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OPA2684ID PDF预览

OPA2684ID

更新时间： 2024-10-01 12:02:35
品牌 Logo 应用领域
德州仪器 - TI 运算放大器放大器电路光电二极管
页数 文件大小 规格书
34页 964K
描述
Low-Power, Dual Current-Feedback OPERATIONAL AMPLIFIER

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中文翻译

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OPA2684ID 技术参数

是否无铅： 不含铅是否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：8542.33.00.01Factory Lead Time：1 week
风险等级：1.74放大器类型：OPERATIONAL AMPLIFIER
架构：CURRENT-FEEDBACK最大平均偏置电流 (IIB)：10 µA
25C 时的最大偏置电流 (IIB)：11 µA最小共模抑制比：53 dB
标称共模抑制比：60 dB频率补偿：YES
最大输入失调电压：3500 µVJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.9 mm
低-偏置：NO低-失调：NO
微功率：NO湿度敏感等级：2
负供电电压上限：-6.5 V标称负供电电压 (Vsup)：-5 V
功能数量：2端子数量：8
最高工作温度：125 °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
包装方法：TUBE峰值回流温度（摄氏度）：260
功率：NO可编程功率：NO
认证状态：Not Qualified座面最大高度：1.75 mm
最小摆率：280 V/us标称压摆率：820 V/us
子类别：Operational Amplifier最大压摆率：1.8 mA
供电电压上限：6.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：BIPOLAR
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
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：NOT SPECIFIED
标称均一增益带宽：210000 kHz宽带：YES
宽度：3.9 mmBase Number Matches：1

OPA2684ID 数据手册

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OPA2684  
O
P
A
2
6
8
4
SBOS239D – APRIL 2002 – REVISED JULY 2008  
www.ti.com  
Low-Power, Dual Current-Feedback  
OPERATIONAL AMPLIFIER  
FEATURES  
APPLICATIONS  
● MINIMAL BANDWIDTH CHANGE VERSUS GAIN  
● 170MHz BANDWIDTH AT G = +2  
● SHORT-LOOP ADSL CO DRIVER  
● LOW-POWER BROADCAST VIDEO DRIVERS  
● DIFFERENTIAL EQUALIZING FILTERS  
● DIFFERENTIAL SAW FILTER POST AMPLIFIER  
● MULTICHANNEL SUMMING AMPLIFIERS  
● PROFESSIONAL CAMERAS  
● > 120MHz BANDWIDTH TO GAIN > +10  
● LOW DISTORTION: < –82dBc at 5MHz  
● HIGH OUTPUT CURRENT: 120mA  
● SINGLE +5V TO +12V SUPPLY OPERATION  
● DUAL ±2.5 TO ±6.0V SUPPLY OPERATION  
● LOW SUPPLY CURRENT: 3.4mA Total  
● ADC INPUT DRIVERS  
freedom from amplifier bandwidth interaction. This allows  
frequency response peaking elements to be added, multiple  
input inverting summing circuits to have greater bandwidth,  
and low-power line drivers to meet the demanding require-  
ments of studio cameras and broadcast video.  
DESCRIPTION  
The OPA2684 provides a new level of performance in low-  
power, wideband, current-feedback (CFB) amplifiers. This  
CFBPLUS amplifier is among the first to use an internally  
closed-loop input buffer stage that enhances performance  
significantly over earlier low-power CFB amplifiers. While  
retaining the benefits of very low power operation, this new  
architecture provides many of the benefits of a more ideal  
CFB amplifier. The closed-loop input stage buffer gives a  
very low and linearized impedance path at the inverting input  
to sense the feedback error current. This improved inverting  
input impedance retains exceptional bandwidth to much  
higher gains and improves harmonic distortion over earlier  
solutions limited by inverting input linearity. Beyond simple  
high-gain applications, the OPA2684 CFBPLUS amplifier per-  
mits the gain setting element to be set with considerable  
The output capability of the OPA2684 also sets a new mark  
in performance for low-power, current-feedback amplifiers.  
Delivering a full ±4Vp-p swing on ±5V supplies, the OPA2684  
also has the output current to support > ±3Vp-p into 50Ω  
loads. This minimal output headroom requirement is comple-  
mented by a similar 1.2V input stage headroom giving  
exceptional capability for single +5V operation.  
The OPA2684’s low 3.4mA supply current is precisely trimmed  
at +25°C. This trim, along with low shift over temperature and  
supply voltage, gives a very robust design over a wide range  
of operating conditions.  
BW (MHz) vs GAIN  
1 of 2 Channels  
V+  
6
G = 1  
3
G = 2  
0
+
–3  
VO  
G = 5  
–6  
–9  
Z(S) IERR  
V–  
–12  
G = 10  
–15  
IERR  
G = 20  
–18  
RF  
G = 50  
–21  
RF = 800Ω  
G = 100  
–24  
10  
RG  
100  
200  
Low-Power  
Amplifier  
MHz  
US Patent #6,724,260  
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 © 2002-2008, Texas Instruments Incorporated  
www.ti.com  
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中文翻译

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OPA2684ID 替代型号

型号 品牌 替代类型 描述 数据表
OPA2684IDR TI

完全替代

 Low-Power, Dual Current-Feedback OPERATIONAL AMPLIFIER
OPA2690IDG4 TI

类似代替

 具有禁用功能的双路宽带电压反馈运算放大器 | D | 8 | -40 to 85
OPA2690ID TI

类似代替

 Dual, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIE

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 		IC 1 CHANNEL, VIDEO AMPLIFIER, PDSO8, PLASTIC, SOT-23, 8 PIN, Audio/Video Amplifier
OPA2684IDCNR ETC

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 		Operational Amplifier
OPA2684IDCNRG4 TI

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OPA2684IDCNT TI

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 		Low-Power, Dual Current-Feedback OPERATIONAL AMPLIFIER
OPA2684IDCNTG4 TI

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 		Low-Power, Dual Current-Feedback OPERATIONAL AMPLIFIER
OPA2684IDG4 TI

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 		Low-Power, Dual Current-Feedback OPERATIONAL AMPLIFIER
OPA2684IDR TI

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 		Low-Power, Dual Current-Feedback OPERATIONAL AMPLIFIER
OPA2684IDRG4 TI

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 		Low-Power, Dual Current-Feedback OPERATIONAL AMPLIFIER
OPA2686 BB

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 		Dual, Wideband, Low Noise, Voltage Feedback OPERATIONAL AMPLIFIER
OPA2686U BB

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 		Dual, Wideband, Low Noise, Voltage Feedback OPERATIONAL AMPLIFIER

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