CA3140EZ

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CA3140EZ

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  • メーカー品番 #CA3140EZ

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仕様

属性
Package Tube
ProductStatus Active
AmplifierType General Purpose
NumberofCircuits 1
SlewRate 9V/µs
GainBandwidthProduct 4.5 MHz
Current-InputBias 10 pA
Voltage-InputOffset 5 mV
Current-Supply 4mA
Current-Output/Channel 40 mA
Voltage-SupplySpan(Min) 4 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -55°C ~ 125°C
MountingType Through Hole
Package/Case 8-DIP (0.300, 7.62mm)

概要

Description

The CA3140EZ is a high-performance operational amplifier that combines the advantages of both bipolar and CMOS (complementary metal-oxide-semiconductor) transistors. It features very high input impedance, low input current, and high-speed performance. This op-amp is designed for applications requiring a wide bandwidth and fast slew rate, making it ideal for both analog and digital signal processing. The CA3140EZ can operate at supply voltages ranging from 4V to 36V and typically has a bandwidth of 4.5 MHz.
One of its standout features is the MOSFET input stage, which provides extremely high input impedance and very low input currents. Additionally, the output stage of the CA3140EZ is capable of swinging within 0.1 volts of the supply rails, offering a wide dynamic range. It also includes short-circuit protection and is designed to minimize phase distortion in amplification. Common applications include audio equipment, sensors, and instrumentation. Overall, its combination of speed, precision, and versatility makes it suitable for various high-performance electronic systems.

Equivalent

The CA3140EZ is a BiMOS operational amplifier combining the advantages of both CMOS and bipolar transistors. Equivalent products include:
1. TL081 - A JFET-input operational amplifier with similar characteristics.
2. LM358 - A dual operational amplifier with similar functionality.
3. OPA604 - A low-noise, JFET-input operational amplifier.
4. LT1057 - Dual precision JFET-input operational amplifier.
These alternatives offer varying specifications, so ensure compatibility with your specific application requirements.

Features

The CA3140EZ is a high-performance operational amplifier that combines the advantages of both bipolar and MOS technologies. Key features include:
1. Input Stage: The device includes a high-input impedance PMOS transistor input stage, which provides very low input current.
2. Output Stage: It has a bipolar transistor output stage that offers fast response and high-speed performance.
3. Wide Bandwidth: The CA3140EZ offers a bandwidth of approximately 4.5 MHz.
4. High Slew Rate: It features a high slew rate of around 9 V/μs, making it suitable for applications requiring rapid signal processing.
5. Low Input Current: Typical input current is around 10 pA, and it can operate with input signals that exceed the supply voltage by up to 3 V.
6. Low Noise: The device has low input noise voltage.
7. Versatile Supply Range: It operates over a wide range of supply voltages, from ±4 V to ±18 V.
8. Latch-Up Free: Its design ensures immunity from latch-up.
These features make the CA3140EZ ideal for use in high-performance audio equipment, medical instrumentation, and other analog signal processing applications.

Pinout

The CA3140EZ is an operational amplifier that combines the advantages of both CMOS and bipolar transistors. It is housed in an 8-pin dual in-line package. Here's a brief overview of its pin configuration:
1. Pin 1 (Offset Null 1): Used for offset voltage nulling.
2. Pin 2 (Inverting Input): The input where the inverting signal is applied.
3. Pin 3 (Non-Inverting Input): The input where the non-inverting signal is applied.
4. Pin 4 (V- or Ground): The negative power supply terminal or ground.
5. Pin 5 (Offset Null 2): Used for offset voltage nulling.
6. Pin 6 (Output): The output terminal of the operational amplifier.
7. Pin 7 (V+): The positive power supply terminal.
8. Pin 8 (Strobe): Used for additional functionality like turning off the output stage.
The CA3140EZ is commonly used for applications requiring low input current, such as sample and hold amplifiers, peak detectors, and other precision analog applications.

Manufacturer

The CA3140EZ is manufactured by Renesas Electronics Corporation. Renesas is a Japanese semiconductor company that specializes in the design and manufacture of a wide variety of microcontrollers, microprocessors, and integrated circuits. The company is known for providing solutions for automotive, industrial, infrastructure, and IoT applications. Renesas is recognized for its focus on delivering innovative and sustainable technologies that help improve the performance and reliability of electronic systems across various industries.

Application

The CA3140EZ is a high-performance operational amplifier that combines the advantages of both bipolar and MOS technologies. It is widely used in applications such as high-speed integrators, active filters, sample-and-hold circuits, and comparators. Its high input impedance makes it ideal for electro-medical instrumentation and signal conditioning. Additionally, the CA3140EZ is employed in data acquisition systems, battery-operated devices, and waveform generators due to its low power consumption. Its ability to operate at high frequencies makes it suitable for RF (radio frequency) and telecommunications applications. The device is also used in automotive systems for various sensing and control applications.

Package

The CA3140EZ is an operational amplifier available in a standard 8-pin dual in-line package (DIP). It combines the high-input impedance of a PMOS transistor with the high-speed characteristics of bipolar transistors.

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