Datasheet Texas Instruments ADS8568
| Manufacturer | Texas Instruments |
| Series | ADS8568 |
16-Bit, 8-Channel, Simultaneous-Sampling, Bipolar-Input SAR ADC
Datasheets
ADS85x8 12-, 14-, and 16-Bit, 8-Channel, Simultaneous Sampling ADCs datasheet
PDF, 1.5 Mb, Revision: C, File published: Feb 3, 2016
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Status
| ADS8568SPM | ADS8568SPMR | ADS8568SRGCR | ADS8568SRGCT | |
|---|---|---|---|---|
| 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 | Yes | Yes | No | No |
Packaging
| ADS8568SPM | ADS8568SPMR | ADS8568SRGCR | ADS8568SRGCT | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Pin | 64 | 64 | 64 | 64 |
| Package Type | PM | PM | RGC | RGC |
| Industry STD Term | LQFP | LQFP | VQFN | VQFN |
| JEDEC Code | S-PQFP-G | S-PQFP-G | S-PQFP-N | S-PQFP-N |
| Package QTY | 160 | 1000 | 2000 | 250 |
| Carrier | TUBE | LARGE T&R | LARGE T&R | SMALL T&R |
| Device Marking | ADS8568 | ADS8568 | ADS8568 | ADS8568 |
| Width (mm) | 10 | 10 | 9 | 9 |
| Length (mm) | 10 | 10 | 9 | 9 |
| Thickness (mm) | 1.4 | 1.4 | .88 | .88 |
| Pitch (mm) | .5 | .5 | .5 | .5 |
| Max Height (mm) | 1.6 | 1.6 | 1 | 1 |
| Mechanical Data | Download | Download | Download | Download |
Parametrics
| Parameters / Models | ADS8568SPM | ADS8568SPMR | ADS8568SRGCR | ADS8568SRGCT |
|---|---|---|---|---|
| # Input Channels | 8 | 8 | 8 | 8 |
| Analog Voltage AVDD(Max), V | 5.5 | 5.5 | 5.5 | 5.5 |
| Analog Voltage AVDD(Min), V | 4.5 | 4.5 | 4.5 | 4.5 |
| Architecture | SAR | SAR | SAR | SAR |
| 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 | 3 | 3 | 3 | 3 |
| Input Range(Max), V | 12 | 12 | 12 | 12 |
| Input Range(Min), V | -12 | -12 | -12 | -12 |
| Input Type | Single-Ended | Single-Ended | Single-Ended | Single-Ended |
| Integrated Features | Daisy-Chainable,Oscillator | Daisy-Chainable,Oscillator | Daisy-Chainable,Oscillator | Daisy-Chainable,Oscillator |
| Interface | Parallel,SPI | Parallel,SPI | Parallel,SPI | Parallel,SPI |
| Multi-Channel Configuration | Simultaneous Sampling | Simultaneous Sampling | Simultaneous Sampling | Simultaneous Sampling |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Package Group | LQFP | LQFP | VQFN | VQFN |
| Package Size: mm2:W x L, PKG | 64LQFP: 144 mm2: 12 x 12(LQFP) | 64LQFP: 144 mm2: 12 x 12(LQFP) | 64VQFN: 81 mm2: 9 x 9(VQFN) | 64VQFN: 81 mm2: 9 x 9(VQFN) |
| Power Consumption(Typ), mW | 335 | 335 | 335 | 335 |
| Rating | Catalog | Catalog | Catalog | Catalog |
| Reference Mode | Ext,Int | Ext,Int | Ext,Int | Ext,Int |
| Resolution, Bits | 16 | 16 | 16 | 16 |
| SINAD, dB | 90 | 90 | 90 | 90 |
| SNR, dB | 91.5 | 91.5 | 91.5 | 91.5 |
| Sample Rate (max), SPS | 500kSPS | 500kSPS | 500kSPS | 500kSPS |
| Sample Rate(Max), MSPS | 0.5 | 0.5 | 0.5 | 0.5 |
| THD(Typ), dB | -94 | -94 | -94 | -94 |
Eco Plan
| ADS8568SPM | ADS8568SPMR | ADS8568SRGCR | ADS8568SRGCT | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Application Notes
- ADS856x Design Challenges and Improvement Techniques for SAR Driver Circuit (Rev. A)PDF, 11.5 Mb, Revision: A, File published: May 18, 2015
- ADS8528, ADS8548, and ADS8568 Timing ConsiderationsPDF, 108 Kb, File published: Jun 21, 2014
- Determining Minimum Acquisition Times for SAR ADCs, part 2PDF, 215 Kb, File published: Mar 17, 2011
The input structure circuit of a successive-approximation register analog-to-digital converter (SAR ADC) incombination with the driving circuit forms a transfer function that can be used to determine minimum acquisition times for different types of applied input signals. This application report, which builds on Determining Minimum Acquisition Times for SAR ADCs When a Step Function is Applied to
Model Line
Series: ADS8568 (4)
Manufacturer's Classification
- Semiconductors> Data Converters> Analog-to-Digital Converters (ADCs)> Precision ADCs (<=10MSPS)
