Datasheet > BGA3031

BGA3031

更新时间： 2024-10-28 12:55:07

品牌	Logo	应用领域
恩智浦 - NXP		放大器
页数	文件大小	规格书
19页	228K
描述
DOCSIS 3.0 upstream amplifier

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BGA3031 数据手册

BGA3031

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DOCSIS 3.0 upstream amplifier

Rev. 1 — 15 August 2013

Product data sheet

1. General description

The BGA3031 is an upstream amplifier meeting the Data Over Cable Service Interface

Specifications (DOCSIS 3.0). It is designed for cable modem, CATV set top box and VoIP

modem applications. The device operates from 5 MHz to 85 MHz. The BGA3031 provides

58 dB gain control range in 1 dB increments with high incremental accuracy. Its maximum

gain setting delivers 34 dB voltage gain and a superior linear performance. It supports

high output levels up to 67 dBmV while minimizing distortion and output noise levels.

The BGA3031 operates at 5 V supply. The gain is controlled via a 3-wire serial interface.

The current consumption can be reduced in 4 steps via the serial interface. This enables

the user to optimize between DC power efficiency and linearity. In addition the current is

automatically reduced at lower gain settings while preserving the linearity performance. In

disable mode the device draws typical 6 mA while it still can be programmed to new gain

and current settings.

The BGA3031 is housed in 20 pins 5 mm  5 mm leadless HVQFN package.

2. Features and benefits

 58 dB gain control range in 1 dB steps using a 3-wire serial interface

 5 MHz to 85 MHz frequency operating range

  0.2 dB incremental gain step accuracy

 Maximum voltage gain 34 dB

 Excellent IMD3 of 70 dBc at 64 dBmV output power

 Excellent second harmonic level of 80 dBc at 64 dBmV output power

 Excellent third harmonic level of 67 dBc at 64 dBmV output power

 Excellent noise figure of 3.5 dB at maximum gain

 5 V single supply operation

 Excellent ESD protection at all pins

 Unconditionally stable

 Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances

(RoHS)

3. Applications

 DOCSIS 3.0 cable modems

 VoIP modems

 Set-top boxes

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