Datasheet > 4307-02

4307-02

更新时间： 2024-09-16 03:58:27

品牌	Logo	应用领域
PSEMI		射频微波衰减器
页数	文件大小	规格书
11页	547K
描述
75 ヘ RF Digital Attenuator 5-bit, 15.5 dB, DC - 2.0 GHz

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4307-02 数据手册

Product Specification

PE4307

75 Ω RF Digital Attenuator

5-bit, 15.5 dB, DC – 2.0 GHz

Product Description

Features

The PE4307 is a high linearity, 5-bit RF Digital Step Attenuator

(DSA) covering a 15.5 dB attenuation range in 0.5 dB steps.

The device is pin compatible with the PE430x series. This 75-

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 PE4307 exhibits very low insertion loss and low power

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

footprint.

• Attenuation: 0.5 dB steps to 15.5 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

over temperature and frequency

• Very low power consumption

• Single-supply operation

The PE4307 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.

• 75 Ω impedance

• Pin compatible with PE430x series

• Packaged in a 20 Lead 4x4 mm QFN

Figure 2. Package Type

Figure 1. Functional Schematic Diagram

20 Lead 4x4 mm 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 Loss¹

Test Conditions

Frequency

Minimum

Typical

Maximum

2000

Units

MHz

DC ≤ 1.2 GHz

1.4

1.95

±(0.15 + 4% of atten setting)

Not to exceed +0.25dB

Any Bit or Bit

Combination

Attenuation Accuracy

1 dB Compression^3,4

Input IP3^1,2,4

1 MHz ≤ 1.2 GHz

DC ≤ 1.2 GHz

dBm

Two-tone inputs up to

+18 dBm

Return Loss

Zo = 75 ohms

50% control to 0.5 dB

of final value

Switching Speed

µs

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

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

3. Note Absolute Maximum in Table 3.

4. Measured in a 50 Ω system.

Document No. 70-0161-03 │ www.psemi.com

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