Overview
The ADC1243D250HD-C1 is a high-performance analog-to-digital converter (ADC) from Renesas Electronics America Inc. This 24-bit delta-sigma ADC is designed for precision data acquisition and is known for its high resolution and low noise characteristics. It is particularly suited for applications requiring high accuracy and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits (no missing codes) |
| Effective Resolution | Up to 21 bits (PGA = 1), up to 19 bits (PGA = 128) |
| Programmable Gain | 1 to 128 |
| Supply Voltage Range | 2.7V to 5.25V |
| Power Consumption | Approx. 600 µW (PGA = 1, Buffer OFF) |
| Operating Temperature Range | –40°C to +85°C |
| Integral Nonlinearity (INL) | ±0.0015% of FS |
| Offset Error | 7.5 ppm of FS |
| Common-Mode Rejection Ratio (CMRR) | 120 dB at DC and 60 Hz |
Key Features
- High resolution of 24 bits with no missing codes
- Programmable gain amplifier (PGA) with gains from 1 to 128
- Simultaneous 50Hz and 60Hz rejection (–90dB minimum)
- Single-cycle settling and programmable data output rates
- External differential reference input range of 0.1V to 5V
- On-chip calibration and SPI™ compatible interface
- Low power consumption and sleep mode for power efficiency
Applications
The ADC1243D250HD-C1 is ideal for various precision data acquisition applications, including industrial automation, medical devices, test and measurement equipment, and environmental monitoring systems. Its high resolution and low noise make it suitable for applications requiring accurate and reliable data conversion.
Q & A
- What is the resolution of the ADC1243D250HD-C1? The ADC1243D250HD-C1 has a resolution of 24 bits with no missing codes.
- What is the range of the programmable gain amplifier (PGA)? The PGA has gains ranging from 1 to 128.
- What is the supply voltage range for this ADC? The supply voltage range is from 2.7V to 5.25V.
- How much power does the ADC consume? The power consumption is approximately 600 µW when PGA = 1 and the buffer is off.
- What is the operating temperature range of the ADC? The operating temperature range is from –40°C to +85°C.
- What is the integral nonlinearity (INL) of the ADC? The INL is ±0.0015% of FS.
- Does the ADC have on-chip calibration? Yes, the ADC has on-chip calibration.
- What interface does the ADC use? The ADC uses an SPI™ compatible interface.
- Is the ADC suitable for low power applications? Yes, the ADC has a sleep mode and low power consumption features.
- What are some common applications for this ADC? Common applications include industrial automation, medical devices, test and measurement equipment, and environmental monitoring systems.
