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OPA2691I-14DR PDF预览

OPA2691I-14DR

更新时间： 2024-10-02 11:06:51
品牌 Logo 应用领域
德州仪器 - TI 放大器运算放大器放大器电路
页数 文件大小 规格书
30页 1094K
描述
具有禁用功能的双路宽带电流反馈运算放大器 | D | 14 | -40 to 85

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OPA2691I-14DR 数据手册

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OPA2691  
O
PA  
269  
1
O
P
A
2
6
9
1
www.ti.com  
SBOS224D – DECEMBER 2001 – REVISED JULY 2008  
Dual Wideband, Current-Feedback  
OPERATIONAL AMPLIFIER With Disable  
FEATURES  
APPLICATIONS  
●
FLEXIBLE SUPPLY RANGE:  
+5V to +12V Single Supply  
● xDSL LINE DRIVER/RECEIVER  
● MATCHED I/Q CHANNEL AMPLIFIER  
● BROADBAND VIDEO BUFFERS  
● HIGH-SPEED IMAGING CHANNELS  
● PORTABLE INSTRUMENTS  
±2.5V to ±6V Dual Supply  
●
●
WIDEBAND +5V OPERATION: 190MHz (G = +2)  
UNITY-GAIN STABLE: 280MHz (G = 1)  
● HIGH OUTPUT CURRENT: 190mA  
● OUTPUT VOLTAGE SWING: ±4.0V  
● HIGH SLEW RATE: 2100V/µs  
● LOW SUPPLY CURRENT: 5.1mA/ch  
● LOW DISABLED CURRENT: 150µA/ch  
● DIFFERENTIAL ADC DRIVERS  
● ACTIVE FILTERS  
● WIDEBAND INVERTING SUMMING  
The OPA2691’s low 5.1mA/ch supply current is precisely trimmed at  
25°C. This trim, along with low drift over temperature, ensures lower  
maximum supply current than competing products. System power  
may be further reduced by using the optional disable control pin  
(SO-14 only). Leaving this disable pin open, or holding it HIGH,  
gives normal operation. If pulled LOW, the OPA2691 supply current  
drops to less than 150µA/ch while the output goes into a high  
impedance state. This feature may be used for power savings.  
DESCRIPTION  
The OPA2691 sets a new level of performance for broadband dual  
current-feedback op amps. Operating on a very low 5.1mA/ch  
supply current, the OPA2691 offers a slew rate and output power  
normally associated with a much higher supply current. A new  
output stage architecture delivers a high output current with minimal  
voltage headroom and crossover distortion. This gives exceptional  
single-supply operation. Using a single +5V supply, the OPA2691  
can deliver a 1V to 4V output swing with over 150mA drive current  
and 190MHz bandwidth. This combination of features makes the  
OPA2691 an ideal RGB line driver or single-supply Analog-to-Digital  
Converter (ADC) input driver.  
OPA2691 RELATED PRODUCTS  
SINGLES  
DUALS  
TRIPLES  
Voltage-Feedback  
Current-Feedback  
Fixed Gain  
OPA690  
OPA691  
OPA692  
OPA2690  
OPA2681  
—
OPA3690  
OPA3691  
OPA3692  
+12V  
SINGLE-SUPPLY ADSL UPSTREAM DRIVER  
SMALL-SIGNAL FREQUENCY RESPONSE  
1/2  
OPA2691  
18  
17  
16  
15  
14  
13  
12.4Ω  
12.4Ω  
324Ω  
1:2  
1µF  
2kΩ  
2kΩ  
+6.0V  
100Ω  
2Vp-p  
15Vp-p  
100Ω  
324Ω  
1/2  
OPA2691  
12  
0.1  
1
10  
100 200  
Single-Supply ADSL Upstream Driver  
Frequency (MHz)  
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 © 2001-2008, Texas Instruments Incorporated  
www.ti.com  
1234567...30

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OPA2691I-14DR 替代型号

型号 品牌 替代类型 描述 数据表
OPA2691I-14DG4 TI

完全替代

 Dual Wideband Current Feedback Operational Amplifier,with Disable 14-SOIC -40 to 85
OPA2691I-14D TI

类似代替

 Dual Wideband, Current-Feedback OPERATIONAL AMPLIFIER With Disable

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 		双路、宽带、低功耗电流反馈运算放大器 | D | 8 | -40 to 85
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