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TLC2654AI14D PDF预览

TLC2654AI14D

更新时间： 2024-11-08 03:59:55
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德州仪器 - TI 运算放大器斩波器
页数 文件大小 规格书
30页 429K
描述
Advanced LinCMOSE LOW-NOISE CHOPPER-STABILIZED OPERATIONAL AMPLIFIERS

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TLC2654AI14D 数据手册

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TLC2654, TLC2654A  
Advanced LinCMOS LOW-NOISE CHOPPER-STABILIZED  
OPERATIONAL AMPLIFIERS  
SLOS020F – NOVEMBER 1988 – REVISED JULY 1999  
D, JG, OR P PACKAGE  
(TOP VIEW)  
Input Noise Voltage  
0.5 µV (Peak-to-Peak) Typ, f = 0 to 1 Hz  
1.5 µV (Peak-to-Peak) Typ, f = 0 to 10 Hz  
47 nV/√Hz Typ, f = 10 Hz  
C
C
V
1
2
3
4
8
7
6
5
XA  
XB  
IN–  
IN+  
DD+  
OUT  
13 nV/√Hz Typ, f = 1 kHz  
High Chopping Frequency . . . 10 kHz Typ  
No Clock Noise Below 10 kHz  
V
CLAMP  
DD–  
No Intermodulation Error Below 5 kHz  
D, J, OR N PACKAGE  
(TOP VIEW)  
Low Input Offset Voltage  
10 µV Max (TLC2654A)  
C
C
INT/EXT  
CLK IN  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
XB  
XA  
Excellent Offset Voltage Stability  
With Temperature . . . 0.05 µV/°C Max  
NC  
IN–  
IN+  
NC  
CLK OUT  
A
. . . 135 dB Min (TLC2654A)  
VD  
V
DD+  
CMRR . . . 110 dB Min (TLC2654A)  
. . . 120 dB Min (TLC2654A)  
OUT  
CLAMP  
C RETURN  
k
SVR  
V
8
DD–  
Single-Supply Operation  
Common-Mode Input Voltage Range  
Includes the Negative Rail  
FK PACKAGE  
(TOP VIEW)  
No Noise Degradation With External  
Capacitors Connected to V  
DD–  
Available in Q-Temp Automotive  
HighRel Automotive Applications  
Configuration Control/Print Support  
Qualification to Automotive Standards  
3
2
1
20 19  
18  
CLK OUT  
NC  
4
5
6
7
8
NC  
V
NC  
IN–  
NC  
17  
16  
15  
14  
DD+  
description  
NC  
OUT  
IN+  
The TLC2654 and TLC2654A are low-noise  
chopper-stabilized operational amplifiers using  
the Advanced LinCMOS process. Combining  
this process with chopper-stabilization circuitry  
makesexcellentdcprecisionpossible. Inaddition,  
circuit techniques are added that give the  
TLC2654 and TLC2654A noise performance  
unsurpassed by similar devices.  
9 10 11 12 13  
NC – No internal connection  
Chopper-stabilization techniques provide for extremely high dc precision by continuously nulling input offset  
voltage even during variations in temperature, time, common-mode voltage, and power-supply voltage. The  
high chopping frequency of the TLC2654 and TLC2654A (see Figure 1) provides excellent noise performance  
in a frequency spectrum from near dc to 10 kHz. In addition, intermodulation or aliasing error is eliminated from  
frequencies up to 5 kHz.  
This high dc precision and low noise, coupled with the extremely high input impedance of the CMOS input stage,  
makes the TLC2654 and TLC2654A ideal choices for a broad range of applications such as low-level,  
low-frequency thermocouple amplifiers and strain gauges and wide-bandwidth and subsonic circuits. For  
applications requiring even greater dc precision, use the TLC2652 or TLC2652A devices, which have a  
chopping frequency of 450 Hz.  
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 1999, Texas Instruments Incorporated  
On products compliant to MIL-PRF-38535, all parameters are tested  
unless otherwise noted. On all other products, production  
processing does not necessarily include testing of all parameters.  
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  
1234567...30

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