仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Number of Bits | 24 |
| Sampling Rate(Per Second) | 30k |
| Number of Inputs | 4, 8 |
| Input Type | Differential, Single Ended |
| Data Interface | SPI |
| Configuration | MUX-PGA-ADC |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 1.8V ~ 3.6V |
| Features | PGA |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 28-SSOP |
概要
Description
The ADS1256IDBT is a 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC) from Texas Instruments, designed for high-precision measurement applications. It features low noise, high resolution, and flexible input configurations, supporting single-ended or differential inputs with programmable gain (1–64).
Key specifications:
- 30kSPS max sampling rate
- Ultra-low noise (0.8μV RMS at 30SPS)
- SPI-compatible serial interface
- Integrated PGA (Programmable Gain Amplifier)
- 2.5V internal voltage reference
Ideal for industrial sensors, weigh scales, medical instruments, and data acquisition systems, the ADS1256IDBT operates from ±2.5V to ±5V supplies and comes in a TSSOP-28 package. Its on-chip calibration ensures accuracy, while low power consumption (38mW typical) suits portable devices.
For detailed usage, refer to the datasheet for register configurations and timing diagrams.
Key specifications:
- 30kSPS max sampling rate
- Ultra-low noise (0.8μV RMS at 30SPS)
- SPI-compatible serial interface
- Integrated PGA (Programmable Gain Amplifier)
- 2.5V internal voltage reference
Ideal for industrial sensors, weigh scales, medical instruments, and data acquisition systems, the ADS1256IDBT operates from ±2.5V to ±5V supplies and comes in a TSSOP-28 package. Its on-chip calibration ensures accuracy, while low power consumption (38mW typical) suits portable devices.
For detailed usage, refer to the datasheet for register configurations and timing diagrams.
Equivalent
Equivalent products to the ADS1256IDBT (24-bit ADC) include:
- ADS1258 (16-channel, lower power)
- ADS1262/1263 (Higher precision, 32-bit)
- LTC2440 (24-bit, Delta-Sigma)
- MCP3551 (22-bit, lower cost)
- MAX11270 (24-bit, low-noise)
These alternatives vary in channels, resolution, and features but serve similar high-precision ADC applications. Check datasheets for exact specs.
- ADS1258 (16-channel, lower power)
- ADS1262/1263 (Higher precision, 32-bit)
- LTC2440 (24-bit, Delta-Sigma)
- MCP3551 (22-bit, lower cost)
- MAX11270 (24-bit, low-noise)
These alternatives vary in channels, resolution, and features but serve similar high-precision ADC applications. Check datasheets for exact specs.
Features
The ADS1256IDBT is a high-precision, 24-bit delta-sigma ADC with the following key features:
- Resolution: 24-bit, no missing codes.
- Data Rate: Up to 30 kSPS (programmable).
- Input Channels: 8 single-ended or 4 differential.
- Input Range: ±2.5V (5V differential).
- Low Noise: 0.8 µV RMS at 2.5V ref, 30SPS.
- INL: ±10 ppm (max).
- Interface: SPI-compatible.
- Power Supply: 3.3V–5V (analog & digital).
- Onboard Features: PGA (1–64), self/digital calibration, buffered inputs.
- Package: TSSOP-28.
Ideal for industrial sensors, weigh scales, and medical instruments.
- Resolution: 24-bit, no missing codes.
- Data Rate: Up to 30 kSPS (programmable).
- Input Channels: 8 single-ended or 4 differential.
- Input Range: ±2.5V (5V differential).
- Low Noise: 0.8 µV RMS at 2.5V ref, 30SPS.
- INL: ±10 ppm (max).
- Interface: SPI-compatible.
- Power Supply: 3.3V–5V (analog & digital).
- Onboard Features: PGA (1–64), self/digital calibration, buffered inputs.
- Package: TSSOP-28.
Ideal for industrial sensors, weigh scales, and medical instruments.
Application
The ADS1256IDBT is a high-precision, 24-bit delta-sigma ADC used in applications requiring accurate analog-to-digital conversion. Key areas include:
- Industrial Automation (sensor interfaces, process control)
- Medical Instruments (ECG, patient monitoring)
- Test & Measurement (data acquisition, weigh scales)
- Energy Monitoring (smart meters, power analyzers)
- Seismic & Geophysical Equipment (low-frequency signal analysis)
Its low noise, high resolution, and flexible input options make it ideal for precision measurement systems.
- Industrial Automation (sensor interfaces, process control)
- Medical Instruments (ECG, patient monitoring)
- Test & Measurement (data acquisition, weigh scales)
- Energy Monitoring (smart meters, power analyzers)
- Seismic & Geophysical Equipment (low-frequency signal analysis)
Its low noise, high resolution, and flexible input options make it ideal for precision measurement systems.
