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TLC2652MFK PDF预览

TLC2652MFK

更新时间: 2024-09-20 22:53:03
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德州仪器 - TI 运算放大器斩波器
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31页 474K
描述
Advanced LinCMOSE PRECISION CHOPPER-STABILIZED OPERATIONAL AMPLIFIERS

TLC2652MFK 数据手册

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TLC2652, TLC2652A, TLC2652Y  
Advanced LinCMOS PRECISION CHOPPER-STABILIZED  
OPERATIONAL AMPLIFIERS  
SLOS019C – SEPTEMBER 1988 – REVISED FEBRUARY 1999  
D008, JG, OR P PACKAGE  
Extremely Low Offset Voltage . . . 1 µV Max  
(TOP VIEW)  
Extremely Low Change on Offset Voltage  
With Temperature . . . 0.003 µV/°C Typ  
C
C
V
1
2
3
4
8
7
6
5
XA  
XB  
Low Input Offset Current  
IN–  
IN+  
DD+  
500 pA Max at T = – 55°C to 125°C  
A
OUT  
A
. . . 135 dB Min  
V
CLAMP  
VD  
DD–  
CMRR and k  
. . . 120 dB Min  
SVR  
D014, J, OR N PACKAGE  
(TOP VIEW)  
Single-Supply Operation  
Common-Mode Input Voltage Range  
Includes the Negative Rail  
C
C
INT/EXT  
CLK IN  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
XB  
XA  
No Noise Degradation With External  
NC  
IN–  
IN+  
NC  
CLK OUT  
Capacitors Connected to V  
DD–  
V
DD+  
OUT  
description  
CLAMP  
C RETURN  
The TLC2652 and TLC2652A are high-precision  
chopper-stabilized operational amplifiers using  
Texas Instruments Advanced LinCMOS  
process. This process in conjunction with unique  
chopper-stabilization circuitry produces opera  
tional amplifiers whose performance matches or  
exceeds that of similar devices available today.  
V
8
DD–  
FK PACKAGE  
(TOP VIEW)  
Chopper-stabilization techniques make possible  
extremely high dc precision by continuously  
nulling input offset voltage even during variation in  
temperature, time, common-mode voltage, and  
power supply voltage. In addition, low-frequency  
noise voltage is significantly reduced. This high  
precision, coupled with the extremely high input  
impedance of the CMOS input stage, makes the  
TLC2652 and TLC2652A an ideal choice for  
low-level signal processing applications such as  
strain gauges, thermocouples, and other  
transducer amplifiers. For applications that  
require extremely low noise and higher usable  
bandwidth, use the TLC2654 or TLC2654A  
device, which has a chopping frequency of  
10 kHz.  
3
4
2
1
20 19  
18  
CLK OUT  
NC  
NC  
V
NC  
IN–  
NC  
17  
5
6
7
8
16  
15  
14  
DD+  
NC  
OUT  
IN+  
9 10 11 12 13  
NC – No internal connection  
The TLC2652 and TLC2652A input common-mode range includes the negative rail, thereby providing superior  
performance in either single-supply or split-supply applications, even at power supply voltage levels as low as  
±1.9 V.  
Two external capacitors are required for operation of the device; however, the on-chip chopper-control circuitry  
is transparent to the user. On devices in the 14-pin and 20-pin packages, the control circuitry is made accessible  
to allow the user the option of controlling the clock frequency with an external frequency source. In addition, the  
clock threshold level of the TLC2652 and TLC2652A requires no level shifting when used in the single-supply  
configuration with a normal CMOS or TTL clock input.  
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  
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.  
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.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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