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參數(shù)資料
| 型號： | AD7665 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | TV 8C 8#20 PIN PLUG |
| 中文描述： | 16位，570 kSPS的的CMOS模數(shù)轉(zhuǎn)換器 |
| 文件頁數(shù)： | 8/24頁 |
| 文件大?。?/td> | 348K |
| 代理商： | AD7665 |
REV. 0
AD7665
–8–
DEFINITION 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 1/2 LSB
before the first code transition. “Positive full scale” is defined as
a level 1 1/2 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 two’s
complement coding) should occur for an analog voltage 1 1/2 LSB
below the nominal full scale (2.499886 V for the
±
2.5 V range).
The full-scale error is the deviation of the actual level of the last
transition from the ideal level.
BIPOLAR ZERO ERROR
The difference between the ideal midscale input voltage (0 V) and
the actual voltage producing the midscale output code.
UNIPOLAR ZERO ERROR
In unipolar mode, the first transition should occur at a level
1/2 LSB above analog ground. The unipolar zero error is the
deviation of the actual transition from that point.
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)
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)
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)
The ratio of the rms value of the actual input signal to the rms
sum of all other spectral components below the Nyquist fre-
quency, excluding harmonics and dc. The value for SNR is
expressed in decibels.
SIGNAL TO (NOISE + DISTORTION) RATIO (S/[N+D])
The ratio of the rms value of the actual input signal to the rms
sum of all other spectral components below the Nyquist fre-
quency, including harmonics but excluding dc. The value for
S/(N+D) is expressed in decibels.
APERTURE DELAY
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
The time required for the AD7665 to achieve its rated accuracy
after a full-scale step function is applied to its input.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7665AST | 16-Bit, 570 kSPS CMOS ADC |
| AD7665ASTRL | 16-Bit, 570 kSPS CMOS ADC |
| AD7669AN | LC2MOS Complete, 8-Bit Analog I/0 Systems |
| AD7569TE | LC2MOS Complete, 8-Bit Analog I/0 Systems |
| AD7569KN | LC2MOS Complete, 8-Bit Analog I/0 Systems |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7665ACP | 制造商:Analog Devices 功能描述:ADC Single SAR 570ksps 16-bit Parallel/Serial 48-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:16-BIT, 500 KSPS CMOS A/D CONVERTER - Bulk |
| AD7665ACPRL | 制造商:Analog Devices 功能描述:ADC Single SAR 570ksps 16-bit Parallel/Serial 48-Pin LFCSP EP T/R |
| AD7665ACPZ | 功能描述:IC ADC 16BIT CMOS 5V 48LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端，雙極 |
| AD7665ACPZRL | 功能描述:IC ADC 16BIT CMOS 5V 48LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端，雙極 |
| AD7665AST | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:Analog-Digital Converter IC Number of Bi |
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