Analog Devices Inc. LTC1864LACS8#PBF

Analog Devices Inc. Part Number LTC1864LACS8#PBF（Data Acquisition - Analog to Digital Converters (ADC)）, developed and manufactured by Analog Devices Inc., distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.

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Introducing the Analog Devices Inc. LTC1864LACS8#PBF, a high-performance, 16-bit analog-to-digital converter (ADC) designed to meet the demanding requirements of precision measurement applications. With its exceptional accuracy and low power consumption, this ADC is the perfect solution for a wide range of industrial, medical, and scientific applications. The LTC1864LACS8#PBF boasts an impressive 16-bit resolution, providing precise and reliable measurements even in the most challenging environments. Its high-speed sampling rate of up to 250ksps ensures fast and accurate data acquisition, enabling real-time monitoring and control. Additionally, the low power consumption of this ADC makes it ideal for battery-powered applications, extending the device's operating time. This ADC features a wide input voltage range of 0V to VREF, allowing for versatile signal conditioning and compatibility with various sensor types. The integrated precision reference ensures consistent and accurate measurements, eliminating the need for external references. The LTC1864LACS8#PBF is equipped with a flexible serial interface, enabling easy integration into existing systems. Its small form factor and low profile package make it suitable for space-constrained applications. From industrial automation and process control to medical diagnostics and scientific instrumentation, the LTC1864LACS8#PBF excels in a wide range of application fields. Its exceptional performance, low power consumption, and versatile features make it the go-to choice for precision measurement applications. Trust Analog Devices Inc. LTC1864LACS8#PBF to deliver accurate and reliable measurements, enabling you to take your applications to new heights of performance and efficiency.

Analog to digital Converters (ADCs) are electronic devices used to convert continuously varying Analog signals into discrete Digital signals. This process usually includes three steps: sampling, quantization and coding. Sampling means capturing the instantaneous value of an analog signal at a fixed frequency; Quantization approximates these transient values to the nearest discrete level; Finally, the encoding converts the quantized value into binary numeric form.

ADCs（Analog-to-digital Converters） is widely used in a variety of scenarios, such as audio and video recording, measuring instruments, wireless communications, medical devices, and automotive electronics. For example, in audio devices, the ADC is responsible for converting the sound signal captured by the microphone into a digital format for easy storage and transmission.

• 1. How many types of ADC are there?

  The types of ADC (Analog-to-Digital Converter) mainly include:
  1. Integral ADC: Its working principle is to convert the input voltage into time (pulse width signal) or frequency (pulse frequency), and then obtain the digital value by the timer/counter. The advantage of the integral ADC is that it can obtain high resolution with a simple circuit and has strong anti-interference ability, but the disadvantage is that the conversion rate is extremely low because the conversion accuracy depends on the integration time.
  2. Successive approximation type (SAR ADC): The successive approximation ADC is one of the most common architectures. Its basic principle is to convert by gradually approximating the value of the analog input signal. The advantages of the successive approximation ADC are high speed and low power consumption. It is cheap at low resolution, but expensive at high precision.
  3. Parallel comparison type/serial-parallel comparison type ADC: The parallel comparison type AD uses m

• 2. How to convert analog to digital without ADC?

  Analog to digital conversion without ADC can be achieved through PWM circuit. This method is suitable for those main control chips without built-in ADC, which needs to be solved by two GPIOs and an operational amplifier. The basic principle is to use an integral circuit to convert the PWM wave into a smooth DC voltage, and then continuously adjust the PWM duty cycle by comparing it with the voltage to be measured until the output of the comparator changes from 0 to 1, and record the current PWM duty cycle, thereby realizing the measurement of the analog voltage.

• 3. What is the principle of analog-to-digital converters?

  The working principle of the analog-to-digital converter (ADC) is to convert analog signals into digital signals through four processes: sampling, holding, quantization, and encoding.
  The main components of the analog-to-digital converter include samplers and quantizers, which work together to convert continuous analog signals into discrete digital signals. This process requires a reference analog quantity as a standard, and the maximum convertible signal size is usually used as the reference standard. The basic principles of the analog-to-digital converter can be summarized as follows:
  Sampling: The analog-to-digital converter first samples the input analog signal through a sampling circuit, that is, discretizes the analog signal on the time axis.
  Holding: The sampled signal is held by the holding circuit for the next quantization and encoding process.
  Quantization: The quantization process is to divide the amplitude of the sampled and held analog signal into a finite number of le