Datasheet > BGU8004

BGU8004

更新时间： 2024-02-15 06:53:59

品牌	Logo	应用领域
恩智浦 - NXP		电信电信集成电路
页数	文件大小	规格书
18页	358K
描述
SPECIALTY TELECOM CIRCUIT, PBGA6, 0.65 X 0.44 MM, 0.29 MM HEIGHT, WLCSP-6

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BGU8004 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	CSP	包装说明：	0.65 X 0.44 MM, 0.29 MM HEIGHT, WLCSP-6
针数：	6	Reach Compliance Code：	compliant
风险等级：	5.83	Base Number Matches：	1

BGU8004 数据手册

AN11369

NXP Semiconductors

BGU8004 GNSS LNA EVB

4. Bill of materials

Table 1.

BOM of the BGU8004 GNSS LNA evaluation board

Designator Description

Footprint

Value

Supplier Name/type

Comment

Marking

code: see

datasheet

BGU8004

0.65 x 0.44 /

0.20mm

NXP

Wafer Level Chip

Scale Package

(WLCSP6)

PCB

20x35mm

0402

BGU8004 GNSS LNA EV Kit

Murata GRM1555

Capacitor

Inductor

1nF

6.8nH

Decoupling

Murata LQW15

Input matching

RF input/ RF output

X1, X2

SMA RD

connector

Johnson, End launch SMA

142-0701-841

DC header

Molex, PCB header, Right Angle, 1 Bias connector

row, 3 way 90121-0763

JUMPER

Stage

Molex, PCB header, Vertical, 1 row, Connect Ven to Vcc

3 way 90120-0763

or separate Ven

voltage

JU1

JUMPER

4.1 BGU8004

By dynamically suppressing strong cellular and WLAN transmit signals, an industry first,

these LNAs offer the best reception of weak GPS signals. Linearity improves with a 10

dB better IP3 under -40 to -20 dBm jamming conditions, while NF remains below 1 dB.

Requiring only two external components, they save up to 50% in PCB size and 10% in

component cost, offering the smallest footprint in the market.

The BGU8004 is a Low Noise Amplifier (LNA) for GNSS receiver applications, available

in a small plastic 6-pin extremely thin leadless package. The BGU8004 requires one

external matching inductor and one external decoupling capacitor. The BGU8004 adapts

itself to the changing environment resulting from co-habitation of different radio systems

in modern cellular handsets. It has been designed for low power consumption and

optimal performance when jamming signals from co-existing cellular transmitters are

present. At low jamming power levels it delivers 17.0 dB gain at a noise figure of 0.65 dB.

During high jamming power levels, resulting for example from a cellular transmit burst, it

temporarily increases its bias current to improve sensitivity.

4.2 Series inductor

The evaluation board is supplied with Murata LQW15 series inductor of 6.8 nH. This is a

wire wound type of inductor with high quality factor (Q) and low series resistance (Rs).

This type of inductor is recommended in order to achieve the best noise performance.

High Q inductors from other suppliers can be used. If it is decided to use other low cost

inductors with lower Q and higher Rs the noise performance will degrade.

AN11369

All information provided in this document is subject to legal disclaimers.

Application note

Rev. 1 — 10 October 2013

7 of 18

1...4 5 678 9 10...18

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