Operational transconductance amplifiers ota selection. Ca 2mhz, operational transconductance amplifier ota from old datasheet system part no. Widebandwidth, operational transconductance amplifier ota. Ca3080, ca3080a data sheet september 1998 file number 475.
Ca3080, ca3080a 2mhz, operational transconductance ampli. Ca3094, ca3094a, ca3094b experimentalists anonymous. No limitationoperating conditions datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Intersil, alldatasheet, datasheet, datasheet search site for.
Download ca3080e datasheet from harris semiconductor. Minimizing distortion in operational transconductance. The wide acceptance of this new circuit concept prompted the development of the single, highly linear operationaltransconductanceamplifiet, the ca3080. The ota is similar to a standard operational amplifier in that it has a high impedance differential input stage and. The ca3080 and ca3080a types have differential input and a. The ca3080 is actually a simple, firstgeneration ota that generates fairly high levels of signal distortion and has a highimpedance unbuffered output. By using pnp transistors, we can make a current mirror in which we suck current from below and the mirror blows an equal current from above. Ca3080 datasheet pdf the ca and caa types are gatablegain blocks which utilize the unique operationaltransconductanceamplifier. Operational transconductance amplifiers ota selection guide. Use of the information on this site may require a license from a third party, or a license from datasbeet. Jun 28, 2019 the us is the rata exporter of industrial controls which use lots of linear ics. Ca3080 datasheet pdf intersil datasheet pdf search site.
Ca3080 datasheet, ca3080 datasheets, ca3080 pdf, ca3080 circuit. The ota or voltagecontrolled current source can be viewed as an ideal transistor. This is also an opportunity to build a better discrete ota. It was thought that the ca3080 was to become obsolete after intersil announced they would discontinue manufacturing, however rochester electronics managed to acquire the remaining wafer stock and are reissuing the chips.
As shown in the internal wiring diagram of figure 2, the core of the lm700 is a differential ampli. You more or less always have to consider how you can make an available ota such as the lm700 work in place of a ca3080. May 07, 2019 ca3280 datasheet pdf posted on may 7, 2019 by admin intersil corporation ca datasheet, dual 9mhz operational transconductance amplifier ota 1page, ca datasheet, ca pdf, ca ca, caa data sheet may fn dual, 9mhz, operational transconductance amplifier ota the ca and caa types consist of. Ca3080 data sheet pdf the ca and caa types are gatablegain blocks. Harris semiconductor ca3080, to, ca3080m96 datasheet pdf. These are genuine dip8 ca3080ae ota chips, made by rochester electronics.
Schematic diagram of ota types ca3080 and ca3080a the gm of a differential amplifier is, devices. This months concluding episode describes an improved secondgeneration ota ic the lm700 which does not suffer from these snags. The ca3080 and ca3080a types are gatablegain blocks which utilize the unique operational transconductanceamplifier ota concept described in application note an6668, applications of the ca3080 and ca3080a highperformance operational transconductance. Solid state circuits, sc rca application note text. Mar 31, 2020 ca3080 datasheet pdf the ca and caa types are gatablegain blocks which utilize the unique operationaltransconductanceamplifier. Lm3080 operational transconductance amplifier generaldescription the lm3080 is a programmable transconductance block intended to fulfill a wide variety of variable gain applications the lm3080 has differential inputs and high impedance pushpull outputs the device has high input impedance and its transconductance gm is directly proportional. Ca3080 pdf datasheet,2mhz, operational transconductance. The ca3140a and ca3140 bimos operational amplifiers. The ota is similar to a standard operational amplifier in that it. Ca3080 datasheet, ca3080 pdf, ca3080 pinout, equivalent, replacement 2mhz operational transconductance amplifier intersil, schematic, circuit, manual. Nte must know that intersil ran out of cas, though, because the price has gone up about threefold since i bought them. Some simple test jigs from the ti datasheet for the lm700. Ca3086 datasheet university of california, berkeley. I need the protel spice models fur ca3080 and ca3140.
Applications of the ca3080 highperformance operational. Ca3080e datasheet, ca3080e pdf, ca3080e data sheet, ca3080e manual, ca3080e pdf, ca3080e, datenblatt, electronics ca3080e, alldatasheet, free, datasheet, datasheets. Ct rodu nt lete p eplaceme at obso ded r ter en rt cen tsc comm suppo no re r technical. Specifications like voltagecontrolled current sources vccs, otas represent an ideal transistor. It was also motivated by the fact that the datasheets for commonly available ota ic contain way too much handwaving and errors, some of them not very easy to spot. The inputs to the buffers are grounded and outputs are open. Ca3080 pdf, ca3080 description, ca3080 datasheets, ca3080.
Ca3080 datasheet description,intersil corporation ca3080 pdf,2mhz, operational transconductance amplifier. Concerned electronic music folks could make lifetime buys and do fine. Like a transistor, it has closedloop buffer three terminalsa high impedance input base, a wide bandwidth 1600mhz, v o 1v pp lowimpedance inputoutput emitter, and the current high slew rate 4000vs output collector. Aug 03, 2019 ca datasheet, ca pdf, ca pinout, ca equivalent, ca replacement 2mhz operational transconductance amplifier intersil, schematic, circuit, manual ca datasheet pdf 2mhz operational transconductance amplifier. The dependence of openloop bandwidth, closedloop bandwidth, and frequency responses are similar to those of conventional operational amplifiers, however.
The maximum levelshift from input to output is low approximately 2mv for the ca3080a and 5mv for the ca3080. Ca3080e datasheet pdf 2mhz, operational transconductance. The ca3080 and ca3080a types are gatablegain blocks which utilize the unique operationaltransconductanceamplifier ota concept described in application note an6668, applications of the ca3080 and ca3080a high performance operational transconductance amplifiers. The operational transconductance amplifier ota is an amplifier whose differential input voltage produces an output current. Ca datasheet, ca pdf, ca data sheet, datasheet, data sheet, pdf, harris semiconductor, 2mhz, operational transconductance amplifier ota.
Note, no resistors are required to make a current mirror. Gateprotected pchannel mosfet pmos transistors are used in the input circuit to provide veryhighinput impedance, verylowinput current, and exceptional. The ca and caa are similar in generic form to conventional operational. Intersil 2mhz, operational transconductance amplifier ota,alldatasheet, datasheet, datasheet. This shift is determined by the amplifier input offset voltage of the particular device used, because the openloop. The maximum levelshift from input to output is low approximately 2mv for the ca3080a and 5mv. Cd4049ub, cd4050b schs046j august 1998revised september 2016 cd4049ub and cd4050b cmos hex inverting buffer and converter 1 1 features. A 3080 c a 3080a c a 3080ae c a 3080am 3080a ca 3080am 96 3080a c a 3080e c a 3080m 3080 c a, pinouts ca 3080 m e tal ca n to p view note. Ca3080 datasheet operational transconductance amplifier. Pdf ca3080 an6668 ca3080a 3n8 modulation using ota 3n8 mosfet ca3741 ca3080 amp analog multiplier 2n4037. Ca3080e datasheet, ca3080e pdf, ca3080e data sheet, ca3080e manual, ca3080e. Sanchezsinencio abstract basic properties of the operational transconductance amplifier ota are discussed.
One thing that seems to be generally true is that you can always use just 12 of a dual. Sync, yeah, i know about that ca, caa data sheet september file number ca 2mhz, operational transconductance amplifier ota from old datasheet system part no. Data sheet ww t ou contac tersil or w 8in 188 ca3080, ca3080a august 2004 fn475. The ca3080 and ca3080a types are gatablegain blocks which utilize the unique operationaltransconductanceampli. There is usually an additional input for a current to control the amplifiers transconductance. As a result, a basic ota can be made with just two transistors, and is a good starting point for understanding ota. Ca3080e datasheet, ca3080e data sheet pdf,ca3080e manual. An important notice at the end of this data sheet addresses availability, warranty, changes, use in safetycritical applications, intellectual property matters and other important disclaimers.
The us is the rata exporter of industrial controls which use lots of linear ics. For ota circuits that use negative feedback, there is a very close relationship between the closedloop bandwidth, the amplifier bias current, and the closedloop gain. Wittlirw in 1969, rca introduced the first triple operational transconductanceamplifier or ota. Applications of the ca highperformance operational. Ca3080 datasheet, ca3080 data sheet pdf,ca3080 manual. Thus, it is a voltage controlled current source vccs. Ca3, ca3a 15mhz, bimos operational amplifier with mosfet inputcmos output datasheet ca3a and ca3 are op amps that combine the advantage of both cmos and bipolar transistors.