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參數資料
| 型號： | EVAL-AD7652CBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 3/28頁 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD7652 |
| 標準包裝： | 1 |
| 系列： | PulSAR® |
| ADC 的數量： | 1 |
| 位數： | 16 |
| 采樣率（每秒）： | 500k |
| 數據接口： | 串行，并聯(lián) |
| 輸入范圍： | 0 ~ 2.5 V |
| 在以下條件下的電源（標準）： | 65mW @ 500kSPS |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7652 |
| 已供物品： | 板 |
| 相關產品： | AD7652ASTZ-ND - IC ADC 16BIT 500KSPS REF 48LQFP AD7652ACPZ-ND - IC ADC 16BIT UNIPOLAR 48LFCSP AD7652ACPZRL-ND - IC ADC 16BIT UNIPOLAR 48LFCSP AD7652ASTZRL-ND - IC ADC 16BIT UNIPOLAR 48LQFP |
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AD7652
Rev. 0 | Page 11 of 28
DEFINITIONS OF SPECIFICATIONS
Integral Nonlinearity Error (INL)
Linearity error 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.
Differential Nonlinearity Error (DNL)
In an ideal ADC, code transitions are 1 LSB apart. Differential
nonlinearity is the maximum deviation from this ideal value. It
is often specified in terms of resolution for which no missing
codes are guaranteed.
Full-Scale Error
The last transition (from 011…10 to 011…11 in twos
complement coding) should occur for an analog voltage 1 LSB
below the nominal full scale (2.49994278 V for the 0 V to 2.5 V
range). The full-scale error is the deviation of the actual level of
the last transition from the ideal level.
Unipolar Zero Error
The first transition should occur at a level LSB above analog
ground (19.073 V for the 0 V to 2.5 V range). Unipolar zero
error is the deviation of the actual transition from that point.
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 S/(N+D) by the following formula:
ENOB = (S/[N+D]dB – 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 decibels.
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 decibels.
Signal-to-(Noise + Distortion) Ratio (S/[N+D])
S/(N+D) 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 S/(N+D) is expressed in decibels.
Aperture Delay
Aperture delay is a measure of the acquisition performance and
is measured from the falling edge of the CNVST input to when
the input signal is held for a conversion.
Transient Response
Transient response is the time required for the AD7652 to
achieve its rated accuracy after a full-scale step function is
applied to its input.
Overvoltage Recovery
Overvoltage recovery is the time required for the ADC to
recover to full accuracy after an analog input signal 150% of the
full-scale value is reduced to 50% of the full-scale value.
Reference Voltage Temperature Coefficient
Reference voltage temperature coefficient is the change of
internal reference voltage output voltage V over the operating
temperature range and normalized by the output voltage at
25°C, expressed in ppm/°C. The equation follows:
6
1
2
1
2
10
)
–
(
)
25
(
)
(
–
)
(
)
/
(
×
°
=
°
T
C
V
T
V
T
V
C
ppm
TCV
where:
V(25°C) = V at +25°C
V(T2) = V at Temperature 2 (+85°C)
V(T1) = V at Temperature 1 (–40°C)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| EVAL-AD7652EDZ | 功能描述:BOARD EVAL FOR AD7652 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數轉換器 (ADC) 系列:* 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數量:1 位數:12 采樣率（每秒）:94.4k 數據接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7653CB | 制造商:Analog Devices 功能描述:Development Tools, 16Bit 1MSPS SAR Unipolar ADC with Ref 制造商:Analog Devices 功能描述:DEV TOOLS, 16BIT 1MSPS SAR UNIPOLAR ADC W/ REF - Bulk |
| EVAL-AD7653CBZ | 功能描述:BOARD EVALUATION FOR AD7653 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數轉換器 (ADC) 系列:PulSAR® 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數量:1 位數:12 采樣率（每秒）:94.4k 數據接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7653EDZ | 功能描述:BOARD EVAL FOR AD7653 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數轉換器 (ADC) 系列:* 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數量:1 位數:12 采樣率（每秒）:94.4k 數據接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7654CB | 制造商:Analog Devices 功能描述: |
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