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OPA832 PDF预览

OPA832

更新时间: 2024-11-03 22:50:47
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描述
Low-Power, Single-Supply, Fixed-Gain Video Buffer Amplifier

OPA832 数据手册

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OPA832  
SBOS266B − JUNE 2003 − REVISED SEPTEMBER 2004  
Low-Power, Single-Supply, Fixed-Gain  
Video Buffer Amplifier  
FD EATURES  
DESCRIPTION  
HIGH BANDWIDTH: 80MHz (G = +2)  
LOW SUPPLY CURRENT: 3.9mA  
The OPA832 is a low-power, high-speed, fixed-gain amplifier  
designed to operate on a single +3.3V or +5V supply.  
Operation on 5V or +10V supplies is also supported. The  
input range extends below ground and to within 1V of the  
positive supply. Using complementary common-emitter  
outputs provides an output swing to within 30mV of ground  
and 130mV of the positive supply. The high output drive  
current and low differential gain and phase errors also make  
it ideal for single-supply consumer video products.  
D
D
FLEXIBLE SUPPLY RANGE:  
+2.8V to +11V Single Supply  
1.4V to 5.5V Dual Supply  
D
INPUT RANGE INCLUDES GROUND ON  
SINGLE SUPPLY  
D
D
D
D
4.9V  
OUTPUT SWING ON +5V SUPPLY  
PP  
Low distortion operation is ensured by the high gain  
bandwidth product (200MHz) and slew rate (850V/µs), making  
the OPA832 an ideal input buffer stage to 3V and 5V CMOS  
converters. Unlike other low-power, single-supply amplifiers,  
distortion performance improves as the signal swing is  
decreased. A low 9.3nV/Hz input voltage noise supports  
wide dynamic range operation.  
HIGH SLEW RATE: 350V/µsec  
LOW INPUT VOLTAGE NOISE: 9.3nV/Hz  
AVAILABLE IN AN SOT23 PACKAGE  
AD PPLICATIONS  
The OPA832 is available in an industry-standard SO-8  
package. The OPA832 is also available in an ultra-small  
SOT23-5 package. For gains other than +1, −1, or +2,  
consider using the OPA830.  
SINGLE-SUPPLY VIDEO LINE DRIVERS  
D
D
D
CCD IMAGING CHANNELS  
LOW-POWER ULTRASOUND  
PORTABLE CONSUMER ELECTRONICS  
RELATED PRODUCTS  
DESCRIPTION  
SINGLES  
DUALS  
TRIPLES  
QUADS  
Medium Speed  
Medium Speed,  
Fixed Gain  
OPA830  
OPA2830  
OPA4830  
OPA2832  
OPA3832  
LARGE−SIGNAL BANDWIDTH  
(1VPP AT MATCHED LOAD)  
+3.3V  
0
Video DAC  
976  
VI  
75  
80.6  
3
6
9
I I  
VO  
OPA832  
75 Load  
400  
VO  
= 1V/V  
VI  
400  
1
10  
100  
Single-Supply, Low-Cost Video Line 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.  
ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆꢇ ꢂꢈ ꢃ ꢉꢆꢉ ꢊꢋ ꢌꢍ ꢎ ꢏꢐ ꢑꢊꢍꢋ ꢊꢒ ꢓꢔ ꢎ ꢎ ꢕꢋꢑ ꢐꢒ ꢍꢌ ꢖꢔꢗ ꢘꢊꢓ ꢐꢑꢊ ꢍꢋ ꢙꢐ ꢑꢕꢚ ꢀꢎ ꢍꢙꢔ ꢓꢑꢒ  
ꢓ ꢍꢋ ꢌꢍꢎ ꢏ ꢑꢍ ꢒ ꢖꢕ ꢓ ꢊ ꢌꢊ ꢓ ꢐ ꢑꢊ ꢍꢋꢒ ꢖ ꢕꢎ ꢑꢛꢕ ꢑꢕ ꢎ ꢏꢒ ꢍꢌ ꢆꢕꢜ ꢐꢒ ꢇꢋꢒ ꢑꢎ ꢔꢏ ꢕꢋꢑ ꢒ ꢒꢑ ꢐꢋꢙ ꢐꢎ ꢙ ꢝ ꢐꢎ ꢎ ꢐ ꢋꢑꢞꢚ  
ꢀꢎ ꢍ ꢙꢔꢓ ꢑ ꢊꢍ ꢋ ꢖꢎ ꢍ ꢓ ꢕ ꢒ ꢒ ꢊꢋ ꢟ ꢙꢍ ꢕ ꢒ ꢋꢍꢑ ꢋꢕ ꢓꢕ ꢒꢒ ꢐꢎ ꢊꢘ ꢞ ꢊꢋꢓ ꢘꢔꢙ ꢕ ꢑꢕ ꢒꢑꢊ ꢋꢟ ꢍꢌ ꢐꢘ ꢘ ꢖꢐ ꢎ ꢐꢏ ꢕꢑꢕ ꢎ ꢒꢚ  
Copyright 2003−2004, Texas Instruments Incorporated  
www.ti.com  

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