Datasheet > ADL5902

ADL5902

更新时间： 2024-01-23 12:17:00

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	2359K
描述
50 MHz to 9 GHz 65 dB TruPwr Detector

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ADL5902 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFN
包装说明：	HVQCCN, LCC16,.16SQ,25	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.58
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-30 代码：	S-PQCC-N16
JESD-609代码：	e3	长度：	4 mm
功能数量：	1	端子数量：	16
最高工作温度：	125 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	HVQCCN
封装等效代码：	LCC16,.16SQ,25	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	260
电源：	5 V	认证状态：	Not Qualified
座面最大高度：	1 mm	子类别：	Other Analog ICs
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	4.5 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
温度等级：	AUTOMOTIVE	端子面层：	MATTE TIN
端子形式：	NO LEAD	端子节距：	0.65 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	40
宽度：	4 mm	Base Number Matches：	1

ADL5902 数据手册

50 MHz to 9 GHz

65 dB TruPwr Detector

ADL5902

FUNCTIONAL BLOCK DIAGRAM

FEATURES

VPOS

POS

Accurate rms-to-dc conversion from 50 MHz to 9 GHz

Single-ended input dynamic range of 65 dB

No balun or external input matching required

Waveform and modulation independent, such as

GSM/CDMA/W-CDMA/TD-SCDMA/WiMAX/LTE

Linear-in-decibels output, scaled 53 mV/dB

Transfer function ripple: < 0.1 dB

TEMPERATURE

SENSOR

TEMP

VSET

ADL5902

INHI

DET

INLO

LINEAR-IN-dB VGA

(NEGATIVE SLOPE)

Temperature stability: < 0.3 dB

TGT

All functions temperature and supply stable

Operates from 4.5 V to 5.5 V from −40°C to +125°C

Power-down capability to 1.5 mW

G = 5

VOUT

CLPF

VREF

2.3V

BIAS AND POWER-

DOWN CONTROL

Pin-compatible with the 50 dB dynamic range AD8363

APPLICATIONS

26pF

VTGT

Power amplifier linearization/control loops

Transmitter power controls

Transmitter signal strength indication (TSSI)

RF instrumentation

TADJ/PWDN

VREF

COMM COMM

Figure 1.

GENERAL DESCRIPTION

The ADL5902 is a true rms responding power detector that has

a 65 dB measurement range when driven with a single-ended

50 Ω source. This feature makes the ADL5902 frequency

versatile by eliminating the need for a balun or any other form

of external input tuning for operation up to 9 GHz.

logarithm of the rms value of the input. In other words, the

reading is presented directly in decibels and is scaled 1.06 V per

decade, or 53 mV/dB; other slopes are easily arranged. In

controller mode, the voltage applied to VSET determines the

power level required at the input to null the deviation from the

set point. The output buffer can provide high load currents.

The ADL5902 provides a solution in a variety of high frequency

systems requiring an accurate measurement of signal power.

Requiring only a single supply of 5 V and a few capacitors, it is

easy to use and capable of being driven single-ended or with a

balun for differential input drive. The ADL5902 can operate

from 50 MHz to 9 GHz and can accept inputs from −62 dBm to

at least +3 dBm with large crest factors, such as GSM, CDMA,

W-CDMA, TD-SCDMA, WiMAX, and LTE modulated signals.

The ADL5902 has 1.5 mW power consumption when powered

down by a logic high applied to the PWDN pin. It powers up

within approximately 5 μs to its nominal operating current of

73 mA at 25°C. The ADL5902 is supplied in a 4 mm × 4 mm,

16-lead LFCSP for operation over the wide temperature range

of −40°C to +125°C.

The ADL5902 is also pin-compatible with the AD8363, 50 dB

dynamic range TruPwr™ detector. This feature allows the

designer to create one circuit layout for projects requiring

different dynamic ranges. A fully populated RoHS-compliant

evaluation board is available.

The ADL5902 can determine the true power of a high

frequency signal having a complex low frequency modulation

envelope or can be used as a simple low frequency rms

voltmeter. Used as a power measurement device, VOUT is

connected to VSET. The output is then proportional to the

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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