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12-Bit, 8-Channel 500ksps SAR ADC Features
Compact Solution Size and Low Power
The LTC2308 operates from a single 5V supply, drawing only 17mW at the 500ksps throughput rate. Power dissipation can be further decreased with two shutdown modes. Nap mode reduces the power to 1.15mW at 1ksps, and sleep mode shuts down all internal circuitry and reduces the power to 35uW. The LTC2308 measures unipolar or bipolar input signals, achieving excellent DC specifications, including +/-2mV(max) zero-scale error and +/-4LSB(max) full-scale error. The LTC2308 excels when digitizing AC input signals, measuring 73dB SINAD and -88dB THD at 1kHz. A separate digital output supply voltage (OVDD) allows users to configure the serial data output for power supplies ranging from 3V to 5V logic.
The LTC2308 is available today in both commercial and industrial temperature grades.
Summary of Features: LTC2308
- 500ksps Throughput Rate
- Low Power Dissipation:
- 17mW at 500ksps
- 1.15mW at 1ksps (Nap Mode)
- 12-Bit, 8-Channel Multiplexer (8 Single-Ended Channels, 4 Differential Channels)
- 5V Single Supply Operation
- Tiny QFN-24 (4mm x 4mm) Package
- Internal Reference
- 73dB SINAD at 1kHz
- 4-Wire SPI-Compatible Serial Interface
- Unipolar or Bipolar Input Ranges
- Separate OVDD Digital Output Voltage Supply: 2.7V to 5.5V
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