Datenblatt-Suchmaschine für elektronische Bauteile
  German  ▼
ALLDATASHEETDE.COM

X  

CA5130 Datenblatt(PDF) 8 Page - Intersil Corporation

Teilenummer CA5130
Bauteilbeschribung  15MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
Download  19 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Hersteller  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CA5130 Datenblatt(HTML) 8 Page - Intersil Corporation

Back Button CA5130 Datasheet HTML 4Page - Intersil Corporation CA5130 Datasheet HTML 5Page - Intersil Corporation CA5130 Datasheet HTML 6Page - Intersil Corporation CA5130 Datasheet HTML 7Page - Intersil Corporation CA5130 Datasheet HTML 8Page - Intersil Corporation CA5130 Datasheet HTML 9Page - Intersil Corporation CA5130 Datasheet HTML 10Page - Intersil Corporation CA5130 Datasheet HTML 11Page - Intersil Corporation CA5130 Datasheet HTML 12Page - Intersil Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 8 / 19 page
background image
8
transistors Q8,Q12 goes essentially to zero. The two preceding
stages in the CA5130, however, continue to draw modest
supply current (see the lower curve in Figure 16) even though
the output stage is strobed off. Figure 1A shows a dual supply
arrangement for the output stage that can also be strobed off,
assuming RL = , by pulling the potential of Terminal 8 down to
that of Terminal 4.
Let it now be assumed that a load resistance of nominal value
(e.g., 2k
Ω) is connected between Terminal 6 and ground in
the circuit of Figure 1B. Let it further be assumed that the
input terminal bias (Terminals 2 and 3) is such that the output
terminal (No. 6) voltage is at V+/2. Since PMOS transistor Q8
must now supply quiescent current to both RL and transistor
Q12, it should be apparent that under these conditions the
supply current must increase as an inverse function of the RL
magnitude. Figure 22 shows the voltage drop across PMOS
transistor Q8 as a function of load current at several supply
voltages. Figure 15 shows the voltage transfer characteristics
of the output stage for several values of load resistance.
Wideband Noise
From the standpoint of low noise performance considerations,
the use of the CA5130 is most advantageous in applications
where the source resistance of the input signal is on the order
of 1M
Ω or more. In this case, the total input referred noise
voltage is typically only 23
µV when the test circuit amplifier of
Figure 2 is operated at a total supply voltage of 15V. This
value of total input referred noise remains essentially
constant, even though the value of source resistance is raised
by an order of magnitude. This characteristic is due to the fact
that reactance of the input capacitance becomes a significant
factor in shunting the source resistance. It should be noted,
however, that for values of source resistance very much
greater than 1M
Ω, the total noise voltage generated can be
dominated by the thermal noise contributions of both the
feedback and source resistors.
Typical Applications
Voltage Followers
Operational amplifiers with very high input resistances, like
the CA5130, are particularly suited to service as voltage
followers. Figure 3 shows the circuit of a classical voltage
follower, together with pertinent waveforms using the
CA5130 in a split supply configuration.
A voltage follower, operated from a single supply, is shown in
Figure 4, together with related waveforms. This follower circuit
is linear over a wide dynamic range, as illustrated by the
reproduction of the output waveform in Figure 4A with input
signal ramping. The waveforms in Figure 4B show that the
follower does not lose its input-to-output phase sense, even
though the input is being swung 7.5V below ground potential.
This unique characteristic is an important attribute in both
operational amplifier and comparator applications. Figure 4B
also shows the manner in which the CMOS output stage
permits the output signal to swing down to the negative supply
rail potential (i.e., ground in the case shown). The digital-to-
analog converter (DAC) circuit, described in the following
section, illustrates the practical use of the CA5130 in a single
supply voltage follower application.
9-Bit CMOS DAC
A typical circuit of a 9-bit Digital-to-Analog Converter (DAC)
(see Note) is shown in Figure 5. This system combines the
concepts of multiple switch CMOS lCs, a low cost ladder
network of discrete metal-oxide film resistors, a CA5130 op
amp connected as a follower, and an inexpensive monolithic
regulator in a simple single power supply arrangement. An
additional feature of the DAC is that it is readily interfaced
with CMOS input logic, e.g., 10V logic levels are used in the
circuit of Figure 5.
NOTE: “Digital-to-Analog Conversion Using the Intersil CD4007A
CMOS lC”, Application Note AN6080.
3
2
1
8
4
7
6
+
-
Rs
1M
47pF -7.5V
0.01
µF
+7.5V
0.01
µF
NOISE
VOLTAGE
OUTPUT
30.1k
1k
BW (-3dB) = 200kHz
TOTAL NOISE VOLTAGE (REFERRED
TO INPUT) = 23
µV (TYP)
FIGURE 2. CA5130 OUTPUT STAGE IN DUAL AND SINGLE
POWER SUPPLY OPERATION
CA5130, CA5130A


Ähnliche Teilenummer - CA5130

HerstellerTeilenummerDatenblattBauteilbeschribung
logo
Tyco Electronics
CA513 MACOM-CA513 Datasheet
372Kb / 2P
   Cascadable Amplifier 10 to 500 MHz
logo
M/A-COM Technology Solu...
CA513 MA-COM-CA513 Datasheet
1Mb / 2P
   Cascadable Amplifier 10 to 500 MHz
More results

Ähnliche Beschreibung - CA5130

HerstellerTeilenummerDatenblattBauteilbeschribung
logo
Intersil Corporation
CA5260 INTERSIL-CA5260 Datasheet
471Kb / 7P
   3MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
logo
Renesas Technology Corp
CA5260 RENESAS-CA5260 Datasheet
615Kb / 7P
   3MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
logo
Intersil Corporation
CA5160 INTERSIL-CA5160 Datasheet
910Kb / 18P
   4MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
September 1998
CA5260 INTERSIL-CA5260_05 Datasheet
218Kb / 6P
   3MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
CA3130 INTERSIL-CA3130 Datasheet
654Kb / 15P
   15MHz, BiMOS Operational Amplifier with MOSFET Input/CMOS Output
September 1998
HCA10014 INTERSIL-HCA10014 Datasheet
521Kb / 17P
   15MHz, BiMOS Operational Amplifier with MOSFET Input/CMOS Output
August 1999
CA3130 INTERSIL-CA3130_05 Datasheet
935Kb / 17P
   15MHz, BiMOS Operational Amplifier with MOSFET Input/CMOS Output
logo
Renesas Technology Corp
CA3130 RENESAS-CA3130 Datasheet
1Mb / 17P
   15MHz, BiMOS Operational Amplifier with MOSFET Input/CMOS Output
logo
Intersil Corporation
CA5160 INTERSIL-CA5160_03 Datasheet
653Kb / 19P
   4MHz, BiMOS Microprocessor Operational Amplifier with MOSFET Input/CMOS Output
logo
Harris Corporation
CA3410 HARRIS-CA3410 Datasheet
337Kb / 10P
   Quad BiMOS Operational Amplifiers With MOSFET Input, Bipolar Output
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19


Datenblatt Download

Go To PDF Page


Link URL




Privatsphäre und Datenschutz
ALLDATASHEETDE.COM
War ALLDATASHEET hilfreich?  [ DONATE ] 

Über Alldatasheet   |   Werbung   |   Kontakt   |   Privatsphäre und Datenschutz   |   Linktausch   |   Hersteller
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com