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OPA340NA-250

更新时间： 2024-11-23 12:02:03
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德州仪器 - TI 运算放大器
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28页 1563K
描述
SINGLE-SUPPLY, RAIL-TO-RAIL OPERATIONAL AMPLIFIERS MicroAmplifier™ Series

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OPA340NA-250 数据手册

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OPA340  
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OPA2340  
OPA4340  
SBOS073B–SEPTEMBER 1997–REVISED NOVEMBER 2007  
SINGLE-SUPPLY, RAIL-TO-RAIL  
OPERATIONAL AMPLIFIERS  
MicroAmplifier™ Series  
1
FEATURES  
DESCRIPTION  
23  
•
RAIL-TO-RAIL INPUT  
OPA340 series rail-to-rail CMOS operational  
amplifiers are optimized for low-voltage, single-supply  
operation. Rail-to-rail input/output and high-speed  
operation make them ideal for driving sampling  
analog-to-digital (A/D) converters. They are also  
well-suited for general purpose and audio  
applications as well as providing I/V conversion at the  
output of digital-to-analog (D/A) converters. Single,  
dual, and quad versions have identical specifications  
for design flexibility.  
•
•
•
•
•
•
•
RAIL-TO-RAIL OUTPUT (within 1mV)  
MicroSIZE PACKAGES  
WIDE BANDWIDTH: 5.5MHz  
HIGH SLEW RATE: 6V/µs  
LOW THD+NOISE: 0.0007% (f = 1kHz)  
LOW QUIESCENT CURRENT: 750µA/channel  
SINGLE, DUAL, AND QUAD VERSIONS  
The OPA340 series operate on a single supply as low  
as 2.5V with an input common-mode voltage range  
that extends 500mV below ground and 500mV above  
the positive supply. Output voltage swing is to within  
1mV of the supply rails with a 100kΩ load. They offer  
excellent dynamic response (BW = 5.5MHz, SR =  
6V/µs), yet quiescent current is only 750µA. Dual and  
quad designs feature completely independent  
circuitry for lowest crosstalk and freedom from  
interaction.  
APPLICATIONS  
•
•
•
•
•
•
•
•
DRIVING A/D CONVERTERS  
PCMCIA CARDS  
DATA ACQUISITION  
PROCESS CONTROL  
AUDIO PROCESSING  
COMMUNICATIONS  
ACTIVE FILTERS  
TEST EQUIPMENT  
The single (OPA340) packages are the tiny 5-lead  
SOT23-5 surface mount, SO-8 surface mount, and  
DIP-8. The dual (OPA2340) comes in the miniature  
MSOP-8 surface mount, SO-8 surface mount, and  
DIP-8 packages. The quad (OPA4340) packages are  
the space-saving SSOP-16 surface mount and SO-14  
surface mount. All are specified from –40°C to +85C  
and operate from –55°C to +125°C. A SPICE  
macromodel is available for design analysis.  
OPA4340  
OPA4340  
Out A  
1
2
3
4
5
6
7
8
16 Out D  
15 -In D  
14 +In D  
13 V-  
OPA2340  
OPA340  
OPA340  
Out A  
-In A  
+In A  
V+  
1
2
3
4
5
6
7
14 Out D  
13 -In D  
12 +In D  
11 V-  
-In A  
(1)  
(1)  
A
B
D
C
NC  
V+  
Out A  
1
2
3
4
8
7
6
5
V+  
Out  
1
2
3
5
4
V+ NC  
1
2
3
4
8
7
6
5
+In A  
A
B
D
C
A
-In A  
Out B  
-In B  
+In B  
V-  
-In  
-In +In  
V-  
V+  
B
Output +In A  
(1)  
+In  
+In B  
12 +In C  
11 -In C  
NC  
V-  
+In B  
-In B  
Out B  
10 +In C  
-In B  
SOT23-5  
Out B  
9
8
-In C  
DIP-8, SO-8, MSOP-8  
10 Out C  
(1)  
DIP-8, SO-8  
(1)  
NC  
Out C  
9
NC  
NOTE: (1) NC denotes no internal connection.  
SO-14  
SSOP-16  
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
3
MicroAmplifier is a trademark of Texas Instruments, Inc.  
All other 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 © 1997–2007, Texas Instruments Incorporated  
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