參數(shù)資料
型號(hào): LT1055
廠商: Linear Technology Corporation
英文描述: Octal Buffers/Drivers With 3-State Outputs 20-PDIP 0 to 70
中文描述: 高精度,高速度,JFET輸入運(yùn)算放大器
文件頁數(shù): 9/12頁
文件大?。?/td> 360K
代理商: LT1055
9
LT1055/LT1056
APPLICATIO
S I
FOR
ATIO
U
Phase Reversal Protection
Most industry standard JFET input op amps (e.g., LF155/
LF156, LF351, LF411, OP15/16) exhibit phase reversal at
the output when the negitive common-mode limit at the
input is exceeded (i.e., from –12V to –15V with
±
15V
supplies). This can cause lock-up in servo systems. As
shown below, the LT1055/LT1056 does not have this
problem due to unique phase reversal protection circuitry
(Q1 on simplified schematic).
W
U
U
0.5ms/DIV
0.5ms/DIV
0.5ms/DIV
1
1
1
LT1055/56 AI06
LT1055/56 AI07
LT1055/56 AI08
TYPICAL APPLICATIO
N
S
Exponential Voltage-to-Frequency Converter for Music Synthesizers
INPUT
0V TO 10V
LT1055/56 TA03
+
11.3k*
EXPONENT
TRIM
2500
*
562
*
3.57k*
ZERO TRIM
15V
500k
500
*
4.7k
1.1k
10k*
3k
10k*
1k*
1k*
4.7k
2
3
4
5
6
–15V
–15V
7
LT1055
15V
500pF
POLYSTYRENE
6
2
3
15V
7
LM301A
15V
6
8
2N3906
2N3904
SAWTOOTH
OUTPUT
LM329
0.01μF
1
4
2
3
1
1N148
13
14
152.2k
9
7
8
33
TEMPERATURE CONTROL LOOP
SCALE FACTOR
1V IN OCTAVE OUT
*1% METAL FILM RESISTOR
PIN NUMBERED TRANSISTORS = CA3096 ARRAY
+
For ten additional applications utilizing the
LT1055 and LT1056, please see the LTC1043
data sheet and Application Note 3.
Voltage Follower with Input Exceeding the Negative
Common-Mode Range
+
2k
–15V
15V
OUTPUT
2
3
4
INPUT
±15V
SINE WAVE
7
6
LT1055/56
LT1055/56 AI05
Output
LT1055/LT1056
Output
(LF155/LF56, LF441, OP-15/OP-16)
Input
相關(guān)PDF資料
PDF描述
LT1055S8 Precision, High Speed, JFET Input Operational Amplifiers
LT1056CN8 Precision, High Speed, JFET Input Operational Amplifiers
LT1055AM Precision, High Speed, JFET Input Operational Amplifiers
LT1055AMH Octal Bus Transceivers With 3-State Outputs 20-PDIP 0 to 70
LT1055C Precision, High Speed, JFET Input Operational Amplifiers
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