CA3130M

Voltage - Input Offset:	8mV
Base Part Number:	CA3130
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Voltage - Supply, Single/Dual (±):	5 V ~ 16 V, ±2.5 V ~ 8 V
Current - Output / Channel:	45mA
Current - Supply:	10mA
Series:	--
Current - Input Bias:	5pA
Gain Bandwidth Product:	15MHz
Slew Rate:	30 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Obsolete
Packaging:	Tube

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<p>CA3130M is an integrated circuit (IC) op-amp from Harris Semiconductor (now Intersil Corporation). It is a low-power CMOS device consisting of a differential input stage with a push-pull output and on-chip current limiting and thermal shut-down, making it highly reliable and suitable for industrial applications. It can be used in both linear and non-linear applications such as gain setting, level detection, voltage to current conversion, current to voltage conversion, active filters and other applications requiring high voltage gain, ac and dc accuracy and low power consumption.</p><p>The CA3130M is a dual op-amp, which is useful in many different applications. The CA3130M has a low offset voltage, low input bias and offset currents and low drift to provide excellent ac and dc accuracy. It has a high common-mode rejection ratio (CMRR) of 90 dB, wide dynamic range and superior performance over temperature. The unit also has a very low noise figure, low distortion and a wide bandwidth of 5 MHz.</p><p>The facility of internal current-limiting and thermal shut-down control makes the CA3130M suitable for use in harsh environments. The device can withstand an input voltage up to +30 V, and can operate from a single power supply voltage of +2 V to +15 V. The CA3130M is a good choice for applications requiring high precision, low power consumption and reliable operation over environmental conditions such as temperature and humidity extremes. </p><p>The CA3130M is usually used in applications such as instrumentation amplifiers, transimpedance amplifiers, active filters, high performance preamplifiers, current- and voltage-to-frequency converters, etc. It is also suitable for low power applications, where the device can work with supply voltages as low as +2 V.</p><p>The working principle of the CA3130M is simple and can be understood by examining the internal circuit blocks. The basic building block of the CA3130M is a dual, high-performance, linear amplifier with an integrated class-A, CMOS push-pull output stage. This output stage is capable of driving loads up to 1 mA, and the resulting high output source impedance is well suited for the low power requirements of portable applications. The dual amplifier has two identical amplification blocks, and the input bias and offset currents of each block can be trimmed independently to eliminate the need for external bias current adjustments.</p><p>The CA3130M has two main parts, the analog amplifier and the output stage. The analog amplifier consists of an input stage with dual precision differential amplifiers and a pair of on-chip gain setting resistors for gain control. The input stage provides differential inputs for wideband signals up to ±5 V. The analog output is buffered by a pair of high-precision voltage followers which act as a unity gain buffer with low power consumption. The output stage is a high-efficiency, push-pull, class-A, CMOS amplifier with a maximum output of±1 mA. This amplifier provides well regulated voltages over a wide range of temperatures and loads, and its low output impedance ensures proper switching between the two gain settings.</p><p>The CA3130M is also well suited for use in AC powerline filtering and active harmonic filtering, as it is designed to operate in a wide range of environmental conditions. It has a high input impedance up to ±40 V, and a wide common-mode range to allow for a variety of operating conditions. Typical applications include active filters, voltage followers, limiters, and differential amplifiers. </p><p>In conclusion, the CA3130M is a versatile and reliable op-amp IC solution which is ideal for a wide variety of industrial and consumer applications. It is capable of providing excellent ac and dc accuracy, low noise and distortion, low power consumption and high common-mode rejection ratio, making it well suited for precision applications in harsh environments.</p>

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