Pending
18-Bit, 1.6Msps, Serial SAR ADC Achieves Industry-Leading 101dB SNR Performance
Linear Technology introduced the LTC2379-18 , a serial 18-bit, 1.6Msps SAR analog to digital converter (ADC) that achieves an unrivaled 101dB SNR and -118dB THD while supporting a fully differential ±5V input range. This breakthrough performance establishes Linear's position as a leader in high performance ADCs. The LTC2379-18 features a maximum INL of ±2LSB with no missing codes and guaranteed specifications over the -40°C to 125°C temperature range. Operating from a 2.5V supply, the LTC2379‑18 consumes only 18mW and is available in small 3mm x 4mm DFN and MSOP-16 packages. The LTC2379-18's high SNR, fast throughput and low power dissipation make it ideal for high performance medical, industrial and automotive applications.
Complementing the LTC2379-18 is the pin- and software-compatible 16-bit, 2Msps LTC2380-16. The LTC2380-16 achieves an impressive 96dB SNR and ±0.5LSB maximum INL. The LTC2379-18 and LTC2380-16 are the first in a family of 18-/16-bit high performance SAR ADCs with speeds ranging from 250ksps up to 2Msps. These devices offer a revolutionary new digital gain compression feature that eliminates the need for a negative supply on the ADC driver, dramatically lowering the total power consumption of the signal chain. The devices' shutdown mode further reduces power dissipation to 1.25µW when idle. The true no-latency operation enables accurate one-shot measurements even after lengthy idle periods with no minimum sample rate required.##IMAGE_2_C##
The explicit Busy and Chain pins, along with a user-friendly SPI interface, support I/O voltages from 1.8V to 5V, simplify digital timing and minimize external component count.
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