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| 型號(hào)： | ADC0808S125HW |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Single 8-bit ADC, up to 125 Msps |
| 封裝： | ADC0808S125HW/C1<SOT545-2 (HTQFP48)|<<http://www.nxp.com/packages/SOT545-2.html<1<Always Pb-free,;ADC0808S125HW/C1<SOT545-2 (HTQFP48)|<<http://www.nxp.com/packages/SOT545 |
| 文件頁數(shù)： | 14/23頁 |
| 文件大?。?/td> | 121K |
| 代理商： | ADC0808S125HW |
ADC0808S125_ADC0808S250_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 24 February 2009
14 of 23
NXP Semiconductors
ADC0808S125/250
Single 8-bit ADC, up to 125 MHz or 250 MHz
Remark:
P
noise
in the equations in the following sections, is the sum of noise sources
which include random noise, non-linearities, sampling time errors, and quantization noise.
12.2.1
Signal-to-Noise And Distortion (SINAD)
SINAD is the ratio of the output signal power to the noise plus distortion power for a given
sample rate and input frequency, excluding the DC component:
(3)
12.2.2
Effective Number Of Bits (ENOB)
ENOB is derived from SINAD and gives the theoretical resolution required by an ideal
ADC to obtain the same SINAD measured on the real ADC. A good approximation gives:
(4)
12.2.3
Total Harmonic Distortion (THD)
THD is the ratio of the power of the harmonics to the power of the fundamental. For k
1
harmonics the THD is:
(5)
where:
a = harmonic.
s = single tone.
Fig 10. Single tone spectrum of full-scale input sine wave of frequency f
t
a
2
a
1
m
frequency
001aag627
SFDR
a
k
s
a
3
SINAD dB
]
10log
10
P
P
noise
distortion
+
---------------------------------------
=
ENOB
----------------------------------
–
6.02
=
THD dB
]
10log
10
P
P
signal
-------------------------
=
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PDF描述 |
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| ADC0808S125HW | Single 8-bit ADC, up to 125 Msps |
| ADC0808S250HW | Single 8-bit ADC, up to 250 Msps |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADC0808S125HW/C1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Single 8-bit ADC, up to 125 MHz or 250 MHz |
| ADC0808S125HW/C1,1 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC ADC Single 125MSPS 8-Bit Parallel RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADC0808S125HW/C1,5 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC IC ADC 8BIT 125MHZ SGL RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADC0808S125HW/C1,518 | 制造商:NXP Semiconductors 功能描述:Cut Tape 制造商:NXP Semiconductors 功能描述:0 |
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