电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

OPA820ID

产品描述OP-AMP, 1200 uV OFFSET-MAX, 200 MHz BAND WIDTH, PDSO8
产品类别半导体    模拟混合信号IC   
文件大小411KB,共25页
制造商Burr-Brown
官网地址http://www.burr-brown.com/
下载文档 详细参数 选型对比 全文预览 文档解析

OPA820ID在线购买

供应商 器件名称 价格 最低购买 库存  
OPA820ID - - 点击查看 点击购买

OPA820ID概述

OP-AMP, 1200 uV OFFSET-MAX, 200 MHz BAND WIDTH, PDSO8

OPA820ID规格参数

参数名称属性值
功能数量1
端子数量8
最大供电/工作电压6.5 V
最大工作温度85 Cel
最小工作温度-40 Cel
额定供电电压5 V
最大负供电电压-6.5 V
额定负供电电压-5 V
额定带宽200 kHz
额定旋转率180 V/us
最大输入失调电压1200 mV
加工封装描述GREEN, PLASTIC, MS-012AA, SOIC-8
无铅Yes
欧盟RoHS规范Yes
中国RoHS规范Yes
状态ACTIVE
工艺BIPOLAR
包装形状RECTANGULAR
包装尺寸SMALL OUTLINE
表面贴装Yes
端子形式GULL WING
端子间距1.27 mm
端子涂层NICKEL PALLADIUM GOLD
端子位置DUAL
包装材料PLASTIC/EPOXY
温度等级INDUSTRIAL
放大器类型OP-AMP
额定共模抑制比73 dB
最大输入偏置电流IIB-23 uA

文档解析

OPA820 是一款单位增益稳定的低噪声电压反馈运算放大器,由德州仪器设计,提供宽频带操作和优异的动态性能。该器件在增益为 +2 时带宽高达 240MHz,输出电流可达 ±110mA,输入噪声电压低至 2.5nV/√Hz,供电电流仅 5.6mA。支持灵活的供电方案,包括双电源 ±2.5V 至 ±6V 和单电源 +5V 至 +12V,适用于多种高精度应用场景。其封装选项包括行业标准的 SO-8 和高密度便携应用的 SOT23-5,后者提供低热阻抗和全温度范围规格。 关键电气特性包括在 ±5V 供电下的带宽、转换速率 240V/µs 以及优异的直流精度,如最大输入偏移电压 ±750μV 和输入偏移电流 ±400nA。该放大器在单位增益配置下带宽超过 800MHz,且峰值小于 1dB,确保信号完整性。应用领域涵盖低成本视频线路驱动、ADC 前置放大器、有源滤波器和低噪声积分器,特别适合便携测试设备和光学通道放大器。 设计上,OPA820 优化了输入和输出摆幅余量,在单 +5V 供电下支持超过 2VPP 的输出摆幅,优于典型轨到轨放大器。其低差分增益/相位误差(0.01%/0.03°)使其适用于复合视频驱动。此外,提供评估板和 SPICE 模型支持设计优化,板布局建议包括最小化寄生电容和使用表面贴装电阻以保持高频性能。

文档预览

下载PDF文档
OPA820
SBOS303A − JUNE 2004 − REVISED JULY 2004
Unity-Gain Stable, Low-Noise, Voltage-Feedback
Operational Amplifier
FEATURES
D
D
D
D
D
D
HIGH BANDWIDTH (240MHz, G = +2)
HIGH OUTPUT CURRENT (±110mA)
LOW INPUT NOISE (2.5nV/√Hz)
LOW SUPPLY CURRENT (5.6mA)
FLEXIBLE SUPPLY VOLTAGE
Dual
±2.5V
to
±6V
Single +5V to +12V
EXCELLENT DC ACCURACY
Maximum 25°C Input Offset Voltage =
±750µV
Maximum 25°C Input Offset Current =
±400nA
DESCRIPTION
The OPA820 provides a wideband, unity-gain stable,
voltage-feedback amplifier with a very low input noise voltage
and high output current using a low 5.6mA supply current. At
unity-gain, the OPA820 gives > 800MHz bandwidth with < 1dB
peaking. The OPA820 complements this high-speed
operation with excellent DC precision in a low-power device.
A worst-case input offset voltage of
±750µV
and an offset
current of
±400nA
give excellent absolute DC precision for
pulse amplifier applications.
Minimal input and output voltage swing headroom allow the
OPA820 to operate on a single +5V supply with > 2V
PP
output
swing. While not a rail-to-rail (RR) output, this swing will
support most emerging analog-to-digital converter (ADC)
input ranges with lower power and noise than typical RR
output op amps.
Exceptionally low dG/dP (0.01%/0.03°) supports low-cost
composite video line driver applications. Existing designs can
use the industry-standard pinout SO-8 package while
emerging high-density portable applications can use the
SOT23-5. Offering the industry’s lowest thermal impedance in
a SOT package, along with full specification over both the
commercial and industrial temperature ranges, gives solid
performance over a wide temperature range.
APPLICATIONS
D
D
D
D
D
D
D
D
D
LOW-COST VIDEO LINE DRIVERS
ADC PREAMPLIFIERS
ACTIVE FILTERS
LOW-NOISE INTEGRATORS
PORTABLE TEST EQUIPMENT
OPTICAL CHANNEL AMPLIFIERS
LOW-POWER, BASEBAND AMPLIFIERS
CCD IMAGING CHANNEL AMPLIFIERS
OPA650 AND OPA620 UPGRADE
RELATED PRODUCTS
SINGLES
OPA354
OPA690
DUALS
OPA2354
OPA2690
OPA2652
OPA2822
TRIPLES
OPA3690
QUADS
OPA4354
OPA4820
+5V
FEATURES
CMOS RR Output
High Slew Rate
SOT23-8
Low Noise
Quad OPA820
+5V
V
IN
OPA820
50Ω
100pF
−5V
402Ω
2kΩ
IN
402Ω
2kΩ
0.1µF
(+2V)
REFB
(+1V)
VREF
ADS850
14−
Bit
10MSPS
R
S
0.1µF 24.9Ω
2kΩ
2kΩ
IN
REFT
(+3V)
SEL
AC-Coupled, 14-Bit ADS850 Interface
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright
2004, Texas Instruments Incorporated
www.ti.com

OPA820ID相似产品对比

OPA820ID OPA820IDBVR OPA820IDBVT OPA820IDR
描述 OP-AMP, 1200 uV OFFSET-MAX, 200 MHz BAND WIDTH, PDSO8 OP-AMP, 1200 uV OFFSET-MAX, 200 MHz BAND WIDTH, PDSO5 OP-AMP, 1200 uV OFFSET-MAX, 200 MHz BAND WIDTH, PDSO5 OP-AMP, 1200 uV OFFSET-MAX, 200 MHz BAND WIDTH, PDSO8
功能数量 1 1 1 1
端子数量 8 5 5 8
最大供电/工作电压 6.5 V 6.5 V 6.5 V 6.5 V
最大工作温度 85 Cel 85 Cel 85 Cel 85 Cel
最小工作温度 -40 Cel -40 Cel -40 Cel -40 Cel
额定供电电压 5 V 5 V 5 V 5 V
最大负供电电压 -6.5 V -6.5 V -6.5 V -6.5 V
额定负供电电压 -5 V -5 V -5 V -5 V
额定带宽 200 kHz 200 kHz 200 kHz 200 kHz
额定旋转率 180 V/us 180 V/us 180 V/us 180 V/us
最大输入失调电压 1200 mV 1200 mV 1200 mV 1200 mV
加工封装描述 GREEN, PLASTIC, MS-012AA, SOIC-8 GREEN, PLASTIC, SOT-23, 5 PIN GREEN, PLASTIC, SOT-23, 5 PIN GREEN, PLASTIC, MS-012AA, SOIC-8
无铅 Yes Yes Yes Yes
欧盟RoHS规范 Yes Yes Yes Yes
中国RoHS规范 Yes Yes Yes Yes
状态 ACTIVE ACTIVE ACTIVE ACTIVE
工艺 BIPOLAR BIPOLAR BIPOLAR BIPOLAR
包装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
包装尺寸 SMALL OUTLINE SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE
表面贴装 Yes Yes Yes Yes
端子形式 GULL WING GULL WING GULL WING GULL WING
端子间距 1.27 mm 0.9500 mm 0.9500 mm 1.27 mm
端子涂层 NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD
端子位置 DUAL DUAL DUAL DUAL
包装材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
温度等级 INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
放大器类型 OP-AMP OP-AMP OP-AMP OP-AMP
额定共模抑制比 73 dB 73 dB 73 dB 73 dB
最大输入偏置电流IIB -23 uA -23 uA -23 uA -23 uA

技术资料推荐更多

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 99  374  1402  812  1796  6  48  37  4  43 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved