Datasheet > 4271-00

4271-00

更新时间： 2024-11-14 03:00:43

品牌	Logo	应用领域
PSEMI		开关有线电视
页数	文件大小	规格书
8页	300K
描述
SPST CATV UltraCMOS⑩ Switch DC - 3000 MHz

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Product Specification

PE4271

SPST CATV UltraCMOS™ Switch

DC - 3000 MHz

Product Description

The PE4271 is a is a high-isolation Switch designed for CATV

applications, covering a broad frequency range from near DC

up to 3000 MHz. This single-supply SPST switch offers a

single-pin CMOS control interface with industry leading CTB

performance. It also provides low insertion loss, high isolation

and extremely low bias requirements while operating on a

single 3-volt supply. In a typical CATV application, the PE4271

provides for a cost effective and manufacturable solution vs.

mechanical relays.

Features

• Integrated 0.25 watt terminations

• CTB performance of 90 dBc

• High isolation: 85 dB at 5 MHz, 60 dB

at 1000 MHz

• Low insertion loss: 0.5 dB at 5 MHz,

0.70 dB at 1000 MHz

• High input IP2: >80 dBm

• CMOS/TTL single-pin control

• Single +3-volt supply operation

• Extremely low bias: 8 µA @ 3 V

• Available in a 6-lead DFN package

The PE4271 is manufactured on Peregrine’s UltraCMOS™

process, a patented variation of silicon-on-insulator (SOI)

technology on a sapphire substrate, offering the performance

of GaAs with the economy and integration of conventional

CMOS.

Figure 1. Functional Diagram

Figure 2. Package Type

6-lead DFN

RF1

RF2

CMOS

Control

Driver

CTRL

Table 1. Electrical Specifications @ +25 °C (Z_S= Z_L= 75 ꢀ)

Parameter

Condition

Minimum

Typical

Maximum

Units

Operating Frequency¹

3000

MHz

DC – 50 MHz

0.50

0.70

0.65

0.85

Insertion Loss

Isolation

1000 MHz

DC – 50 MHz

1000 MHz

DC - 1000 MHz

V_CNTL= 3.0V

Return Loss

Input 1 dB Compression^2,4

CTB / CSO

1000 MHz

dBm

dBc

77 & 110 channels;

PO = 44 dBmV

-90

Input IP2²

Input IP3²

Video Feedthrough³

1000 MHz

dBm

mV_pp

µS

Switching Time

Notes: 1. Device linearity will begin to degrade below 1 MHz.

2. Measured in a 50 Ω system.

3. Measured with a 1 ns risetime, 0/3 V pulse and 500 MHz bandwidth.

4. Note Absolute Maximum ratings in Table 3.

Document No. 70-0149-03 │ www.psemi.com

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