Overview
The ADS1174IPAPR is a high-performance, 16-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. This device is designed for applications requiring simultaneous sampling of multiple channels with high precision. It is part of the ADS117x series, which is known for its excellent DC accuracy, superior AC performance, and low power consumption. The ADS1174IPAPR is particularly suited for demanding signal acquisition applications such as power measurement, ECG monitors, and industrial sensors. Its market positioning targets engineers and designers in the medical, industrial, and automotive sectors who require reliable and accurate data conversion solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 16 | bits | |
| Sampling Rate | 52 | kSPS | |
| Input Channels | 4 | Differential, Single-ended | |
| Data Interface | SPI | ||
| Architecture | Delta-Sigma | ||
| Reference Type | External | ||
| Analog Supply Voltage | 5 | V | |
| Digital Supply Voltage | 1.65 - 1.95 | V | |
| Operating Temperature | -40 to 85 | °C | |
| Package | 64-HTQFP | 10x10 mm |
Key Features
- Simultaneous Sampling: Enables precise multi-channel data acquisition, ideal for applications requiring synchronized measurements.
- High SNR: Delivers up to 97 dB signal-to-noise ratio, ensuring accurate signal conversion in noisy environments.
- Low Power Consumption: Optimized for energy-efficient operation, making it suitable for portable and battery-powered devices.
- Flexible Power Modes: Supports speed-optimized (52 kSPS) or power-optimized modes for tailored performance.
- Robust DC and AC Performance: Combines high DC accuracy with excellent AC characteristics, suitable for both industrial and audio applications.
Applications
The ADS1174IPAPR is widely used in various industries due to its high precision and reliability. In the medical field, it is employed in ECG monitors and defibrillators for accurate signal processing. In industrial automation, it is utilized in pressure sensors, Coriolis flow meters, and vibration analysis systems. Additionally, it finds applications in automotive electronics for advanced driver-assistance systems (ADAS) and engine control units (ECUs). Its ability to handle multiple channels simultaneously makes it a versatile choice for complex measurement tasks.
Q & A
1. What is the resolution of the ADS1174IPAPR?
The ADS1174IPAPR has a resolution of 16 bits.
2. What is the maximum sampling rate of this ADC?
The maximum sampling rate is 52 kSPS.
3. How many input channels does it support?
It supports 4 input channels, which can be configured as differential or single-ended.
4. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
5. What type of data interface does it use?
It uses an SPI interface for data communication.
6. Is an external reference required?
Yes, the ADS1174IPAPR requires an external reference voltage.
7. What is the analog supply voltage range?
The analog supply voltage is 5V.
8. Can it operate in low-power mode?
Yes, it supports power-optimized modes for low-power operation.
9. What is the package type of the ADS1174IPAPR?
It comes in a 64-HTQFP package measuring 10x10 mm.
10. What are the typical applications of this ADC?
Typical applications include medical devices, industrial sensors, and automotive electronics.
