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US 2013/0154867 A1Published application
A/d converter
AssigneePanasonic Corporation
InventorsShiro DOSHO, Masao TAKAYAMA, Takuji MIKI
Life of this patent
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Abstract
An A/D converter having high accuracy and high throughput irrespective of characteristic variations of analog circuits is provided. The A/D converter includes a voltage-to-time converter configured to synchronize with a sampling clock signal and convert an input analog voltage to a time difference between two signals, and a plurality of time-to-digital converters each configured to convert the time difference between the two signals to a digital value. The plurality of time-to-digital converters operate in an interleaved manner.
Claims12
An AID converter comprising:
- a voltage-to-time converter configured to synchronize with a sampling clock signal and convert an input analog voltage to a time difference between two digital signals;
- and
- a plurality of time-to-digital converters each configured to convert the time difference between the two digital signals to a digital value, wherein
- the plurality of time-to-digital converters operate in an interleaved manner.
1 more element
An A/D converter comprising:
- a voltage-to-time converter configured to receive an analog signal and a clock signal separately, and to output two clock signals having a time difference produced by delaying the clock signal depending on a value of the analog signal;
- and
- a plurality of time-to-digital converters each configured to convert the time difference between the two clock signals to a digital value, wherein
- the plurality of time-to-digital converters operate in an interleaved manner.
1 more element
Dependencies are inferred from the claim text.