Datasheet Texas Instruments ADS1222
| Manufacturer | Texas Instruments |
| Series | ADS1222 |
24-Bit A/D Conv with 2-Channel Diff Input Multiplexer
Datasheets
ADS1222: 24-Bit A/D Conv with 2-Channel Differential Input Multiplexer datasheet
PDF, 620 Kb, Revision: B, File published: Dec 10, 2008
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Prices
Status
| ADS1222IPWR | ADS1222IPWRG4 | ADS1222IPWT | ADS1222IPWTG4 | |
|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No | No | No |
Packaging
| ADS1222IPWR | ADS1222IPWRG4 | ADS1222IPWT | ADS1222IPWTG4 | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Pin | 14 | 14 | 14 | 14 |
| Package Type | PW | PW | PW | PW |
| Industry STD Term | TSSOP | TSSOP | TSSOP | TSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 2000 | 2000 | 250 | 250 |
| Carrier | LARGE T&R | LARGE T&R | SMALL T&R | SMALL T&R |
| Device Marking | 1222 | 1222 | 1222 | ADS |
| Width (mm) | 4.4 | 4.4 | 4.4 | 4.4 |
| Length (mm) | 5 | 5 | 5 | 5 |
| Thickness (mm) | 1 | 1 | 1 | 1 |
| Pitch (mm) | .65 | .65 | .65 | .65 |
| Max Height (mm) | 1.2 | 1.2 | 1.2 | 1.2 |
| Mechanical Data | Download | Download | Download | Download |
Parametrics
| Parameters / Models | ADS1222IPWR | ADS1222IPWRG4 | ADS1222IPWT | ADS1222IPWTG4 |
|---|---|---|---|---|
| # Input Channels | 2 | 2 | 2 | 2 |
| Analog Voltage AVDD(Max), V | 5.5 | 5.5 | 5.5 | 5.5 |
| Analog Voltage AVDD(Min), V | 2.7 | 2.7 | 2.7 | 2.7 |
| Architecture | Delta-Sigma | Delta-Sigma | Delta-Sigma | Delta-Sigma |
| Digital Supply(Max), V | 5.5 | 5.5 | 5.5 | 5.5 |
| Digital Supply(Min), V | 2.7 | 2.7 | 2.7 | 2.7 |
| INL(Max), +/-LSB | 251.7 | 251.7 | 251.7 | 251.7 |
| Input Range(Max), V | 5.5 | 5.5 | 5.5 | 5.5 |
| Input Type | Differential,Single-Ended | Differential,Single-Ended | Differential,Single-Ended | Differential,Single-Ended |
| Integrated Features | 50/60 Hz Rejection,Temp Sensor | 50/60 Hz Rejection,Temp Sensor | 50/60 Hz Rejection,Temp Sensor | 50/60 Hz Rejection,Temp Sensor |
| Interface | SPI | SPI | SPI | SPI |
| Multi-Channel Configuration | Multiplexed | Multiplexed | Multiplexed | Multiplexed |
| Operating Temperature Range, C | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Package Group | TSSOP | TSSOP | TSSOP | TSSOP |
| Package Size: mm2:W x L, PKG | 14TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 14TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 14TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 14TSSOP: 32 mm2: 6.4 x 5(TSSOP) |
| Power Consumption(Typ), mW | 1.35 | 1.35 | 1.35 | 1.35 |
| Rating | Catalog | Catalog | Catalog | Catalog |
| Reference Mode | Ext | Ext | Ext | Ext |
| Resolution, Bits | 24 | 24 | 24 | 24 |
| Sample Rate (max), SPS | 240SPS | 240SPS | 240SPS | 240SPS |
| Sample Rate(Max), MSPS | 0.00024 | 0.00024 | 0.00024 | 0.00024 |
Eco Plan
| ADS1222IPWR | ADS1222IPWRG4 | ADS1222IPWT | ADS1222IPWTG4 | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | 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: ADS1222 (4)
Manufacturer's Classification
- Semiconductors> Data Converters> Analog-to-Digital Converters (ADCs)> Precision ADCs (<=10MSPS)
