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AD8021ARMZ PDF预览

AD8021ARMZ

更新时间: 2024-01-27 02:26:56
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
28页 594K
描述
Low Noise, High Speed Amplifier for 16-Bit Systems

AD8021ARMZ 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:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:1.68
放大器类型:OPERATIONAL AMPLIFIER最大平均偏置电流 (IIB):10.5 µA
标称共模抑制比:98 dB最大输入失调电压:1000 µV
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm湿度敏感等级:1
负供电电压上限:-13.2 V标称负供电电压 (Vsup):-5 V
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 mm标称压摆率:420 V/us
子类别:Operational Amplifier供电电压上限:13.2 V
标称供电电压 (Vsup):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:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3.9 mm
Base Number Matches:1

AD8021ARMZ 数据手册

 浏览型号AD8021ARMZ的Datasheet PDF文件第2页浏览型号AD8021ARMZ的Datasheet PDF文件第3页浏览型号AD8021ARMZ的Datasheet PDF文件第4页浏览型号AD8021ARMZ的Datasheet PDF文件第5页浏览型号AD8021ARMZ的Datasheet PDF文件第6页浏览型号AD8021ARMZ的Datasheet PDF文件第7页 
Low Noise, High Speed Amplifier  
for 16-Bit Systems  
AD8021  
CONNECTION DIAGRAM  
FEATURES  
Low noise  
AD8021  
LOGIC  
REFERENCE  
1
2
3
4
8
7
6
5
DISABLE  
2.1 nV/√Hz input voltage noise  
2.1 pA/√Hz input current noise  
Custom compensation  
Constant bandwidth from G = −1 to G = −10  
High speed  
+V  
S
–IN  
V
+IN  
OUT  
–V  
S
C
COMP  
200 MHz (G = −1)  
Figure 1. SOIC-8 (R-8) and MSOP-8 (RM-8)  
190 MHz (G = −10)  
Low power  
34 mW or 6.7 mA typical for 5 V supply  
Output disable feature, 1.3 mA  
Low distortion  
−93 dBc second harmonic, fC = 1 MHz  
−108 dBc third harmonic, fC = 1 MHz  
DC precision  
1 mV maximum input offset voltage  
0.5 μV/°C input offset voltage drift  
Wide supply range, 5 V to 24 V  
Low price  
The AD8021 allows the user to choose the gain bandwidth  
product that best suits the application. With a single capacitor,  
the user can compensate the AD8021 for the desired gain with  
little trade-off in bandwidth. The AD8021 is a well-behaved  
amplifier that settles to 0.01% in 23 ns for a 1 V step. It has a fast  
overload recovery of ±0 ns.  
The AD8021 is stable over temperature with low input offset  
voltage drift and input bias current drift, 0.± μV/°C and 10 nA/°C,  
respectively. The AD8021 is also capable of driving a 7± Ω line  
with ±3 V video signals.  
Small packaging  
Available in SOIC-8 and MSOP-8  
The AD8021 is both technically superior and priced considerably  
less than comparable amps drawing much higher quiescent  
current. The AD8021 is a high speed, general-purpose amplifier,  
ideal for a wide variety of gain configurations and can be used  
throughout a signal processing chain and in control loops. The  
AD8021 is available in both standard 8-lead SOIC and MSOP  
packages in the industrial temperature range of −40°C to +8±°C.  
APPLICATIONS  
ADC preamps and drivers  
Instrumentation preamps  
Active filters  
Portable instrumentation  
Line receivers  
Precision instruments  
Ultrasound signal processing  
High gain circuits  
24  
V
= 50mV p-p  
OUT  
21  
18  
15  
12  
9
G = –10, R = 1kΩ, R = 100Ω,  
F
G
R
= 100Ω, C = 0pF  
C
IN  
GENERAL DESCRIPTION  
G = –5, R = 1kΩ, R = 200Ω,  
The AD8021 is an exceptionally high performance, high speed  
voltage feedback amplifier that can be used in 16-bit resolution  
systems. It is designed to have both low voltage and low current  
noise (2.1 nV/√Hz typical and 2.1 pA/√Hz typical) while operating  
at the lowest quiescent supply current (7 mA @ ±± V) among  
todays high speed, low noise op amps. The AD8021 operates  
over a wide range of supply voltages from ±2.2± V to ±12 V, as  
well as from single ± V supplies, making it ideal for high speed,  
low power instruments. An output disable pin allows further  
reduction of the quiescent supply current to 1.3 mA.  
F
G
R
= 66.5Ω, C = 1.5pF  
C
IN  
6
G = –2, R = 499Ω, R = 249Ω,  
F
G
R
= 63.4Ω, C = 4pF  
C
3
IN  
0
G = –1, R = 499Ω, R = 499Ω,  
F
G
R
= 56.2Ω, C = 7pF  
–3  
–6  
IN  
C
0.1M  
1M  
10M  
FREQUENCY (Hz)  
100M  
1G  
Figure 2. Small Signal Frequency Response  
Rev. F  
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  
©2006 Analog Devices, Inc. All rights reserved.  
 

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