參數(shù)資料
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(yè)數(shù)： 13/23頁(yè)
文件大小： 121K
代理商： ADC0808S125HW
ADC0808S125_ADC0808S250_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 24 February 2009
13 of 23
NXP Semiconductors
ADC0808S125/250
Single 8-bit ADC, up to 125 MHz or 250 MHz
[1]
Output data acquisition: the output data is available after the maximum delay of t
d(o)
.
The
3 dB analog bandwidth is determined by the 3 dB reduction in the reconstructed output, the input being a full-scale sine wave.
[2]
[3]
The total harmonic distortion is obtained with the addition of the first five harmonics.
[4]
The signal-to-noise ratio takes into account all harmonics above five and noise up to Nyquist frequency.
[5]
Intermodulation measured relative to either tone with analog input frequencies f
1
and f
2
. The two input signals have the same amplitude
and the total amplitude of both signals provides full-scale to the converter (
6 dB below full-scale for each input signal). IMD3 is the ratio
of the RMS value of either input tone to the RMS value of the worst case third-order intermodulation product.
12. Definitions
12.1 Static parameters
12.1.1
Integral non-linearity
Integral non-linearity (INL) is defined as the deviation of the transfer function from a
best-fit straight line (linear regression computation). The INL of the code is obtained from
the equation:
(1)
where: S corresponds to the slope of the ideal straight line (code width), i corresponds to
the code value, V
in
is the input voltage.
12.1.2
Differential non-linearity
Differential non-linearity (DNL) is the deviation in code width from the value of 1 LSB.
(2)
where: V
in
is the input voltage; i is a code value from 0 to (2
n
2).
12.2 Dynamic parameters
Figure 10
shows the spectrum of a single tone full-scale input sine wave of frequency f
t
,
conforming to coherent sampling and which is digitized by the ADC under test. Coherent
sampling: (f
t
/ f
s
= M / N, where M = number of cycles and N = number of samples,
M and N values being relatively prime).
SFDR
spurious free dynamic range
f
clk
= 125 MHz; f
i
= 78 MHz
f
clk
= 250 MHz; f
i
= 125 MHz
f
1
= 124 MHz; f
2
= 126 MHz;
f
clk
= 250 MHz
f
1
= 124 MHz; f
2
= 126 MHz;
f
clk
= 250 MHz
-
-
55
55
55
-
-
-
dBc
dBc
dB
IMD2
second-order intermodulation
distortion
third-order intermodulation
distortion
[5]
-
IMD3
[5]
-
60
-
dB
Table 13.
V
CCA
= 3.0 V to 3.6 V; V
CCD
= 1.65 V to 1.95 V; V
CCO
= 1.65 V to 1.95 V; pins AGND1, AGND2 and DGND1 shorted together;
T
amb
=
40
°
C to +85
°
C; V
i(IN)
V
i(INN)
= 2.0 V
0.5 dB; V
I(cm)
= 0.95 V; V
FSIN
= 0 V; typical values are measured at
V
CCA
= 3.3 V V
CCD
= V
CCO
= 1.8 V T
amb
= 25
°
C and C
L
= 10 pF; unless otherwise specified.
Symbol
Parameter
Conditions
Dynamic characteristics
…continued
Min
Typ
Max
Unit
INL i
( )
V
i
( )
-----------------------------------------------
V
ideal
(
S
)
=
DNL i
( )
V
i
--------------------------------------------
1
+
(
)
V
i
( )
–
S
=
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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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