參數(shù)資料
型號： TL054MD
廠商： Texas Instruments, Inc.
英文描述： ENHANCED-JFET LOW-OFFSET OPERATIONAL AMPLIFIERS
中文描述： 增強型場效應低失調運算放大器
文件頁數(shù)： 54/65頁
文件大小： 1022K
代理商： TL054MD
TL05x, TL05xA, TL05xY
ENHANCED-JFET LOW-OFFSET
OPERATIONAL AMPLIFIERS
SLOS178 – FEBRUARY 1997
54
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
output characteristics
All operating characteristics (except bandwidth and phase margin) are specified with 100-pF load capacitance.
The TL05x and TL05xA drive higher capacitive loads; however, as the load capacitance increases, the resulting
response pole occurs at lower frequencies, thereby causing ringing, peaking, or even oscillation. The value of
the load capacitance at which oscillation occurs varies with production lots. If an application appears to be
sensitive to oscillation due to load capacitance, adding a small resistance in series with the load should alleviate
the problem. Capacitive loads of 1000 pF and larger may be driven if enough resistance is added in series with
the output (see Figure 81 and Figure 82).
(a) CL = 100 pF, R = 0
(b) CL = 300 pF, R = 0
(c) CL = 350 pF, R = 0
(d) CL = 1000 pF, R = 0
(e) CL 1000 pF, R = 50
(f) CL = 1000 pF, R = 2 k
Figure 81. Effect of Capacitive Loads
+
–
5 V
– 5 V
15 V
– 15 V
CL
(see Note A)
2 k
VO
R
NOTE A: CL includes fixture capacitance.
Figure 82. Test Circuit for Output Characteristics
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