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TL051C

更新时间: 2024-11-26 03:59:39
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德州仪器 - TI 运算放大器
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68页 1370K
描述
ENHANCED-JFET LOW-OFFSET OPERATIONAL AMPLIFIERS

TL051C 数据手册

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TL05x, TL05xA  
ENHANCED-JFET LOW-OFFSET  
OPERATIONAL AMPLIFIERS  
SLOS178A – FEBRUARY 1997 - REVISED FEBRUARY 2003  
Direct Upgrades to TL07x and TL08x BiFET  
Operational Amplifiers  
On-Chip Offset-Voltage Trimming for  
Improved DC Performance and Precision  
Grades Are Available (1.5 mV, TL051A)  
Faster Slew Rate (20 V/µs Typ) Without  
Increased Power Consumption  
TL051  
D OR P PACKAGE  
(TOP VIEW)  
TL052  
D, P, OR PS PACKAGE  
(TOP VIEW)  
TL054  
D, DB, N, OR NS PACKAGE  
(TOP VIEW)  
1OUT  
1IN–  
1IN+  
4OUT  
4IN–  
4IN+  
OFFSET N1  
IN–  
NC  
V
OUT  
1OUT  
1IN–  
1IN+  
V
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
CC+  
2OUT  
2IN–  
2IN+  
CC+  
IN+  
V
V
V
OFFSET N2  
V
CC+  
CC–  
CC–  
CC–  
2IN+  
2IN–  
2OUT  
3IN+  
3IN–  
3OUT  
8
description/ordering information  
The TL05x series of JFET-input operational amplifiers offers improved dc and ac characteristics over the TL07x  
and TL08x families of BiFET operational amplifiers. On-chip Zener trimming of offset voltage yields precision  
grades as low as 1.5 mV (TL051A) for greater accuracy in dc-coupled applications. Texas Instruments improved  
BiFET process and optimized designs also yield improved bandwidth and slew rate without increased power  
consumption. The TL05x devices are pin-compatible with the TL07x and TL08x and can be used to upgrade  
existing circuits or for optimal performance in new designs.  
BiFET operational amplifiers offer the inherently higher input impedance of the JFET-input transistors, without  
sacrificing the output drive associated with bipolar amplifiers. This makes them better suited for interfacing with  
high-impedance sensors or very low-level ac signals. They also feature inherently better ac response than  
bipolar or CMOS devices having comparable power consumption.  
The TL05x family was designed to offer higher precision and better ac response than the TL08x, with the low  
noise floor of the TL07x. Designers requiring significantly faster ac response or ensured lower noise should  
consider the Excalibur TLE208x and TLE207x families of BiFET operational amplifiers.  
Because BiFET operational amplifiers are designed for use with dual power supplies, care must be taken to  
observe common-mode input voltage limits and output swing when operating from a single supply. DC biasing  
of the input signal is required, and loads should be terminated to a virtual-ground node at mid-supply. Texas  
Instruments TLE2426 integrated virtual ground generator is useful when operating BiFET amplifiers from single  
supplies.  
The TL05x are fully specified at ±15 V and ±5 V. For operation in low-voltage and/or single-supply systems,  
Texas Instruments LinCMOS families of operational amplifiers (TLC-prefix) are recommended. When moving  
from BiFET to CMOS amplifiers, particular attention should be paid to the slew rate and bandwidth  
requirements, and also the output loading.  
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.  
Copyright 2003, 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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