Datasheet Texas Instruments ADS1257
| Manufacturer | Texas Instruments |
| Series | ADS1257 |
24-bit, 30kSPS, 4-Ch, industrial ADC with integrated PGA in QFN package
Datasheets
ADS1257 30-kSPS, 4-Channel, 24-Bit ADC with PGA in 5-mm Г— 5-mm VQFN Package datasheet
PDF, 1.4 Mb, Revision: B, File published: Apr 19, 2016
Extract from the document
Prices
Status
| ADS1257IRGWR | ADS1257IRGWT | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | No |
Packaging
| ADS1257IRGWR | ADS1257IRGWT | |
|---|---|---|
| N | 1 | 2 |
| Pin | 20 | 20 |
| Package Type | RGW | RGW |
| Industry STD Term | VQFN | VQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N |
| Package QTY | 3000 | 250 |
| Carrier | LARGE T&R | SMALL T&R |
| Device Marking | ADS1257 | ADS1257 |
| Width (mm) | 5 | 5 |
| Length (mm) | 5 | 5 |
| Thickness (mm) | .9 | .9 |
| Pitch (mm) | .65 | .65 |
| Max Height (mm) | 1 | 1 |
| Mechanical Data | Download | Download |
Parametrics
| Parameters / Models | ADS1257IRGWR | ADS1257IRGWT |
|---|---|---|
| # Input Channels | 4 | 4 |
| Analog Voltage AVDD(Max), V | 5.25 | 5.25 |
| Analog Voltage AVDD(Min), V | 4.75 | 4.75 |
| Architecture | Delta-Sigma | Delta-Sigma |
| Digital Supply(Max), V | 3.6 | 3.6 |
| Digital Supply(Min), V | 1.8 | 1.8 |
| Input Range(Max), V | 5.25 | 5.25 |
| Input Type | Differential,Single-Ended | Differential,Single-Ended |
| Integrated Features | 50/60 Hz Rejection,GPIO,PGA | 50/60 Hz Rejection,GPIO,PGA |
| Interface | SPI | SPI |
| Multi-Channel Configuration | Multiplexed | Multiplexed |
| Operating Temperature Range, C | -40 to 85 | -40 to 85 |
| Package Group | VQFN | VQFN |
| Package Size: mm2:W x L, PKG | 20VQFN: 25 mm2: 5 x 5(VQFN) | 20VQFN: 25 mm2: 5 x 5(VQFN) |
| Power Consumption(Typ), mW | 38 | 38 |
| Rating | Catalog | Catalog |
| Reference Mode | Ext | Ext |
| Resolution, Bits | 24 | 24 |
| Sample Rate (max), SPS | 30kSPS | 30kSPS |
| Sample Rate(Max), MSPS | 0.03 | 0.03 |
Eco Plan
| ADS1257IRGWR | ADS1257IRGWT | |
|---|---|---|
| RoHS | Compliant | Compliant |
Application Notes
- Analog-to-Digital Converter Grounding Practices Affect System Performance (Rev. A)PDF, 69 Kb, Revision: A, File published: May 18, 2015
- A Glossary of Analog-to-Digital Specifications and Performance Characteristics (Rev. B)PDF, 425 Kb, Revision: B, File published: Oct 9, 2011
This glossary is a collection of the definitions of Texas Instruments' Delta-Sigma (О”ОЈ), successive approximation register (SAR), and pipeline analog-to-digital (A/D) converter specifications and performance characteristics. Although there is a considerable amount of detail in this document, the product data sheet for a particular product specification is the best and final reference. - Principles of Data Acquisition and Conversion (Rev. A)PDF, 132 Kb, Revision: A, File published: Apr 16, 2015
Model Line
Series: ADS1257 (2)
Manufacturer's Classification
- Semiconductors> Data Converters> Analog-to-Digital Converters (ADCs)> Precision ADCs (<=10MSPS)
