Datasheet > 4306-00

4306-00

更新时间： 2024-11-18 03:58:27

品牌	Logo	应用领域
PSEMI		射频衰减器
页数	文件大小	规格书
11页	454K
描述
50 RF Digital Attenuator 5-bit, 31 dB, DC - 4.0 GHz

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4306-00 数据手册

Product Specification

PE4306

50 Ω RF Digital Attenuator

5-bit, 31 dB, DC – 4.0 GHz

Product Description

Features

• Attenuation: 1 dB steps to 31 dB

• Flexible parallel and serial programming

interfaces

• Latched or direct mode

• Unique power-up state selection

• Positive CMOS control logic

• High attenuation accuracy and linearity

The PE4306 is a high linearity, 5-bit RF Digital Step Attenuator

(DSA) covering a 31 dB attenuation range in 1dB steps, and is

pin compatible with the PE430x series. This 50-ohm RF DSA

provides both parallel (latched or direct mode) and serial

CMOS control interface, operates on a single 3-volt supply and

maintains high attenuation accuracy over frequency and

temperature. It also has a unique control interface that allows

the user to select an initial attenuation state at power-up. The

PE4306 exhibits very low insertion loss and low power

consumption. This functionality is delivered in a 4x4 mm QFN

footprint.

over temperature and frequency

• Very low power consumption

• Single-supply operation

• 50 Ω impedance

• Pin compatible with PE430x series

• Packaged in a 20 Lead 4x4 mm QFN

The PE4306 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 Schematic Diagram

Figure 2. Package Type

4x4 mm 20-Lead QFN

Switched Attenuator Array

RF Input

RF Output

Parallel Control

Serial Control

Control Logic Interface

Power-Up Control

Table 1. Electrical Specifications @ +25°C, V_DD= 3.0 V

Parameter

Operation Frequency

Insertion Loss²

Test Conditions

Frequency

Minimum

Typical

Maximum

4000

Units

MHz

DC - 2.2 GHz

1.5

2.25

Any Bit or Bit

Combination

DC ≤ 1.0 GHz

1.0 < 2.2 GHz

±(0.3 + 3% of atten setting)

±(0.3 + 5% of atten setting)

Attenuation Accuracy

1 dB Compression³

Input IP3^{1, 2}

1 MHz - 2.2 GHz

DC - 2.2 GHz

dBm

Two-tone inputs

+18 dBm

Return Loss

50% control to 0.5 dB

of final value

Switching Speed

µs

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

2. See Max input rating in Table 3 & Figures on Pages 2 to 4 for data across frequency.

3. Note Absolute Maximum in Table 3.

Document No. 70-0160-04 │ www.psemi.com

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