參數(shù)資料
型號(hào)： TL034MFK
廠商： Texas Instruments, Inc.
元件分類： 運(yùn)動(dòng)控制電子
英文描述： ENHANCED-JFET LOW-POWER LOW-OFFSET OPERATIONAL AMPLIFIERS
中文描述： 增強(qiáng)型場(chǎng)效應(yīng)低功耗低失調(diào)運(yùn)算放大器
文件頁(yè)數(shù)： 55/56頁(yè)
文件大?。?/td> 887K
代理商： TL034MFK
TL03x, TL03xA, TL03xY
ENHANCED-JFET LOW-POWER LOW-OFFSET
OPERATIONAL AMPLIFIERS
SLOS180B – FEBRUARY 1997 – REVISED FEBRUARY 1999
55
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
instrumentation amplifier with linear gain adjust
The low offset voltage and low power consumption of the TL03x provide an accurate but inexpensive
instrumentation amplifier (see Figure 70). This particular configuration offers the advantage that the gain can
be linearly set by one resistor:
V
O
=
R6
R5
×
(V
B
– V
A
)
Adjusting R6 varies the gain. The value of R6 always should be greater than, or equal to, the value of R5 to
ensure stability. The disadvantage of this instrumentation amplifier topology is the high degree of CMRR
degradation resulting from mismatches between R1, R2, R3, and R4. For this reason, these four resistors
should be 0.1%-tolerance resistors.
+
–
U1C
+
–
U1A
R6
1 M
VA
VCC+
VO
+
–
+
–
VB
U1B
R2
10 k
0.1%
R4
10 k
0.1%
R7
100 k
R5
100 k
R1
10 k
0.1%
R3
10 k
0.1%
U1D
VCC–
NOTE A: U1A through U1D = TL03x; VCC
±
=
±
15 V.
Figure 70. Instrumentation Amplifier With Linear Gain-Adjust Circuit
相關(guān)PDF資料
PDF描述
TL034AMN ENHANCED-JFET LOW-POWER LOW-OFFSET OPERATIONAL AMPLIFIERS
TL034MJ ENHANCED-JFET LOW-POWER LOW-OFFSET OPERATIONAL AMPLIFIERS
TL034Y ENHANCED-JFET LOW-POWER LOW-OFFSET OPERATIONAL AMPLIFIERS
TL034AMD ENHANCED-JFET LOW-POWER LOW-OFFSET OPERATIONAL AMPLIFIERS
TL034AMJ ENHANCED-JFET LOW-POWER LOW-OFFSET OPERATIONAL AMPLIFIERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL034MFKB 制造商:Texas Instruments 功能描述:
TL034MJ 制造商:TI 制造商全稱:Texas Instruments 功能描述:ENHANCED-JFET LOW-POWER LOW-OFFSET OPERATIONAL AMPLIFIERS
TL034MJB 制造商:TI 制造商全稱:Texas Instruments 功能描述:ENHANCED-JFET LOW-POWER LOW-OFFSET OPERATIONAL AMPLIFIERS
TL034MN 制造商:TI 制造商全稱:Texas Instruments 功能描述:ENHANCED-JFET LOW-POWER LOW-OFFSET OPERATIONAL AMPLIFIERS
TL034Y 制造商:TI 制造商全稱:Texas Instruments 功能描述:ENHANCED-JFET LOW-POWER LOW-OFFSET OPERATIONAL AMPLIFIERS
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