規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| NumberofBits | 24 |
| SamplingRate(PerSecond) | 144k |
| NumberofInputs | 4 |
| InputType | Differential |
| DataInterface | SPI |
| Configuration | ADC |
| NumberofA/DConverters | 4 |
| Architecture | Sigma-Delta |
| ReferenceType | External |
| Voltage-SupplyAnalog | 5V |
| Voltage-SupplyDigital | 1.65V ~ 1.95V |
| OperatingTemperature | -40°C ~ 125°C |
| Package/Case | 64-PowerTQFP |
| SupplierDevicePackage | 64-HTQFP (10x10) |
概述
Description
The ADS1274IPAPR is a 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC) from Texas Instruments, designed for high-precision data acquisition.
### Key Features:
- Resolution: 24-bit
- Sampling Rate: Up to 128 kSPS (high-speed mode)
- Channels: 4 simultaneous sampling channels
- Interface: SPI-compatible serial interface
- Power Modes: Supports high-speed, high-resolution, and low-power modes
- Dynamic Range: Excellent SNR (up to 111 dB)
- Package: 64-pin TQFP (IPAPR)
### Applications:
- Industrial process control
- Medical instrumentation
- Seismic monitoring
- Audio/vibration analysis
### Advantages:
- Low noise and high accuracy
- Flexible power/performance trade-offs
- Robust performance in harsh environments
Ideal for systems requiring high-resolution, multi-channel data conversion with minimal noise.
### Key Features:
- Resolution: 24-bit
- Sampling Rate: Up to 128 kSPS (high-speed mode)
- Channels: 4 simultaneous sampling channels
- Interface: SPI-compatible serial interface
- Power Modes: Supports high-speed, high-resolution, and low-power modes
- Dynamic Range: Excellent SNR (up to 111 dB)
- Package: 64-pin TQFP (IPAPR)
### Applications:
- Industrial process control
- Medical instrumentation
- Seismic monitoring
- Audio/vibration analysis
### Advantages:
- Low noise and high accuracy
- Flexible power/performance trade-offs
- Robust performance in harsh environments
Ideal for systems requiring high-resolution, multi-channel data conversion with minimal noise.
Equivalent
Equivalent products to the ADS1274IPAPR (a 24-bit, 128 kSPS, 4-channel delta-sigma ADC) include:
- ADS1278IPAPR (8-channel version)
- ADS1274IPAPT (TQFP package variant)
- ADS127L01 (similar performance, newer family)
- AD7768-4 (Analog Devices' 24-bit, 4-channel alternative)
- LTC2500-32 (Linear Tech's 32-bit, single-channel option)
These offer comparable resolution, speed, or channel count. Check datasheets for exact specs.
- ADS1278IPAPR (8-channel version)
- ADS1274IPAPT (TQFP package variant)
- ADS127L01 (similar performance, newer family)
- AD7768-4 (Analog Devices' 24-bit, 4-channel alternative)
- LTC2500-32 (Linear Tech's 32-bit, single-channel option)
These offer comparable resolution, speed, or channel count. Check datasheets for exact specs.
Features
The ADS1274IPAPR is a 24-bit, delta-sigma ADC with the following key features:
- Channels: 4 simultaneous sampling channels.
- Resolution: 24-bit with high linearity (INL: ±5 ppm).
- Data Rates: Up to 144 kSPS (high-speed mode) or 52 kSPS (high-resolution mode).
- Interface: SPI-compatible serial interface.
- Power Supply: Dual-supply operation (±2.5V analog, 1.8V–3.3V digital).
- Power Consumption: 75 mW/channel (high-speed mode), 30 mW/channel (low-power mode).
- Dynamic Range: 109 dB (high-resolution mode).
- Package: 64-pin TQFP (HTQFP-64).
- Operating Temp: –40°C to +105°C (industrial grade).
Ideal for industrial, medical, and audio applications requiring high precision and low noise.
- Channels: 4 simultaneous sampling channels.
- Resolution: 24-bit with high linearity (INL: ±5 ppm).
- Data Rates: Up to 144 kSPS (high-speed mode) or 52 kSPS (high-resolution mode).
- Interface: SPI-compatible serial interface.
- Power Supply: Dual-supply operation (±2.5V analog, 1.8V–3.3V digital).
- Power Consumption: 75 mW/channel (high-speed mode), 30 mW/channel (low-power mode).
- Dynamic Range: 109 dB (high-resolution mode).
- Package: 64-pin TQFP (HTQFP-64).
- Operating Temp: –40°C to +105°C (industrial grade).
Ideal for industrial, medical, and audio applications requiring high precision and low noise.
Pinout
The ADS1274IPAPR is a 24-bit delta-sigma ADC with the following key details:
- Pin Count: 64 (TQFP package).
- Functions:
- 4-channel simultaneous sampling.
- SPI or frame-sync serial interface.
- Modulator output option for post-processing.
- Differential inputs with high impedance.
- Power-down mode for low standby current.
- Reference input (external or internal buffer).
- Clock input for sampling control.
It operates at up to 144 kSPS and supports ±2.5V analog input range. Typical applications include industrial sensors, vibration analysis, and medical instrumentation.
- Pin Count: 64 (TQFP package).
- Functions:
- 4-channel simultaneous sampling.
- SPI or frame-sync serial interface.
- Modulator output option for post-processing.
- Differential inputs with high impedance.
- Power-down mode for low standby current.
- Reference input (external or internal buffer).
- Clock input for sampling control.
It operates at up to 144 kSPS and supports ±2.5V analog input range. Typical applications include industrial sensors, vibration analysis, and medical instrumentation.
Manufacturer
The ADS1274IPAPR is manufactured by Texas Instruments (TI), a leading global semiconductor company. TI specializes in designing and producing analog and embedded processing chips for various industries, including industrial, automotive, consumer electronics, and communications. Known for its high-performance data converters, TI's ADS1274IPAPR is a precision, 24-bit delta-sigma ADC (analog-to-digital converter) used in demanding applications like medical instrumentation and test equipment.
TI, founded in 1930 and headquartered in Dallas, Texas, is renowned for innovation in analog and digital signal processing technologies.
TI, founded in 1930 and headquartered in Dallas, Texas, is renowned for innovation in analog and digital signal processing technologies.
Application
The ADS1274IPAPR is a high-precision, 24-bit delta-sigma ADC designed for demanding applications requiring high-resolution data acquisition. Key application areas include:
1. Industrial Automation – Process control, PLCs, and instrumentation.
2. Medical Equipment – Patient monitoring, ECG, and ultrasound systems.
3. Test & Measurement – Precision analyzers and data loggers.
4. Energy Monitoring – Power quality analysis and smart grid systems.
5. Audio & Acoustics – Professional audio equipment and noise analysis.
Its high dynamic range, low noise, and multi-channel capability make it ideal for high-accuracy signal processing.
1. Industrial Automation – Process control, PLCs, and instrumentation.
2. Medical Equipment – Patient monitoring, ECG, and ultrasound systems.
3. Test & Measurement – Precision analyzers and data loggers.
4. Energy Monitoring – Power quality analysis and smart grid systems.
5. Audio & Acoustics – Professional audio equipment and noise analysis.
Its high dynamic range, low noise, and multi-channel capability make it ideal for high-accuracy signal processing.
Package
The ADS1274IPAPR is packaged in a 64-pin TQFP (Thin Quad Flat Package). This surface-mount package has a compact form factor with a 10mm × 10mm body size and a 0.5mm pin pitch, suitable for high-density PCB designs. The "PAP" suffix denotes the TQFP package type, while "R" indicates tape-and-reel packaging for automated assembly.