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參數(shù)資料
| 型號： | 5962-0720401VXC |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.012 us SETTLING TIME, 14-BIT DAC, CQFP52 |
| 封裝： | CERAMIC, QFP-52 |
| 文件頁數(shù)： | 14/23頁 |
| 文件大?。?/td> | 579K |
| 代理商： | 5962-0720401VXC |
www.ti.com ..................................................................................................................................................... SGLS387D – JULY 2007 – REVISED OCTOBER 2009
DEFINITIONS
Definitions of Specifications and Terminology
Gain error is as the percentage error in the ratio between the measured full-scale output current and the value of
16 × V(EXTIO)/RBIAS. A V(EXTIO) of 1.25 V is used to measure the gain error with an external reference voltage
applied. With an internal reference, this error includes the deviation of V(EXTIO) (internal bandgap reference
voltage) from the typical value of 1.25 V.
Offset error is as the percentage error in the ratio of the differential output current (IOUT1-IOUT2) and the half
of the full-scale output current for input code 8192.
THD is the ratio of the rms sum of the first six harmonic components to the rms value of the fundamental output
signal.
SNR is the ratio of the rms value of the fundamental output signal to the rms sum of all other spectral
components below the Nyquist frequency, including noise, but excluding the first six harmonics and dc.
SINAD is the ratio of the rms value of the fundamental output signal to the rms sum of all other spectral
components below the Nyquist frequency, including noise and harmonics, but excluding dc.
ACPR or adjacent channel power ratio is defined for a 3.84-Mcps 3GPP W-CDMA input signal measured in a
3.84-MHz bandwidth at a 5-MHz offset from the carrier with a 12-dB peak-to-average ratio.
APSSR or analog power supply ratio is the percentage variation of full-scale output current versus a 5% variation
of the analog power supply AVDD from the nominal. This is a dc measurement.
DPSSR or digital power supply ratio is the percentage variation of full-scale output current versus a 5% variation
of the digital power supply DVDD from the nominal. This is a dc measurement.
Copyright 2007–2009, Texas Instruments Incorporated
21
Product Folder Link(s): DAC5675A-SP
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