL-Compatible Latches with D Simplified Logic Interfacing

Readback

D High-Speed Readback

D Optional Negative Supply

D Infrared Imaging

D Allows Bipolar Signal Swings

D Reduced Insertion Loss

D Ultrasound Imaging

D Low r_DS(on): 45

ꢀ

D Single-Ended or Differential Operation

D Latch-up Proof

D Allows Differential Signal Switching

DESCRIPTION

The DG534A is a digitally selectable 4-channel or dual

2-channel multiplexer. The DG538A is an 8-channel or dual

4-channel multiplexer. On-chip TTL-compatible address

decoding logic and latches with data readback are included to

simplify the interface to a microprocessor data bus. The low

on-resistance and low capacitance of the these devices make

them ideal for wideband data multiplexing and video and audio

signal routing in channel selectors and crosspoint arrays. An

optional negative supply pin allows the handling of bipolar

signals without dc biasing.

The DG534A/DG538A are built on a D/CMOS process that

combines n-channel DMOS switching FETs with low-power

CMOS control logic, drivers and latches. The low-capacitance

DMOS FETs are connected in a “T” configuration to achieve

extremely high levels of off isolation. Crosstalk is reduced to

–97 dB at 5 MHz by including a ground line between adjacent

signal paths. An epitaxial layer prevents latch-up.

For more information refer to Vishay Siliconix applications

note AN502.

FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION

DG534ADJ

Dual-In-Line

DG534ADN

PLCC

GND

20 19

V+

V–

GND

4/2

Latch/Drivers

I/O

Latches/Drivers

Top View

10 11 12 13

Top View

Document Number: 70069

S-05734—Rev. G, 29-Jan-02

www.vishay.com

12 3 4 5 6 7...16

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DG538AAP/883	TEMIC	获取价格	Video Multiplexer, 1 Func, 8 Channel, NMOS, PDIP28,
DG538AAP/883	VISHAY	获取价格	4-/8-Channel Wideband Video Multiplexers
DG538ADJ	VISHAY	获取价格	4-/8-Channel Wideband Video Multiplexers
DG538ADJ	TEMIC	获取价格	Video Multiplexer, 1 Func, 8 Channel, NMOS, PDIP28,
DG538ADJ-E3	VISHAY	获取价格	Analog Multiplexer Single 8:1/Dual 4:1 28-Pin PDIP
DG538ADN	VISHAY	获取价格	4-/8-Channel Wideband Video Multiplexers
DG538ADN	TEMIC	获取价格	Video Multiplexer, 1 Func, 8 Channel, NMOS, PQCC28,
DG538ADN-E3	VISHAY	获取价格	Analog Multiplexer Single 8:1/Dual 4:1 28-Pin PLCC
DG538ADN-T1	VISHAY	获取价格	ANLG MUX SGL 8:1 15V/18V 28PLCC - Tape and Reel
DG538ADN-T1	TEMIC	获取价格	Video Multiplexer, 1 Func, 8 Channel, NMOS, PQCC28,