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High-Speed Digital-to-Analog Converter Chip - MS9708

Integral nonlinearity error is defined as the maximum error between the actual analog output and the ideal output, where the ideal output line is the straight line from zero to full scale.
Used to measure small-signal nonlinearity error. Calculation method: the change in analog output between the current input code and its preceding input code minus 1 least significant bit (LSB) size.
The analog output must increase as the digital input increases.
Offset error is the analog output when the input code is zero.
Gain error is defined as the difference between the ideal full-scale curve and the actual curve after the offset error has been reduced to zero.
Output exceeding full scale can cause nonlinearity errors.
Temperature drift is defined as the difference between the value at 25°C and the value at TMIN or TMAX. The unit is parts per million of full-scale value per degree.
Parts per million per degree.

Product Model: MS9708

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Product Introduction

MS9708/MS9710/MS9714Is a8-Bit/10-Bit/14-BitHigh-speed, low-powerD/AConverter. When samplingSampling rate reaches125MSPSWhen,MS9708/MS9710/MS9714Also provides superiorACandDCPerformance.

MS9708/MS9710/MS9714Normal operating voltage range is+2.7V ~ +5.5V, low power consumption, making it highly suitable for applicationsFor portable and low-power products. Without affecting performance, by reducing the full-scale current output, its power consumption can be furtherStep decreases to45mW. Additionally, in sleep mode, power consumption can be reduced to approximately20mW。

MS9708/MS9710/MS9714Adopts advanced manufacturing processes. A segmented current source structure combined with dedicated switching technologyTechnology combined to reduce parasitic synthesis and improve dynamic conversion performance. This chip integrates edge-triggered input latches and temperature-compensatedBandgap is integrated together to form a complete monolithic integrated circuitDACSolution. Support+3Vand+5V . Full-scale currentFull-scale output is20mA, output impedance greater than100kΩ。

1. Characteristics of high-speed DAC chip MS9708:

Integral nonlinearity error is defined as the difference between the actual analog output and the ideal outputrelativelyMaximum error, the ideal output line is the straight line from zero to full scale.
Used to measure small-signal nonlinearity error. Calculation method: the change in analog output between the current input code and its preceding input code minus 1relativelyLeast significant bit (LSB) size.
The analog output must increase as the digital input increases.
Offset error is the analog output when the input code is zero.
Gain error is defined as the difference between the ideal full-scale curve and the actual curve after the offset error has been reduced to zero.
Output exceeding full scale can cause nonlinearity errors.
Temperature drift is defined as the difference between the value at 25°C and the value at TMIN or TMAX. The unit is parts per million of full-scale value per degree.

Due to inconsistent switching times, the output may have glitches. The unit for measuring glitch area ispV-s 。

Settling time(settling)Refers to the output value reaching and stabilizing within ± of the predetermined value1/2LSB Range or some other specified rangeThe time required to reach within.

Signal-to-noise ratio(SNR)Is achieved byDAC By applying a full-scale sine wave digital code and analyzing the frequency characteristics of its output waveformObtained.DAC After filtering the output to remove the fundamental component and all harmonic components, the remaining part is noise.SNRIt is the ratio of the fundamental component to the sum of all noise components.

Signal-to-noise and distortion ratio(SNDR orSINAD)WithSNR The calculation method is the same, except that harmonic components are also included in the noiseWithin.

Total harmonic distortion(THD)andSINAD Similar, but it includes only harmonic components and excludes noise. In this ratio calculation,The fundamental component is the denominator, not the numerator.

Spurious-free dynamic range(SFDR)Refers to the ratio between the fundamental or carrier component and other non-fundamental and non-carrierrelativelyLarge spurious frequency components(availableCan be harmonics or distortion waves)The ratio, in units ofdB。