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SMP04ESZ

更新时间： 2024-02-24 07:45:47
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
15页 278K
描述
CMOS Quad Sample-and-Hold Amplifier

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SMP04ESZ 技术参数

是否无铅：含铅是否Rohs认证：符合
生命周期：Active零件包装代码：DIE
包装说明：DIE,针数：0
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：5.62
Is Samacsys：N最长采集时间：11 µs
标称采集时间：3.6 µs放大器类型：SAMPLE AND HOLD CIRCUIT
最大模拟输入电压：7.5 V最小模拟输入电压：-7.5 V
最大下降率：0.025 V/sJESD-30 代码：R-XUUC-N15
负供电电压上限：标称负供电电压 (Vsup)：
功能数量：4端子数量：15
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：DIE
封装形状：RECTANGULAR封装形式：UNCASED CHIP
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
采样并保持/跟踪并保持：SAMPLE子类别：Sample and Hold Circuit
供电电压上限：17 V标称供电电压 (Vsup)：12 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子形式：NO LEAD
端子位置：UPPER处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

SMP04ESZ 数据手册

 浏览型号SMP04ESZ的Datasheet PDF文件第6页浏览型号SMP04ESZ的Datasheet PDF文件第7页浏览型号SMP04ESZ的Datasheet PDF文件第8页浏览型号SMP04ESZ的Datasheet PDF文件第10页浏览型号SMP04ESZ的Datasheet PDF文件第11页浏览型号SMP04ESZ的Datasheet PDF文件第12页 
SMP04  
Sample-Mode Distortion Characteristics  
different sampling frequencies of 14.4 kHz, 9.6 kHz and  
7.2 kHz. The signal-to-noise ratios measure 58.2 dB, 59.3 dB  
and 60 dB respectively.  
Although designed as a sample-and-hold, the SMP04 may be  
used as a straight buffer amplifier by configuring it in a continu-  
ous sample mode. This is done by connecting the S/H control  
pin to a logic LOW. Its buffer bandwidth is primarily limited by  
the distortion content as the signal frequency increases. Figure  
17 shows the distortion characteristics of the SMP04 versus  
frequency. It maintains less than 1% total harmonic distortion  
over a voiceband of 8 kHz. Output spot noise voltage measures  
4 nV/√Hz at f = 1 kHz.  
Figure 19 depicts SMP04’s spectral response operating with  
voice frequency of 3 kHz sampling at a 15.7 kHz rate. Under  
this condition, the signal-to-noise measures 53 dB.  
10 dB/DIV  
RANGE 15.0 dBm  
5.9 dBm  
10  
V
V
= ؎6V  
= 4Vp-p  
S
IN  
1
0.1  
START 1 000.0 Hz  
STOP 20 000.0 Hz  
Figure 19. SMP04 Spectral Response with an Input Carrier  
Frequency of 3 kHz and the Sampling Frequency of 15.7 kHz  
0.010  
Sampled Data Dynamic Performance  
In continuous sampled data applications such as voice digitiza-  
tion or communication circuits, it is important to analyze the  
spectral response of a sample-and-hold. Figures 16a and 16b  
show the SMP04 sampling at a frequency of 86 kHz with a  
1.4 V p-p pure sine wave input of 20 kHz and 8 kHz respec-  
tively. The photos include the sampling carrier frequency as well  
as its multiplying frequencies. In the case of the 20 kHz carrier  
frequency, the second harmonic measures 41 dB down from the  
fundamental, because the second is dominant, the signal-to-  
noise ratio is –40.9 dB. The 8 kHz case produces an improved  
S/N performance of –48 dB.  
0.001  
0.0005  
20  
100  
1k  
10k  
100k 200k  
FREQUENCY – Hz  
Figure 17. THD+N vs. Frequency  
Sampled Data Dynamic Performance  
In continuous sampled data applications such as voice digitiza-  
tion or communication circuits, it is important to analyze the  
spectral response of a sample-and-hold. Figures 16a and 16b  
show the SMP04 sampling at a frequency of 86 kHz with a  
1.4 V p-p pure sine wave input of 20 kHz and 8 kHz respec-  
tively. The photos include the sampling carrier frequency as  
well as its multiplying frequencies. In the case of the 20 kHz  
carrier frequency, the second harmonic measures 41 dB down  
from the fundamental, because the second is dominant, the  
signal-to-noise ratio is –40.9 dB. The 8 kHz case produces an  
improved S/N performance of –48 dB.  
In the V.32 and V.33 modem environment, where a 1.8 kHz  
carrier signal frequency is applied to the SMP04, Figure 18  
compares the spectral responses of the SMP04 under three  
different sampling frequencies of 14.4 kHz, 9.6 kHz and  
7.2 kHz. The signal-to-noise ratios measure 58.2 dB, 59.3 dB  
and 60 dB respectively.  
In the V.32 and V.33 modem environment, where a 1.8 kHz  
carrier signal frequency is applied to the SMP04, Figure 18  
compares the spectral responses of the SMP04 under three  
10 dB/DIV  
RANGE 15.0 dBm  
5.9 dBm  
10 dB/DIV  
RANGE 15.0 dBm  
5.7 dBm  
10 dB/DIV  
RANGE 15.0 dBm  
5.2 dBm  
CENTER 10 500.0 Hz  
SPAN 19 000.0 Hz  
START 1 000.0 Hz  
STOP 12 000.0 Hz  
START 1 000.0 Hz  
STOP 12 000.0 Hz  
a.  
b.  
c.  
Figure 18. SMP04 Spectral Response with a 1.8 kHz Carrier Frequency. (a) Shows the Sampling Frequency at 14.4 kHz;  
it Exhibits a S/N Ratio of 58.2 dB. (b) Shows a 59.3 dB S/N at a Sampling Frequency of 8.6 kHz. (c) Shows a 60 dB S/N at  
7.2 kHz.  
REV. D  
–9–  
1...6789101112...15

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