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OPA338

更新时间： 2024-11-05 02:58:23
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德州仪器 - TI 放大器
页数 文件大小 规格书
25页 1220K
描述
MicroSIZE, Single-Supply CMOS OPERATIONAL AMPLIFIERS

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OPA337, OPA2337  
OPA338, OPA2338  
SBOS077B − JUNE 1997 − REVISED MARCH 2005  
MicroSIZE, Single-Supply  
CMOS OPERATIONAL AMPLIFIERS  
MicroAmplifierE Series  
FEATURES  
DESCRIPTION  
The OPA337 and OPA338 series rail-to-rail output CMOS  
D
MicroSIZE PACKAGES:  
operational amplifiers are designed for low cost and  
miniature applications. Packaged in the SOT23-8, the  
OPA2337EA and OPA2338EA are Texas Instruments’  
smallest dual op amps. At 1/4 the size of a conventional  
SO-8 surface-mount, they are ideal for space-sensitive  
applications.  
SOT23-5, SOT23-8  
D
D
D
D
SINGLE-SUPPLY OPERATION  
RAIL-TO-RAIL OUTPUT SWING  
FET-INPUT: I = 10pA max  
B
HIGH SPEED:  
OPA337: 3MHz, 1.2V/µs (G = 1)  
OPA338: 12.5MHz, 4.6V/µs (G = 5)  
Utilizing advanced CMOS technology, the OPA337 and  
OPA338 op amps provide low bias current, high-speed  
operation, high open-loop gain, and rail-to-rail output  
swing. They operate on a single supply with operation as  
low as 2.5V while drawing only 525µA quiescent current.  
In addition, the input common-mode voltage range  
includes ground—ideal for single-supply operation.  
D
D
D
D
OPERATION FROM 2.5V to 5.5V  
HIGH OPEN-LOOP GAIN: 120dB  
LOW QUIESCENT CURRENT: 525µA/amp  
SINGLE AND DUAL VERSIONS  
The OPA337 series is unity-gain stable. The OPA338 series  
is optimized for gains greater than or equal to 5. They are  
easy-to-use and free from phase inversion and overload  
problems found in some other op amps. Excellent  
performance is maintained as the amplifiers swing to their  
specified limits. The dual versions feature completely  
independent circuitry for lowest crosstalk and freedom from  
interaction, even when overdriven or overloaded.  
APPLICATIONS  
D
D
D
D
D
D
D
BATTERY-POWERED INSTRUMENTS  
PHOTODIODE PRE-AMPS  
MEDICAL INSTRUMENTS  
TEST EQUIPMENT  
G = 1 STABLE  
G ≥ 5 STABLE  
AUDIO SYSTEMS  
SINGLE  
OPA337  
DUAL  
OPA2337  
SINGLE  
OPA338  
DUAL  
OPA2338  
PACKAGE  
SOT23-5  
SOT23-8  
MSOP-8  
DRIVING ADCs  
n
n
CONSUMER PRODUCTS  
n
n
n
SPICE model available at www.ti.com.  
n
n
n
SO-8  
DIP-8  
n
n
n
OPA337, OPA338  
OPA337, OPA338  
OPA2337, OPA2338  
NC  
V+  
Out  
1
2
3
5
4
NC  
1
2
3
4
8
7
6
5
V+  
Out A  
1
2
3
4
8
7
6
5
−
−
V+  
V
In  
A
−
In A  
+In A  
Out B  
Output  
NC  
−
In  
+In  
+In  
B
−
In B  
−
V
−
V
+In B  
SOT23−5  
DIP−8(1), SO−8, MSOP−8(1)  
NC = No Connection  
DIP−8(1), SO−8, SOT23−8  
NOTE: (1) DIP AND MSOP−8 versions for OPA337, OPA2337 only.  
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 1997-2005, Texas Instruments Incorporated  
www.ti.com  
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