| ADS1256 Description |
| 24 Bit, 30kSPS Very Low Noise Delta-Sigma ADC with Multiplexer |
| ADS1256 Vendor |
| Texas Instruments |
| ADS1256 Categories |
|
| ADS1256 Features |
- 24 Bits, No Missing Codes
- All Data Rates and PGA Settings
- Up to 23 Bits Noise-Free Resolution
- ±0.0010% Nonlinearity (max)
- Data Output Rates to 30kSPS
- Fast Channel Cycling
- 18.6 Bits Noise-Free (21.3 Effective Bits) at 1.45kHz
- One-Shot Conversions with Single-Cycle Settling
- Flexible Input Multiplexer with Sensor Detect
- Four Differential Inputs (ADS1256 only)
- Eight Single-Ended Inputs (ADS1256 only)
- 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
- Analog Supply: 5V
- Digital Supply: 1.8V to 3.6V
- Power Dissipation
- As Low as 38mW in Normal Mode
- 0.4mW in Standby Mode
- APPLICATIONS
- Weigh Scales
- Scientific Instrumentation
- Industrial Process Control
- Medical Equipment
- Test and Measurement
|
| ADS1256 Datasheet and Application Notes |
|
| Parameter | Value |
| Resolution (Bits) | 24 |
| Sample Rate (max) | 30kSPS |
| Search Sample Rate (Max) (SPS) | 30000 |
| Architecture | Delta-Sigma |
| # Input Channels (SE) | 8 |
| # Input Channels (Diff) | 4 |
| Power Consumption (Typ) (mW) | 36 |
| Bipolar | No |
| DNL (Max) (+/-LSB) | 1 |
| INL (Max) (+/-LSB) | |
| INL (+/- %) (Max) | 0.001 |
| No Missing Codes (Bits) | 24 |
| ENOB (Bits) | 23 |
| Analog Voltage AV/DD (Min) (V) | 4.75 |
| Analog Voltage AV/DD (Max) (V) | 5.25 |
| Logic Voltage DV/DD (Min) (V) | 1.8 |
| Logic Voltage DV/DD (Max) (V) | 3.6 |
| Input Type | Voltage |
| Input Configuration Range | |
| No. of Supplies | 2 |
| Pin/Package | 28SSOP |
| Approx. 1KU Price (US$) | 8.95 |
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