Invention Grant
US08411707B2 Low power, high speed multi-channel data acquisition system and method
有权
低功耗，高速多通道数据采集系统及方法
- Patent Title: Low power, high speed multi-channel data acquisition system and method
- Patent Title (中): 低功耗，高速多通道数据采集系统及方法
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Application No.: US12587439Application Date: 2009-10-07
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Publication No.: US08411707B2Publication Date: 2013-04-02
- Inventor: Johnnie F. Molina , Hugo Cheung
- Applicant: Johnnie F. Molina , Hugo Cheung
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Agent Alan A. R. Cooper; Wade J. Brady, III; Frederick J. Telecky, Jr.
- Main IPC: H04J3/02
- IPC: H04J3/02
Abstract:
In a data acquisition system, digitizing circuitry (2A) is powered up by a control signal (ADC_CONVST), superimposing a glitch (42-1) on a first multiplexed and amplified signal value (VINF) received by the digitizing circuitry. Sampling and holding of the first multiplexed and amplified signal value occurs during a delay provided between the glitch and a beginning of a first A/D conversion of the first multiplexed and amplified signal value to allow settling of the glitch. After the first conversion begins, a second multiplexed and amplified signal value is generated. The digitizing circuitry performs the first A/D conversion during initial settling of the second multiplexed and amplified signal value and then is powered down while the second multiplexed and amplified signal value continues to settle.
Public/Granted literature
- US20110080925A1 Low power, high speed multi-channel data acquisition system and method Public/Granted day:2011-04-07
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