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| 型号： | EVAL-AD7623CBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/28页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD7623 |
| 标准包装： | 1 |
| 系列： | PulSAR® |
| ADC 的数量： | 1 |
| 位数： | 16 |
| 采样率（每秒）： | 1.33M |
| 数据接口： | 串行，并联 |
| 输入范围： | ±VREF |
| 在以下条件下的电源（标准）： | 50mW @ 1.33MSPS |
| 工作温度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7623 |
| 已供物品： | 板 |
| 相关产品： | AD7623ASTZ-ND - IC ADC 16BIT 1.33MSPS DFF 48LQFP AD7623ACPZ-ND - IC ADC 16BIT 1.33MSPS 48LFCSP AD7623ACPZRL-ND - IC ADC 16BIT 1.33MSPS 48LFCSP AD7623ASTZRL-ND - IC ADC 16BIT 1.33MSPS DFF 48LQFP |
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AD7623
Rev. 0 | Page 11 of 28
TERMINOLOGY
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 LSBs 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.
Gain Error
The first transition (from 000…00 to 000…01) should occur for
an analog voltage LSB above the nominal negative full-scale
(2.0479688 V for the ±2.048 V range). The last transition
(from 111…10 to 111…11) should occur for an analog voltage
1 LSBs below the nominal full-scale (2.0479531 V for the
±2.048 V range). The gain error is the deviation of the
difference between the actual level of the last transition and the
actual level of the first transition from the difference between
the ideal levels.
Zero Error
The zero error is the difference between the ideal midscale
input voltage (0 V) and the actual voltage producing the
midscale output code.
Dynamic Range
Dynamic range is the ratio of the rms value of the full-scale to
the rms noise measured with the inputs shorted together. The
value for dynamic range 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.
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 + 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 decibels.
Spurious-Free Dynamic Range (SFDR)
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 and is expressed in bits by
ENOB = [(SINADdB 1.76)/6.02]
Aperture Delay
Aperture delay is a measure of the acquisition performance
measured from the falling edge of the CNVST input to when
the input signal is held for a conversion.
Transient Response
The time required for the AD7623 to achieve its rated accuracy
after a full-scale step function is applied to its input.
Reference Voltage Temperature Coefficient
Reference voltage temperature coefficient is derived from the
typical shift of output voltage at 25°C on a sample of parts at the
maximum and minimum reference output voltage (VREF)
measured at TMIN, T(25°C), and TMAX. It is expressed in ppm/°C as
6
10
C
25
(
C
ppm/
×
°
=
°
)
T
–
T
(
)
(
V
)
Min
V
–
)
Max
V
)
(
TCV
MIN
MAX
REF
where:
VREF (Max) = maximum VREF at TMIN, T (25°C), or TMAX.
VREF (Min) = minimum VREF at TMIN, T (25°C), or TMAX.
VREF (25°C) = VREF at 25°C.
TMAX = +85°C.
TMIN = –40°C.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EVAL-AD7623EDZ | 功能描述:BOARD EVAL FOR AD7623 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:* 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| EVAL-AD7625EDZ | 功能描述:数据转换 IC 开发工具 Eval Board 16-BIT 5MSPS ADC I.C RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| EVAL-AD7626EDZ | 功能描述:数据转换 IC 开发工具 Eval Board 16 Bit 10MSPS DIFF ADC RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| EVAL-AD7631CBZ | 制造商:Analog Devices 功能描述:EVALUATION BOARD - Boxed Product (Development Kits) |
| EVAL-AD7631EDZ | 功能描述:BOARD EVAL FOR AD7631 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:* 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
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