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| 型號： | EVAL-AD7946CBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION FOR AD7946 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | PulSAR® |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 500k |
| 數(shù)據(jù)接口： | 串行 |
| 輸入范圍： | 0 ~ 5.5 V |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 19mW @ 500kSPS，5 V |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7946 |
| 已供物品： | 板，CD |
| 相關(guān)產(chǎn)品： | AD7946BCPZRL7TR-ND - IC ADC 14BIT 500KSPS 10-LFCSP AD7946BCPZRL-ND - IC ADC 14BIT 500KSPS 10-LFCSP AD7946BRMZRL7-ND - IC ADC 14BIT 500KSPS 10-MSOP AD7946BRMZ-ND - IC ADC 14BIT 500KSPS SAR 10-MSOP |
AD7946
Rev. A | Page 11 of 24
TERMINOLOGY
Integral Nonlinearity Error (INL)
INL refers to the deviation of each individual code from a line
drawn from negative full scale through positive full scale. The
point used as negative full scale occurs LSB before the first
code transition. Positive full scale is defined as a level 1 LSB
beyond the last code transition. The deviation is measured from
the middle of each code to the true straight line (Figure 24).
Differential Nonlinearity Error (DNL)
In an ideal ADC, code transitions are 1 LSB apart. DNL is the
maximum deviation from this ideal value. It is often specified in
terms of resolution for which no missing codes are guaranteed.
Offset Error
The first transition should occur at a level LSB above analog
ground (152.6 μV for the 0 V to 5 V range). The offset error is
the deviation of the actual transition from that point.
Gain Error
The last transition (from 111 … 10 to 111 … 11) should occur
for an analog voltage 1 LSB below the nominal full scale
(4.999542 V for the 0 V to 5 V range). The gain error is the
deviation of the actual level of the last transition from the ideal
level after the offset has been adjusted out.
Spurious-Free Dynamic Range (SFDR)
SFDR is the difference, in decibels (dB), between the rms
amplitude of the input signal and the peak spurious signal.
Effective Number of Bits (ENOB)
ENOB is a measurement of the resolution with a sine wave
input. It is related to SINAD by the following formula:
ENOB = (SINADdB 1.76)/6.02
and is expressed in bits.
Total Harmonic Distortion (THD)
THD is the ratio of the rms sum of the first five harmonic
components to the rms value of a full-scale input signal and is
expressed in dB.
Signal-to-Noise Ratio (SNR)
SNR is the ratio of the rms value of the actual input signal to the
rms sum of all other spectral components below the Nyquist
frequency, excluding harmonics and dc. The value for SNR is
expressed in dB.
Signal-to-(Noise + Distortion) Ratio (SINAD)
SINAD is the ratio of the rms value of the actual input signal to
the rms sum of all other spectral components below the Nyquist
frequency, including harmonics but excluding dc. The value for
SINAD is expressed in dB.
Aperture Delay
Aperture delay is the measurement of the acquisition perform-
ance and is the time between the rising edge of the CNV input
and when the input signal is held for a conversion.
Transient Response
Transient response is the time required for the ADC to accu-
rately acquire its input after a full-scale step function is applied.
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| EVAL-AD7946SDZ | 功能描述:BOARD EVAL FOR AD7946 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:* 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7949CBZ | 制造商:Analog Devices 功能描述:EVAL BOARD 8 CH 250KSPS 14BIT ADC IC. - Bulk |
| EVAL-AD7949EDZ | 功能描述:BOARD EVAL AD7949 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:PulSAR® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7951EDZ | 功能描述:BOARD EVAL FOR AD7951 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:* 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7960FMCZ | 制造商:Analog Devices 功能描述:AD7960 18BIT PULSAR DIFF ADC 制造商:Analog Devices 功能描述:EVAL BOARD, AD7960 ADC, Silicon Manufacturer:Analog Devices, Silicon Core Number:AD7960, Kit Application Type:Data Converter, Application Sub Type:ADC, Kit Contents:Eval Board AD7960,, Features:(Not Applicable) |
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