Datasheet > BCT4121

BCT4121

更新时间： 2024-10-14 12:29:47

品牌	Logo	应用领域
其他 - ETC		开关
页数	文件大小	规格书
3页	342K
描述
NegativeNegative Negative NegativeNegative-Voltage,1.0Ω Voltage,100MHz Dual SPST Analog Switch.

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BCT4121 数据手册

December, 2013, REV1.1

BCT4121N

Negative-Voltage,1.0Ω,100MHz Dual SPST Analog Switch

Suitable for Class-D Amp switch

Digital Still Cameras

PDAs and Palmtop Devices

MP3/MP4 Players

General Description

The BCT4121 is a double-pole single-throw (DPST)

analog switch with negative signal audio analog signals.

The two channels have ultra Low on resistance (1.0 Ω)

with good signal integrity. Each switch is bidirectional

Features

and offers little or no attenuation of the signals at the

outputs. Industry-leading advantages include

♦ VCC Operating Range: 1.65V to 5.0V

♦ Low ON Resistance: 1.0-ohms at 5.0V

♦ Rail-to-Rail Signal Range

propagation delay of less than 250ps, resulting from its

low channel resistance and low I/O capacitance. The

high channel-to-channel crosstalk rejection results in

minimal noise interference. The device is special design

for isolation of output of class-D PA from Baseband IC.

♦ ON-Resistance Matching: 0.2 Ω

♦ ON-Resistance Flatness: 0.1Ω

♦ High Off Isolation: 57dB at 10MHz

♦ 54dB (10MHz) Crosstalk Rejection

♦ Break-Before-Make Switching

♦ Analog Signal Range: -2.0V - VCC

♦ Space-Saving, 8-Pin DFN 2mm X 2mm

Applications

Cell Phones

Pin Configurations

Logic Diagram

(BCT4121 Top View)

DFN2x2 - 8L Package

Pin Definitions

Name

GND

Vcc

Description

Ground

Power Supply

3,4

5,6

A1,A2

B1,B2

CTRL

Analogue Input / Output

Logic Control Input.

No Connection.

Ordering Information

Ordering Code

Package Description

8-Pin DFN 2mm X 2mm

Temp Range

Top Marking

BCT4121NETA-TR

–40°C to +85°C

4121

www.broadchip.com

12 3

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