Overview
The ADS1256IDBTG4, produced by Texas Instruments, is an extremely low-noise, 24-bit analog-to-digital (A/D) converter. It is part of the ADS1255 and ADS1256 family, designed to provide complete high-resolution measurement solutions for the most demanding applications. The converter utilizes a 4th-order, delta-sigma (ΔΣ) modulator followed by a programmable digital filter, making it suitable for scientific instrumentation, industrial process control, medical equipment, test and measurement, and weigh scales.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 Bits, No Missing Codes |
| Data Output Rates | Up to 30k SPS |
| Noise-Free Resolution | Up to 23 Bits |
| Nonlinearity | ±0.0010% (max) |
| Input-Referred Noise | 27nV |
| Analog Supply | 5V |
| Digital Supply | 1.8V to 3.6V |
| Power Dissipation (Normal Mode) | As Low as 38mW |
| Power Dissipation (Standby Mode) | 0.4mW |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | SSOP-28 |
Key Features
- 24 Bits, No Missing Codes
- Up to 23 Bits Noise-Free Resolution
- Data Output Rates to 30k SPS
- Fast Channel Cycling
- One-Shot Conversions with Single-Cycle Settling
- Flexible Input Multiplexer with Sensor Detect
- Four Differential Inputs and Eight Single-Ended Inputs
- Chopper-Stabilized Input Buffer
- Low-Noise PGA: 27nV Input-Referred Noise
- Self and System Calibration for All PGA Settings
- 5V Tolerant SPI-Compatible Serial Interface
Applications
- Scientific Instrumentation
- Industrial Process Control
- Medical Equipment
- Test and Measurement
- Weigh Scales
Q & A
- What is the resolution of the ADS1256IDBTG4? The ADS1256IDBTG4 has a resolution of 24 bits with no missing codes.
- What are the data output rates of the ADS1256IDBTG4? The data output rates can go up to 30k samples per second (SPS).
- What is the noise-free resolution of the ADS1256IDBTG4? The noise-free resolution is up to 23 bits.
- What is the nonlinearity of the ADS1256IDBTG4? The nonlinearity is ±0.0010% (max).
- What is the input-referred noise of the ADS1256IDBTG4? The input-referred noise is 27nV.
- What are the power supply requirements for the ADS1256IDBTG4? The analog supply is 5V, and the digital supply is 1.8V to 3.6V.
- What is the power dissipation of the ADS1256IDBTG4 in normal and standby modes? The power dissipation is as low as 38mW in normal mode and 0.4mW in standby mode.
- What is the operating temperature range of the ADS1256IDBTG4? The operating temperature range is -40°C to 85°C.
- What type of package does the ADS1256IDBTG4 come in? The ADS1256IDBTG4 is packaged in an SSOP-28.
- What are some of the key applications of the ADS1256IDBTG4? Key applications include scientific instrumentation, industrial process control, medical equipment, test and measurement, and weigh scales.
