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ADA4927-1YCPZ-RL PDF预览

ADA4927-1YCPZ-RL

更新时间: 2024-02-06 18:10:43
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
页数 文件大小 规格书
24页 840K
描述
Ultralow Distortion Current Feedback Differential ADC Driver

ADA4927-1YCPZ-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:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.41
Is Samacsys:N差分输出:YES
驱动器位数:1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-N16JESD-609代码:e3
长度:3 mm湿度敏感等级:3
功能数量:1端子数量:16
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:4.5 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:40
宽度:3 mmBase Number Matches:1

ADA4927-1YCPZ-RL 数据手册

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Ultralow Distortion  
Current Feedback Differential ADC Driver  
ADA4927-1/ADA4927-2  
FUNCTIONAL BLOCK DIAGRAMS  
FEATURES  
Extremely low harmonic distortion  
−105 dBc HD2 @ 10 MHz  
−91 dBc HD2 @ 70 MHz  
−87 dBc HD2 @ 100 MHz  
−103 dBc HD3 @ 10 MHz  
−98 dBc HD3 @ 70 MHz  
ADA4927-1  
12 PD  
–FB  
+IN  
–IN  
1
2
3
4
11 –OUT  
10 +OUT  
+FB  
9 V  
OCM  
−89 dBc HD3 @ 100 MHz  
Better distortion at higher gains than VF amplifiers  
Low input voltage noise: 1.4 nV/√Hz  
High speed  
Figure 1.  
−3 dB bandwidth of 2.3 GHz  
0.1 dB gain flatness: 150 MHz  
Slew rate: 5000 V/μs, 25% to 75%  
Fast 0.1% settling time: 10 ns  
Low input offset voltage: 0.3 mV typical  
Externally adjustable gain  
Stability and bandwidth controlled by feedback resistor  
Differential-to-differential or single-ended-to-differential  
operation  
–IN1  
+FB1  
1
18 +OUT1  
17 V  
2
3
4
5
6
OCM1  
16 –V  
+V  
S2  
S2  
S1  
ADA4927-2  
–V  
15  
14  
+V  
S1  
–FB2  
+IN2  
PD2  
13 –OUT2  
Adjustable output common-mode voltage  
Wide supply operation: +5 V to 5 V  
Figure 2.  
APPLICATIONS  
–40  
–50  
–60  
–70  
–80  
ADC drivers  
V
,
= 2V p-p  
OUT dm  
Single-ended-to-differential converters  
IF and baseband gain blocks  
Differential buffers  
Differential line drivers  
GENERAL DESCRIPTION  
–90  
–100  
–110  
–120  
–130  
The ADA4927 is a low noise, ultralow distortion, high speed,  
current feedback differential amplifier that is an ideal choice for  
driving high performance ADCs with resolutions up to 16 bits  
from dc to 100 MHz. The output common-mode level can easily be  
matched to the required ADC input common-mode levels. The  
internal common-mode feedback loop provides exceptional output  
balance and suppression of even-order distortion products.  
G = 1  
G = 10  
G = 20  
1
10  
100  
1k  
FREQUENCY (MHz)  
Figure 3. Spurious-Free Dynamic Range vs. Frequency at Various Gains  
Differential gain configurations are easily realized using an  
external feedback network comprising four resistors. The  
current feedback architecture provides loop gain that is nearly  
independent of closed-loop gain, achieving wide bandwidth,  
low distortion, and low noise at higher gains and lower power  
consumption than comparable voltage feedback amplifiers.  
The low dc offset and excellent dynamic performance of the  
ADA4927 make it well suited for a wide variety of data acquisition  
and signal processing applications.  
The ADA4927-1 is available in a Pb-free, 3 mm × 3 mm 16-lead  
LFCSP, and the ADA4927-2 is available in a Pb-free, 4 mm × 4 mm  
24-lead LFCSP. The pinouts are optimized to facilitate printed  
circuit board (PCB) layout and to minimize distortion. They are  
specified to operate over the −40°C to +105°C temperature range.  
The ADA4927 is fabricated using the Analog Devices, Inc., silicon-  
germanium complementary bipolar process, enabling very low  
levels of distortion with an input voltage noise of only 1.3 nV/√Hz.  
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  
©2008 Analog Devices, Inc. All rights reserved.  
 

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