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TLV2231

更新时间: 2024-11-22 22:42:07
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德州仪器 - TI 运算放大器
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描述
Advanced LinCMOSE RAIL-TO-RAIL LOW-POWER SINGLE OPERATIONAL AMPLIFIERS

TLV2231 数据手册

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TLV2231, TLV2231Y  
Advanced LinCMOS RAIL-TO-RAIL  
LOW-POWER SINGLE OPERATIONAL AMPLIFIERS  
SLOS158C – JUNE 1996 – REVISED SEPTEMBER 1997  
DBV PACKAGE  
(TOP VIEW)  
Output Swing Includes Both Supply Rails  
Low Noise . . . 15 nV/Hz Typ at f = 1 kHz  
Low Input Bias Current . . . 1 pA Typ  
IN+  
1
2
3
5
4
V
DD+  
Fully Specified for Single-Supply 3-V and  
5-V Operation  
V
DD–  
/GND  
IN–  
Common-Mode Input Voltage Range  
Includes Negative Rail  
OUT  
High Gain Bandwidth . . . 2 MHz at  
V
= 5 V with 600 Load  
DD  
High Slew Rate . . . 1.6 V/µs at V  
= 5 V  
DD  
Wide Supply Voltage Range  
2.7 V to 10 V  
Macromodel Included  
description  
The TLV2231 is a single low-voltage operational amplifier available in the SOT-23 package. It offers 2 MHz of  
bandwidth and 1.6 V/µs of slew rate for applications requiring good ac performance. The device exhibits  
rail-to-rail output performance for increased dynamic range in single or split supply applications. The TLV2231  
is fully characterized at 3 V and 5 V and is optimized for low-voltage applications.  
The TLV2231, exhibiting high input impedance and low noise, is excellent for small-signal conditioning of  
high-impedance sources, such as piezoelectric transducers. Because of the micropower dissipation levels  
combined with 3-V operation, these devices work well in hand-held monitoring and remote-sensing  
applications. In addition, the rail-to-rail output feature with single- or split-supplies makes this family a great  
choice when interfacing with analog-to-digital converters (ADCs). The device can also drive 600-loads for  
telecom applications.  
2
With a total area of 5.6mm , the SOT-23 package only requires one-third the board space of the standard 8-pin  
SOIC package. This ultra-small package allows designers to place single amplifiers very close to the signal  
source, minimizing noise pick-up from long PCB traces. TI has also taken special care to provide a pinout that  
is optimized for board layout (see Figure 1). Both inputs are separated by GND to prevent coupling or leakage  
paths. The OUT and INterminals are on the same end of the board for providing negative feedback. Finally,  
gain setting resistors and decoupling capacitor are easily placed around the package.  
1
4
V
I
IN+  
V
DD+  
V+  
C
2
3
GND  
V
/GND  
DD  
R
I
5
IN–  
OUT  
V
O
R
F
Figure 1. Typical Surface Mount Layout for a Fixed-Gain Noninverting Amplifier  
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.  
Advanced LinCMOS is a trademark of Texas Instruments Incorporated.  
Copyright 1997, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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