Trimming a digital-to-analog converter to improve accuracy
نویسنده
چکیده
More and more of today’s modern industrial systems are requiring high accuracy. Traditionally, the test and measurement market has been the primary driver of highly accurate signal chain components, but now this trend is seeping into other markets such as factory automation, optical networking, and medical. Applications such as automated test equipment (ATEs), data acquisition cards (DAQs), and high-performance oscilloscopes require the highest accuracy signal chain.
منابع مشابه
Optimal fast digital error correction method of pipelined analog to digital converter with DLMS algorithm
In this paper, convergence rate of digital error correction algorithm in correction of capacitor mismatch error and finite and nonlinear gain of Op-Amp has increased significantly by the use of DLMS, an evolutionary search algorithm. To this end, a 16-bit pipelined analog to digital converter was modeled. The obtained digital model is a FIR filter with 16 adjustable weights. To adjust weights o...
متن کاملDesigning an Integrated All-Optical Analog to Digital Converter
We present the procedure for designing a high speed and low power all-optical analog to digital converter (AO-ADC), by integrating InGaAsP semiconductor optical amplifier (SOA) with InP based photonic crystal (PhC) drop filters. The self-phase modulation in the SOA can shift the frequency of the Gaussian input pulse. The two output PhC based drop filters are designed to appropriately code the f...
متن کاملA 300-MS/s 14-bit Digital-to-Analog Converter in Logic CMOS
We describe a floating-gate trimmed 14-bit 300-MS/s current-steered digital-to-analog converter (DAC) fabricated in 0.25and 0.18m CMOS logic processes. We trim the static integral nonlinearity to 0.3 least significant bits using analog charge stored on floating-gate pFETs. The DAC occupies 0.44 mm of die area, consumes 53 mW at 250 MHz, allows on-chip electrical trimming, and achieves better th...
متن کاملA 2.7V 350muW 11-b Algorithmic Analog-to-Digital Converter with Single-Ended Multiplexed Inputs
A low-power low-area CMOS algorithmic A/D converter that does not require trimming nor digital calibration is presented. The topology is based on a classical cyclic A/D conversion using a capacitor ratio-independent computation circuitry. All the nonidealities have been carefully analyzed and reduced by proper choices of design and layout solutions. As a result the errors coming from opamp offs...
متن کاملThe Floating Gate MOS Device as an Analog Element for Analog Trimming
This paper investigates the use of floating gate MOS devices for analog trimming. A floating gate MOSFET structure, in which tunneling occurs at the corners of a polysilicon slab, has been fabricated using a standard 1.2p.m n-well CMOS process. The analog storage performance of the floating gate is evaluated. A threedimensional device simulator, DAVINCI, is used to characterize the field enhanc...
متن کامل