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ADA4950-2YCPZ-RL PDF预览

ADA4950-2YCPZ-RL

更新时间: 2024-01-11 21:12:51
品牌 Logo 应用领域
亚德诺 - ADI 线路驱动器或接收器驱动程序和接口接口集成电路PC
页数 文件大小 规格书
28页 678K
描述
Low Power, Selectable Gain Differential ADC Driver, G = 1, 2, 3

ADA4950-2YCPZ-RL 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,针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.42
Samacsys Confidence:Samacsys Status:Released
Schematic Symbol:https://componentsearchengine.com/symbol.php?partID=340498PCB Footprint:https://componentsearchengine.com/footprint.php?partID=340498
Samacsys PartID:340498Samacsys Image:https://componentsearchengine.com/Images/9/ADA4950-2YCPZ-RL.jpg
Samacsys Thumbnail Image:https://componentsearchengine.com/Thumbnails/1/ADA4950-2YCPZ-RL.jpgSamacsys Pin Count:25
Samacsys Part Category:Integrated CircuitSamacsys Package Category:Other
Samacsys Footprint Name:QFN50P400X400X100-25NSamacsys Released Date:2017-01-11 11:21:59
Is Samacsys:N差分输出:YES
驱动器位数:2输入特性:DIFFERENTIAL
接口集成电路类型:LINE DRIVER接口标准:GENERAL PURPOSE
JESD-30 代码:S-XQCC-N24JESD-609代码:e3
长度:4 mm湿度敏感等级:3
功能数量:2端子数量:24
最高工作温度:105 °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
峰值回流温度(摄氏度):260认证状态:Not Qualified
最大接收延迟:座面最大高度:1 mm
最大供电电压:11 V最小供电电压:3 V
标称供电电压:5 V表面贴装:YES
技术:BIPOLAR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:30宽度:4 mm
Base Number Matches:1

ADA4950-2YCPZ-RL 数据手册

 浏览型号ADA4950-2YCPZ-RL的Datasheet PDF文件第2页浏览型号ADA4950-2YCPZ-RL的Datasheet PDF文件第3页浏览型号ADA4950-2YCPZ-RL的Datasheet PDF文件第4页浏览型号ADA4950-2YCPZ-RL的Datasheet PDF文件第5页浏览型号ADA4950-2YCPZ-RL的Datasheet PDF文件第6页浏览型号ADA4950-2YCPZ-RL的Datasheet PDF文件第7页 
Low Power, Selectable Gain  
Differential ADC Driver, G = 1, 2, 3  
ADA4950-1/ADA4950-2  
FUNCTIONAL BLOCK DIAGRAMS  
FEATURES  
High performance at low power  
High speed  
−3 dB bandwidth of 750 MHz, G = 1  
0.1 dB flatness to 210 MHz, VOUT, dm = 2 V p-p, RL, dm = 200 Ω  
Slew rate: 2900 V/μs, 25% to 75%  
Fast 0.1% settling time of 9 ns  
ADA4950-1  
12 PD  
+INB  
+INA  
–INA  
+INB  
1
2
3
4
11 –OUT  
10 +OUT  
9
V
OCM  
Low power: 9.5 mA per amplifier  
Low harmonic distortion  
108 dB SFDR @ 10 MHz  
98 dB SFDR @ 20 MHz  
Figure 1. ADA4950-1  
Low output voltage noise: 9.2 nV/√Hz, G = 1, RTO  
0.2 mV typical input offset voltage  
Selectable differential gains of 1, 2, and 3  
Differential-to-differential or single-ended-to-differential  
operation  
Adjustable output common-mode voltage  
Input common-mode range shifted down by 1 VBE  
Wide supply range: +3 V to 5 V  
–INA1  
–INB1  
1
18 +OUT1  
17 V  
2
3
4
5
6
OCM1  
16 –V  
+V  
S2  
S2  
S1  
ADA4950-2  
–V  
15  
14  
+V  
S1  
+INB2  
+INA2  
PD2  
13 –OUT2  
Available in 16-lead and 24-lead LFCSP packages  
APPLICATIONS  
ADC drivers  
Figure 2. ADA4950-2  
Single-ended-to-differential converters  
IF and baseband gain blocks  
Differential buffers  
–40  
–50  
V
= 2V p-p  
OUT, dm  
Line drivers  
–60  
HD2, ±5V  
HD3, ±5V  
HD2, ±2.5V  
HD3, ±2.5V  
GENERAL DESCRIPTION  
–70  
The ADA4950-1/ADA4950-2 are gain-selectable versions of the  
ADA4932-1/ADA4932-2 with on-chip feedback and gain resistors.  
They are ideal choices for driving high performance ADCs as single-  
ended-to-differential or differential-to-differential amplifiers. The  
output common-mode voltage is user adjustable by means of an  
internal common-mode feedback loop, allowing the ADA4950-1/  
ADA4950-2 output to match the input of the ADC. The internal  
feedback loop also provides exceptional output balance as well  
as suppression of even-order harmonic distortion products.  
–80  
–90  
–100  
–110  
–120  
–130  
–140  
0.1  
1
10  
FREQUENCY (MHz)  
100  
Differential gain configurations of 1, 2, and 3 are easily realized  
with internal feedback networks that are connected externally  
to set the closed-loop gain of the amplifier.  
Figure 3. Harmonic Distortion vs. Frequency at Various Supplies  
The ADA4950-x is available in a Pb-free, 3 mm × 3 mm, 16-lead  
LFCSP (ADA4950-1, single) or a Pb-free, 4 mm × 4 mm, 24-lead  
LFCSP (ADA4950-2, dual). The pinout has been optimized to  
facilitate PCB layout and minimize distortion. The ADA4950-1/  
ADA4950-2 are specified to operate over the −40°C to +105°C  
temperature range; both operate on supplies from +3 V to 5 V.  
The ADA4950-1/ADA4950-2 are fabricated using the Analog  
Devices, Inc., proprietary silicon-germanium (SiGe) complementary  
bipolar process, enabling them to achieve low levels of distortion and  
noise at low power consumption. The low offset and excellent  
dynamic performance of the ADA4950-x make it well suited for  
a wide variety of data acquisition and signal processing applications.  
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  
©2009 Analog Devices, Inc. All rights reserved.  
 

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