ADC32RF83IRMPT vs ADS5263IRGCT-NM
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| Category | Data Acquisition - Analog to Digital Converters (ADC) | Data Acquisition - Analog to Digital Converters (ADC) |
| Manufacturer | Texas Instruments | Texas Instruments |
| Description | IC ADC 14BIT 72VQFN | IC ADC 16BIT PIPELINED 64VQFN |
| Package | Tray | Tape & Reel (TR) |
| Series | - | - |
| Features | - | Simultaneous Sampling |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 72-VFQFN Exposed Pad | 64-VFQFN Exposed Pad |
| Supplier Device Package | 72-VQFN (10x10) | 64-VQFN (9x9) |
| Reference Type | External | External, Internal |
| Sampling Rate (Per Second) | 3G | 100M |
| Data Interface | JESD204B | LVDS - Serial |
| Number of Bits | 14 | 16 |
| Voltage - Supply, Analog | 1.1V ~ 2V | 3V ~ 3.6V |
| Voltage - Supply, Digital | 1.1V ~ 1.2V | 1.7V ~ 1.9V |
| Number of Inputs | 2 | 4 |
| Input Type | Differential | Differential |
| Configuration | ADC | S/H-ADC |
| Ratio - S/H:ADC | 0:1 | 1:1 |
| Number of A/D Converters | 2 | 4 |
| Architecture | - | Pipelined |
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1. How does ADC convert analog to digital?
The technology that converts analog sound signals into digital signals is called analog-to-digital conversion technology (Analog to Digital Converter, referred to as ADC). The function of ADC is to convert continuously changing analog signals into discrete digital signals. The process of analog-to-digital conversion can be completed by steps such as sampling, holding, quantization, and encoding.
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2. What is analog data acquisition?
Analog data acquisition refers to the process of converting continuously changing signals of physical quantities into digital signals so that computers can process and record these signals. This process involves the use of an analog quantity collector, which is a hardware device that can convert analog signals of physical quantities into digital signals and then transmit them to a computer for processing and recording.
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3. 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 -
4. 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.
