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OPA4830

更新时间： 2024-11-05 02:58:23
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德州仪器 - TI /
页数 文件大小 规格书
45页 1195K
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Quad, Low-Power, Single-Supply, Wideband Operational Amplifier

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OPA4830  
www.ti.com.................................................................................................................................................... SBOS350A–DECEMBER 2006–REVISED MAY 2008  
Quad, Low-Power, Single-Supply, Wideband Operational Amplifier  
1
FEATURES  
DESCRIPTION  
2
•
HIGH BANDWIDTH:  
280MHz (G = +1)  
120MHz (G = +2)  
The OPA4830 is a quad, low-power, single-supply,  
wideband, voltage-feedback amplifier designed to  
operate on a single +3V or +5V supply. Operation on  
±5V or +10V supplies is also supported. The input  
range extends below the negative supply and to  
within 1.8V of the positive supply. Using  
complementary common-emitter outputs provides an  
output swing to within 220mV of either supply while  
driving 150Ω. High output drive current (±80mA) and  
low differential gain and phase errors also make this  
amplifier an excellent choice for single-supply  
consumer video products.  
•
•
LOW SUPPLY CURRENT:  
3.9mA/ch (VS = +5V)  
FLEXIBLE SUPPLY RANGE:  
±1.4V to ±5.5V Dual Supply  
+2.8V to +11V Single Supply  
•
INPUT RANGE INCLUDES GROUND ON  
SINGLE SUPPLY  
•
•
•
•
4.91V OUTPUT SWING ON +5V SUPPLY  
HIGH SLEW RATE: 560V/µs  
Low distortion operation is ensured by the high gain  
bandwidth product (110MHz) and slew rate  
(560V/µs), making the OPA4830 an ideal input buffer  
stage to 3V and 5V CMOS analog-to-digital  
converters (ADCs). Unlike other low-power,  
single-supply amplifiers, distortion performance  
improves as the signal swing is decreased. A low  
9.2nV/√Hz input voltage noise supports wide dynamic  
range operation.  
LOW INPUT VOLTAGE NOISE: 9.2nV/√Hz  
AVAILABLE IN A TSSOP-14 PACKAGE  
APPLICATIONS  
•
SINGLE-SUPPLY ANALOG-TO-DIGITAL  
CONVERTER (ADC) INPUT BUFFERS  
SINGLE-SUPPLY VIDEO LINE DRIVERS  
CCD IMAGING CHANNELS  
ACTIVE FILTERS  
•
•
•
•
•
The OPA4830 is available in an industry-standard  
quad pinout TSSOP-14 package.  
PLL INTEGRATORS  
PORTABLE CONSUMER ELECTRONICS  
RELATED PRODUCTS  
DESCRIPTION  
SINGLES  
DUALS  
TRIPLES  
QUADS  
+3.3V  
Rail-to-Rail  
OPA830 OPA2830  
—
—
—
2.26kW  
+3.3V  
Rail-to-Rail Fixed-Gain  
OPA832 OPA2832 OPA3832  
OPA690 OPA2690 OPA3690  
374W  
General-Purpose  
(1800V/µs slew rate)  
—
1/4  
VIN  
100W  
1/4  
ADS5240  
12-Bit  
OPA4830  
Low-Noise,  
High DC Precision  
OPA820 OPA2822  
—
OPA4820  
40MSPS  
22pF  
562W  
750W  
Figure 1. DC-Coupled, +3.3V ADC Driver  
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 © 2006–2008, Texas Instruments Incorporated  
 
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