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OPA2890

更新时间： 2024-11-04 04:35:43
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德州仪器 - TI 运算放大器
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35页 781K
描述
Low-Power, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER with Disable

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OPA2890 数据手册

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SBOS364A–DECEMBER 2007–REVISED DECEMBER 2007  
Low-Power, Wideband, Voltage-Feedback  
OPERATIONAL AMPLIFIER with Disable  
1
FEATURES  
DESCRIPTION  
2
•
FLEXIBLE SUPPLY RANGE:  
+3V to +12V Single Supply  
±1.5V to ±6V Dual Supplies  
The OPA2890 represents a major step forward in  
unity-gain stable, voltage-feedback op amps. A new  
internal architecture provides slew rate and full-power  
bandwidth previously found only in wideband,  
current-feedback op amps. These capabilities give  
exceptional single-supply operation. Using a single  
+5V supply, the OPA2890 can deliver a 0.9V to 4.1V  
output swing with over 30mA drive current and  
210MHz bandwidth. This combination of features  
makes the OPA2890 an ideal RGB line driver or  
single-supply analog-to-digital converter (ADC) input  
driver.  
•
•
UNITY-GAIN STABLE  
WIDEBAND +5V OPERATION: 90MHz  
(G = 2V/V)  
•
•
•
•
OUTPUT VOLTAGE SWING: ±4.1V  
HIGH SLEW RATE: 400V/µs  
LOW QUIESCENT CURRENT: 1.1mA/ch  
LOW DISABLE CURRENT: 30µA/ch  
APPLICATIONS  
The low 1.1mA/ch supply current of the OPA2890 is  
precisely trimmed at +25°C. This trim, along with low  
temperature drift, ensures lower maximum supply  
current than competing products. System power may  
be reduced further using the optional disable control  
pin (MSOP-10 package only). Leaving this disable pin  
open, or holding it high, operates the OPA2890  
normally. If pulled low, the OPA2890 supply current  
drops to less than 30µA/ch while the output goes into  
a high-impedance state.  
•
•
•
•
•
•
•
VIDEO LINE DRIVING  
xDSL LINE DRIVERS/RECEIVERS  
HIGH-SPEED IMAGING CHANNELS  
ADC BUFFERS  
PORTABLE INSTRUMENTS  
TRANSIMPEDANCE AMPLIFIERS  
ACTIVE FILTERS  
+5V  
+6V  
1kW  
50W  
ADS8472  
VI  
0V ® 4V  
RELATED  
OPERATIONAL AMPLIFIER  
PRODUCTS  
16W  
1/2  
500pF  
200W  
OPA2890  
-6V  
200W  
SINGLES  
DUALS  
TRIPLES  
16-Bit  
1MSPS  
SAR ADC  
Low-power voltage-feedback  
with disable  
750W  
750W  
OPA890  
0.01mF  
Very low-power  
OPA2889  
OPA2690  
voltage-feedback with disable  
+6V  
Voltage-feedback amplifier  
with disable (1800V/µs)  
OPA690  
OPA3690  
16W  
1/2  
375W  
OPA2890  
VREF/2  
500kHz LP  
Pole  
-6V  
Low Power, DC-Coupled, Single-to-Differential  
Driver for ≤100kHz Inputs  
1
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.  
2
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 the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2007, Texas Instruments Incorporated  
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OPA2890 替代型号

型号 品牌 替代类型 描述 数据表
OPA890 TI

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