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OPA691IDBVR PDF预览

OPA691IDBVR

更新时间： 2024-11-22 22:25:23
品牌 Logo 应用领域
德州仪器 - TI 运算放大器
页数 文件大小 规格书
25页 408K
描述
Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable

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OPA691IDBVR 数据手册

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OPA691  
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6
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SBOS226A – DECEMBER 2001– REVISED SEPTEMBER 2002  
Wideband, Current Feedback  
OPERATIONAL AMPLIFIER With Disable  
FEATURES  
APPLICATIONS  
●
FLEXIBLE SUPPLY RANGE:  
● xDSL LINE DRIVER  
+5V to +12V Single-Supply  
● BROADBAND VIDEO BUFFERS  
● HIGH-SPEED IMAGING CHANNELS  
● PORTABLE INSTRUMENTS  
● ADC BUFFERS  
● ACTIVE FILTERS  
● WIDEBAND INVERTING SUMMING  
● HIGH SFDR IF AMPLIFIER  
±2.5V to  
±6V Dual-Supply  
●
UNITY-GAIN STABLE: 280MHz (G = 1)  
● HIGH OUTPUT CURRENT: 190mA  
● OUTPUT VOLTAGE SWING: ±4.0V  
● HIGH SLEW RATE: 2100V/µs  
φ
● LOW dG/d : 0.07%/0.02°  
● LOW SUPPLY CURRENT: 5.1mA  
● LOW DISABLED CURRENT: 150µA  
●
WIDEBAND +5V OPERATION: 190MHz (G = +2)  
ensures lower maximum supply current than competing  
products. System power may be further reduced by using the  
optional disable control pin. Leaving this disable pin open, or  
holding it HIGH, gives normal operation. If pulled LOW, the  
OPA691 supply current drops to less than 150µA while the  
output goes into a high impedance state. This feature may be  
used for power savings.  
DESCRIPTION  
The OPA691 sets a new level of performance for broadband  
current feedback op amps. Operating on a very low 5.1mA  
supply current, the OPA691 offers a slew rate and output  
power normally associated with a much higher supply cur-  
rent. A new output stage architecture delivers a high output  
current with minimal voltage headroom and crossover distor-  
tion. This gives exceptional single-supply operation. Using a  
single +5V supply, the OPA691 can deliver a 1V to 4V output  
swing with over 150mA drive current and 190MHz band-  
width. This combination of features makes the OPA691 an  
ideal RGB line driver or single-supply Analog-to-Digital Con-  
verter (ADC) input driver.  
OPA691 RELATED PRODUCTS  
SINGLES  
DUALS  
TRIPLES  
Voltage Feedback  
Current Feedback  
Fixed Gain  
OPA690  
OPA681  
OPA692  
OPA2690  
OPA2691  
OPA3690  
OPA3691  
OPA3692  
The OPA691’s low 5.1mA supply current is precisely trimmed  
at 25°C. This trim, along with low drift over-temperature,  
+5V  
DIS  
50Ω  
VO = –(V1 + V2 + V3 + V4 + V5)  
50Ω  
OPA691  
V1  
RG-58  
50Ω  
50Ω  
V2  
50Ω  
30Ω  
V3  
100Ω  
100MHz, –1dB Compression = 15dBm  
50Ω  
V4  
50Ω  
–5V  
V5  
200MHz RF Summing Amplifier  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2001, Texas Instruments Incorporated  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
www.ti.com  
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OPA691IDBVR 替代型号

型号 品牌 替代类型 描述 数据表
OPA691IDBVTG4 TI

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 具有禁用功能的宽带电流反馈运算放大器 | DBV | 6 | -40 to 85
OPA691IDBVT TI

类似代替

 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable

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OPA691IDBVTG4 TI

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OPA691IDRG4 TI

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OPA692 TI

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OPA692ID TI

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