With a 1.6-GHz sampling rate at 8 bits of resolution and a 1.4-W power dissipation from a 1.9-V supply, the ADC018000 8-bit analog-to-digital converter (ADC) is primed for test-and-measurement and communications applications. At a 100-MHz input and a 1-GHz sampling rate, it delivers 7.5 effective number of bits and is made on a 0.18-µm CMOS process.
An internal reference and a track-and-hold circuit are included on the ADC, which features an extremely low bit-error rate. Differential nonlinearity is specified at ±0.25 least-significant bit (LSB), and integral nonlinearity is specified at ±0.3 LSB. Power-supply rejection ratio measures 40 dB. A power-down mode keeps current consumption down to 5 mW.
Key to its power savings, a unique folding/interpolating architecture cuts the number of comparators needed. The ADC018000 guarantees no missing codes from −40°C to 85°C. Housed in a 128-lead exposed pad package, it costs $100 each in 1000-unit lots.
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