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參數(shù)資料
| 型號： | MAX5195EGM |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | DAC |
| 英文描述： | 14-Bit, 260Msps High-Dynamic Performance DAC |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 14-BIT DAC, QCC48 |
| 封裝： | 7 X 7 MM, 0.90 MM HEIGHT, QFN-48 |
| 文件頁數(shù)： | 16/17頁 |
| 文件大?。?/td> | 599K |
| 代理商： | MAX5195EGM |
M
Offset Error
The offset error is the difference between the ideal and
the actual offset point. For a DAC, the offset point is the
step value when the digital input is at midscale. This
error affects all codes by the same amount.
Gain Error
A gain error is the difference between the ideal and the
actual full-scale output voltage on the transfer curve,
after nullifying the offset error. This error alters the slope
of the transfer function and corresponds to the same
percentage error in each step.
Glitch Energy
Glitch impulses are caused by asymmetrical switching
times in the DAC architecture, which generates unde-
sired output transients. The amount of energy that
appears at DAC
’
s output is measured over time and is
usually specified in the pV-s range.
Dynamic Performance Parameter
Definitions
Signal-to-Noise Ratio (SNR)
For a waveform perfectly reconstructed from digital
samples, the theoretical maximum SNR is the ratio of the
full-scale analog output (RMS value) to the RMS quanti-
zation error (residual error). The ideal, theoretical mini-
mum can be derived from the DAC
’
s resolution (N bits):
SNR
dB
= 6.02
dB
N + 1.76
dB
However, noise sources such as thermal noise, refer-
ence noise, clock jitter, etc., affect the ideal reading.
SNR is therefore computed by taking the ratio of the
RMS signal to the RMS noise, which includes all spec-
tral components minus the fundamental, the first four
harmonics, and the DC offset.
Spurious-Free Dynamic Range
SFDR is the ratio of RMS amplitude of the carrier fre-
quency (maximum signal components) to the RMS
value of the next largest distortion component. SFDR is
measured in dBc, with respect to the carrier frequency
amplitude.
Multitone Power Ratio (MTPR)
A series of equally spaced ones is applied to the DAC
with one tone removed from the center of the range.
MTPR is defined as the worst-case distortion (usually a
3rd-order harmonic product of the fundamental frequen-
cies), which appears as the largest spur at the frequency
of the missing tone in the sequence. This test can be
performed with any number of input tones; however, four
and eight tones are among the most common test condi-
tions for CDMA- and GSM/EDGE-type applications.
Intermodulation Distortion (IMD)
The two-tone IMD is the ratio expressed in dBc of either
input tone to the worst 3rd-order (or higher) IMD prod-
ucts. Note that 2nd-order IMD products usually fall at
frequencies, which can be easily removed by digital fil-
tering. Therefore, they are not as critical as 3rd-order
IMDs. The two-tone IMD performance of the MAX5195
was tested with the two individual input tone levels set
to -9dBFS and -12dBFS.
Chip Information
TRANSISTOR COUNT: 15,000
PROCESS: SiGe
14-Bit, 260Msps High-Dynamic
Performance DAC
16
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| MAX5195EGM-D | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5195EGM-TD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5195EVKIT | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX519ACPE | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX519ACPE+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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