參數(shù)資料
型號(hào)： CA5130E
廠商： HARRIS SEMICONDUCTOR
元件分類： 運(yùn)動(dòng)控制電子
英文描述： 15MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
中文描述： OP-AMP, 15000 uV OFFSET-MAX, 15 MHz BAND WIDTH, PDIP8
文件頁(yè)數(shù)： 10/19頁(yè)
文件大?。?/td> 638K
代理商： CA5130E
10
The circuit uses an R/2R voltage ladder network, with the
output potential obtained directly by terminating the ladder
arms at either the positive or the negative power supply
terminal. Each CD4007A contains three “inverters”, each
“inverter” functioning as a single pole double throw switch to
terminate an arm of the R/2R network at either the positive or
negative power supply terminal. The resistor ladder is an
assembly of one percent tolerance metal oxide film resistors.
The five arms requiring the highest accuracy are assembled
with series and parallel combinations of 806,000
resistors
from the same manufacturing lot.
A single 15V supply provides a positive bus for the CA5130
follower amplifier and feeds the CA3085 voltage regulator. A
“scale adjust” function is provided by the regulator output
control, set to a nominal 10V level in this system. The line
voltage regulation (approximately 0.2%) permits a 9-bit
accuracy to be maintained with variations of several volts in
the supply. The flexibility afforded by the CMOS building
blocks simplifies the design of DAC systems tailored to
particular needs.
Single Supply, Absolute Value, Ideal Full Wave
Rectifier
The absolute value circuit using the CA5130 is shown in Figure
6. During positive excursions, the input signal is fed through the
feedback network directly to the output. Simultaneously, the
positive excursion of the input signal also drives the output
terminal (No. 6) of the inverting amplifier in a negative going
excursionsuchthatthe1N914diodeeffectivelydisconnectsthe
amplifier from the signal path. During a negative going
excursion of the input signal, the CA5130 functions as a normal
inverting amplifier with a gain equal to -R
2
/R
1
. When the
equality of the two equations shown in Figure 6 is satisfied, the
full wave output is symmetrical.
FIGURE 4A. OUTPUT WAVEFORM WITH INPUT SIGNAL
RAMPING
FIGURE4B. OUTPUTWAVEFORMWITHGROUNDREFERENCE
SINE WAVE INPUT
FIGURE 4. SINGLE SUPPLY VOLTAGE FOLLOWER WITH ASSOCIATED WAVEFORMS. (e.g., FOR USE IN SINGLE SUPPLY
D/A CONVERTER; SEE FIGURE 9 IN AN6080)
3
2
8
1
4
7
6
+
-
10k
56pF
OFFSET
ADJUST
+15V
0.01
μ
F
2k
0.1
μ
F
5
100k
0V
2V/Div., 500
μ
s/Div.
0V
0V
Top Trace: Output = 5V/Div., 200
μ
s/Div.
Bottom Trace: Input = 5V/Div., 200
μ
s/Div.
CA5130, CA5130A
相關(guān)PDF資料
PDF描述
CA5130 15MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
CA5130A 15MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
CA5130AE 15MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
CA5160 4MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
CA5160E 4MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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CA514 制造商:MA-COM 制造商全稱:M/A-COM Technology Solutions, Inc. 功能描述:Cascadable Amplifier 10 to 500 MHz
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