Datasheet > AD8340

AD8340

更新时间： 2024-01-16 00:35:40

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	602K
描述
700 MHz to 1000 MHz RF Vector Modulator

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AD8340 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, LCC24,.16SQ,20	针数：	24
Reach Compliance Code：	compliant	ECCN代码：	5A991.B
HTS代码：	8542.39.00.01	风险等级：	5.14
JESD-30 代码：	S-XQCC-N24	JESD-609代码：	e3
长度：	4 mm	湿度敏感等级：	3
功能数量：	1	端子数量：	24
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装等效代码：	LCC24,.16SQ,20	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 Telecom ICs
最大压摆率：	0.15 mA	标称供电电压：	5 V
表面贴装：	YES	技术：	BIPOLAR
电信集成电路类型：	RF AND BASEBAND CIRCUIT	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn)	端子形式：	NO LEAD
端子节距：	0.5 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

AD8340 数据手册

700 MHz to 1000 MHz

RF Vector Modulator

AD8340

FUNCTIONAL BLOCK DIAGRAM

FEATURES

VPRF

QBBP OBBM

VPS2

Cartesian amplitude and phase modulation

700 MHz to 1.0 GHz frequency range

Continuous magnitude control of −2 dB to −32 dB

Continuous phase control of 0° to 360°

Output third-order intercept 24 dBm

Output 1 dB compression point 11 dBm

Output noise floor −149 dBm/Hz @ full gain

Adjustable modulation bandwidth up to 230 MHz

Fast output power disable

90°

RFOP

RFOM

RFIP

RFIM

0°

CMOP

IBBP IBBM

DSOP

Figure 1.

4.75 V to 5.25 V single-supply voltage

APPLICATIONS

RF PA linearization/RF predistortion

Amplitude and phase modulation

Variable attenuators and phase shifters

CDMA2000, GSM/EDGE linear power amplifiers

Smart antennas

GENERAL DESCRIPTION

The AD8340 vector modulator performs arbitrary amplitude

and phase modulation of an RF signal. Since the RF signal path

is linear, the original modulation is preserved. This part can be

used as a general-purpose RF modulator, a variable attenu-

ator/phase shifter, or a remodulator. The amplitude can be

controlled from a maximum of −2 dB to less than −32 dB, and

the phase can be shifted continuously over the entire 360° range.

For maximum gain, the AD8340 delivers an OP1dB of 11 dBm,

an OIP3 of 24 dBm, and an output noise floor of −149 dBm/Hz,

independent of phase. It operates over a frequency range of

700 MHz to 1.0 GHz.

Both the RF inputs and outputs can be used differentially or

single-ended and must be ac-coupled. The RF input and output

impedances are nominally ±0 Ω over the operating frequency

range. The DSOP pin allows the output stage to be disabled

quickly in order to protect subsequent stages from overdrive.

The AD8340 operates off supply voltages from 4.7± ꢀ to ±.2± ꢀ

while consuming approximately 130 mA.

The AD8340 is fabricated on Analog Devices’ proprietary, high

performance 2± GHz SOI complementary bipolar IC process. It

is available in a 24-lead Pb-free LFCSP package and operates

over a −40°C to +8±°C temperature range. Evaluation boards

are available.

The baseband inputs in Cartesian I and Q format control the

amplitude and phase modulation imposed on the RF input

signal. Both I and Q inputs are dc-coupled with a ±±00 mꢀ

differential full-scale range. The maximum modulation band-

width is 230 MHz, which can be reduced by adding external

capacitors to limit the noise bandwidth on the control lines.

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

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

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