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MAX11166
16-Bit, 500ksps, ±5V SAR ADC with Internal Reference in TDFN
Industry's Smallest, True Bipolar ±5V, 16-Bit ADCs
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The MAX11166 16-bit, 500ksps, SAR ADC offers excellent AC and DC performance with true bipolar input range, small size, and internal reference. The MAX11166 measures a ±5V (10VP-P) input range while operating from a single 5V supply. A patented charge-pump architecture allows direct sampling of high-impedance sources. The MAX11166 integrates an optional internal reference and buffer, saving additional cost and space.These ADCs achieve 92.9dB SNR and -103dB THD. The MAX11166 guarantees 16-bit no-missing codes and ±0.4 LSB INL (typ).
The MAX11166 communicates using an SPI-compatible serial interface at 2.5V, 3V, 3.3V, or 5V logic. The serial interface can be used to daisy-chain multiple ADCs in parallel for multichannel applications and provides a busy indicator option for simplified system synchronization and timing.
The MAX11166 is offered in 12-pin, 3mm x 3mm, TDFN package and is specified over the -40°C to +85°C temperature range.
Key Features
- High DC/AC Accuracy Improves Measurement Quality
- 16-Bit Resolution with No Missing Codes
- 500ksps Throughput Rates without Pipeline Delay/Latency
- 92.9dB SNR and -103dB THD at 10kHz
- 0.5 LSBRMS Transition Noise
- ±0.2 LSB DNL (typ) and ±0.4 LSB INL (typ)
- Highly Integrated ADC Saves Cost and Space
- ±6ppm/°C Internal Reference
- Internal Reference Buffer
- ±5V Bipolar Analog Input Range
- Wide Supply Range and Low Power Simplify Power-Supply Design
- 5V Analog Supply
- 2.3V to 5V Digital Supply
- 25.5mW Power Consumption at 500ksps
- 10µA in Shutdown Mode
- Multi-Industry Standard Serial Interface and Small Package Reduce Size
- SPI/QSPI™/MICROWIRE®/DSP-Compatible Serial Interface
- 3mm x 3mm Tiny 12-Pin TDFN Package
Applications/Uses
- Automatic Test Equipment
- Data Acquisition Systems
- Industrial Control Systems/Process Control
- Medical Instrumentation
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