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ADA4961ACPZ-R7 PDF预览

ADA4961ACPZ-R7

更新时间： 2024-01-20 09:50:10
品牌 Logo 应用领域
亚德诺 - ADI 电信电信集成电路
页数 文件大小 规格书
22页 1124K
描述
SPECIALTY TELECOM CIRCUIT

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ADA4961ACPZ-R7 技术参数

生命周期：Obsolete包装说明：HVQCCN,
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.69JESD-30 代码：S-XQCC-N24
长度：4 mm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封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE座面最大高度：0.8 mm
标称供电电压：3.3 V表面贴装：YES
电信集成电路类型：TELECOM CIRCUIT温度等级：INDUSTRIAL
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD宽度：4 mm
Base Number Matches：1

ADA4961ACPZ-R7 数据手册

 浏览型号ADA4961ACPZ-R7的Datasheet PDF文件第2页浏览型号ADA4961ACPZ-R7的Datasheet PDF文件第3页浏览型号ADA4961ACPZ-R7的Datasheet PDF文件第4页浏览型号ADA4961ACPZ-R7的Datasheet PDF文件第5页浏览型号ADA4961ACPZ-R7的Datasheet PDF文件第6页浏览型号ADA4961ACPZ-R7的Datasheet PDF文件第7页 
Low Distortion, 2.5 GHz, Differential DGA  
ADA4961  
Preliminary Technical Data  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
High speed  
−3 dB bandwidth: 2.5 GHz  
−1 dB bandwidth: 1.8 GHz  
Slew rate: 12 V/ns  
Settling time to 0.1%: TBD ns  
Overdrive recovery: TBD ns  
Digitally adjustable gain  
Voltage gain: −6 dB to +15 dB  
Power gain: −3 dB to +18 dB  
5-bit parallel or SPI bus gain control with fast attack  
IMD3/HD3 distortion  
IMD3 at 1 GHz: −90 dBc  
HD3 at 500 MHz: −82 dBc  
HD3 at 1 GHz: −80 dBc  
HD3 at 1.5 GHz: −75 dBc  
Low noise  
Noise density RTO: 6.9 nV/√Hz  
Noise figure: 5.6 dB at G = +15 dB  
Differential impedances: 100 Ω input, 50 Ω output  
Low power mode operation  
Power-down control  
Figure 1.  
In addition, for many receiver applications, antialias filter  
(AAF) designs may be simplified or not required.  
The ADA4961 has an internal differential input impedance of  
100 Ω and a differential dynamic output impedance of 50 Ω,  
eliminating the need for external termination resistors. The  
digital adjustability provides for 1 dB resolution, thus optimizing  
SNR for input levels spanning 21 dB.  
Single 3.3 V or 5 V supply operation  
Available in 24-lead, 4 mm × 4 mm LFSCP  
APPLICATIONS  
ADC driver for 12-bit to 14-bit Gs/s converters  
RF/IF gain block  
Line driver  
Instrumentation  
Satellite communications  
Data acquisition  
The ADA4961 is optimized for wideband, low distortion  
performance at frequencies up to 1.5 GHz. These attributes,  
together with its wide gain adjustment and relatively low power,  
make it the amplifier of choice for many high speed applications,  
including IF, RF, and broadband applications where dynamic  
range at very high frequencies is critical.  
Military systems  
The ADA4961 is ideally suited for driving not only ADCs, but also  
mixers, pin diode attenuators, SAW filters, and multi-element  
discrete devices. It is available in a 4 mm × 4 mm, 24-lead LFCSP  
and operates over a temperature range of −40°C to +85°C.  
GENERAL DESCRIPTION  
The ADA4961 is a high performance BiCMOS RF differential  
amplifier (DGA) optimized for driving heavy loads out to 2.0  
GHz and beyond. It typically achieves −90 dBc IMD3  
performance at 500 MHz and −85 dBc at 1.5 GHz. The device  
also exhibits very low output noise (6.8nv/√Hz). Together, these  
performance numbers result in an SFDR of 133 dB/Hz at 1.5 GHz  
and set a new benchmark for dynamic range for the power  
consumed. This RF performance now allows GHz converters to  
achieve their optimum performance with minimal limitations of  
the driver amplifier or constraints on overall power that typically  
result from GaAs amplifiers. This product can easily drive 10-bit  
to 16-bit HS converters.  
Rev. PrB  
Document Feedback  
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  
Technical Support  
©2014 Analog Devices, Inc. All rights reserved.  
www.analog.com  
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