| Resolution (Bits) | 16 |
| Number of input channels | 1 |
| Sample rate (Max) (kSPS) | 200 |
| Interface type | Byte-Wide, Parallel, SPI |
| Architecture | SAR |
| Input type | Single-Ended |
| Rating | Catalog |
| Reference mode | Ext, Int |
| Input range (Max) (V) | 10 |
| Input range (Min) (V) | -10 |
| Features | Daisy-Chainable, Oscillator |
| Operating temperature range (C) | -40 to 85 |
| Power consumption (Typ) (mW) | 60 |
| Analog voltage AVDD (Min) (V) | 4.5 |
| SNR (dB) | 89 |
| Analog voltage AVDD (Max) (V) | 5.5 |
| INL (Max) (+/-LSB) | 1.5 |
| Digital supply (Min) (V) | 1.65 |
| Digital supply (Max) (V) | 5.25 |
- 200-kHz Minimum Sampling Rate
- 4-V, 5-V, and ±10-V Input Ranges with High-Impedance Input
- ±1.5 LSB Max INL
- +1.5/-1 LSB Max/Min DNL, 16 Bits NMC
- ±2-mV Max BPZ, ±0.6 ppm/°C BPZ Drift
- ±2-mV Max UPZ, ±0.15 ppm/°C UPZ Drift
- 88.8-dB SINAD with 10-kHz Input
- SPI-Compatible Serial Output With Daisy-Chain (TAG), SPI Master/Slave Feature
- Full Parallel Interface
- Binary Twos Complement or Straight Binary Output Code Formats
- Single 4.5-V to 5.5-V Analog Supply, 1.65-V to 5.5-V Interface Supply
- Uses Internal 2.5-V or External Reference
- No External Precision Resistors Required
- Low Power Dissipation (ADC+REF+BUF):
- 47 mW Typ, 60 mW Max at 200 kSPS
- 50-μW Max Power-Down Mode
- Pin-Compatible with 16-Bit ADS7807 and ADS8507, and 12-Bit ADS7806 and ADS8506
- SO-28 and TSSOP-28 Packages
- APPLICATIONS
- Portable Test Equipment
- USB Data Acquisition Module
- Medical Equipment
- Industrial Process Control
- Digital Signal Processing
- Instrumentation
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The ADS8517 is a complete low-power, single 5-V supply, 16-bit sampling analog-to-digital (A/D) converter. It contains a complete, 16-bit, capacitor-based, successive approximation register (SAR) A/D converter with sample-and-hold, clock, reference, and data interface. The converter can be configured for a variety of input ranges including ±10 V, 4 V, and 5 V. For most input ranges, the input voltage can swing to 25 V or –25 V without damage to the device.
An SPI-compatible serial interface allows data to be synchronized to an internal or external clock. A full parallel interface using the selectable BYTE pin is also provided to allow the maximum system design flexibility. The ADS8517 is specified at a 200-kHz sampling rate over the industrial -40°C to +85°C temperature range.