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MAX1003CAX+

更新时间： 2024-01-06 12:27:52
品牌 Logo 应用领域
美信 - MAXIM 光电二极管转换器
页数 文件大小 规格书
12页 118K
描述
ADC, Flash Method, 6-Bit, 2 Func, 1 Channel, Parallel, 6 Bits Access, PDSO36, 0.300 INCH, 0.80 MM PITCH, SSOP-36

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MAX1003CAX+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SSOP
包装说明：SSOP,针数：36
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.86最大模拟输入电压：2.75 V
最小模拟输入电压：1.75 V转换器类型：ADC, FLASH METHOD
JESD-30 代码：R-PDSO-G36JESD-609代码：e3
长度：15.415 mm最大线性误差 (EL)：0.7812%
湿度敏感等级：1模拟输入通道数量：1
位数：6功能数量：2
端子数量：36最高工作温度：70 °C
最低工作温度：输出位码：OFFSET BINARY
输出格式：PARALLEL, 6 BITS封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified采样速率：90 MHz
座面最大高度：2.64 mm标称供电电压：5 V
表面贴装：YES温度等级：COMMERCIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.8 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.495 mm
Base Number Matches：1

MAX1003CAX+ 数据手册

 浏览型号MAX1003CAX+的Datasheet PDF文件第6页浏览型号MAX1003CAX+的Datasheet PDF文件第7页浏览型号MAX1003CAX+的Datasheet PDF文件第8页浏览型号MAX1003CAX+的Datasheet PDF文件第9页浏览型号MAX1003CAX+的Datasheet PDF文件第11页浏览型号MAX1003CAX+的Datasheet PDF文件第12页 
Lo w -P o w e r, 9 0 Ms p s , Du a l 6 -Bit ADC  
__________Ap p lic a t io n s In fo rm a t io n  
_____________Dyn a m ic P e rfo rm a n c e  
The MAX1003 is designed with separate analog and  
digital power-supply and ground connections to isolate  
high-current digital noise spikes from the more sensi-  
tive analog circuitry. The high-current digital output  
ground (OGND) and analog ground (GND) should be  
at the same DC level, connected at only one location  
on the board. This will provide best noise immunity and  
imp rove d c onve rs ion a c c ura c y. Us e of s e p a ra te  
ground planes is strongly recommended.  
Signal-to-noise and distortion (SINAD) is the ratio of the  
fundamental input frequency’s RMS amplitude to all  
other ADC output signals. The output spectrum is limit-  
ed to frequencies above DC and below one-half the  
ADC sample rate.  
The the ore tic a l minimum a na log -to-d ig ita l nois e is  
caused by quantization error, and results directly from  
the ADC’s resolution: SNR = (6.02N + 1.76)dB, where  
N is the number of bits of resolution. Therefore, a per-  
fect 6-bit ADC can do no better than 38dB.  
MAX103  
The entire board needs good DC bypassing for both  
analog and digital supplies. Place the power-supply  
bypass capacitors close to where the power is routed  
onto the board, i.e., close to the connector. 10µF elec-  
trolytic capacitors with low-ESR ratings are recom-  
mended. For best effective bits performance, minimize  
capacitive loading at the digital outputs. Keep the digi-  
tal output traces as short as possible.  
The FFT Plot (see Typical Operating Characteristics)  
shows the result of sampling a pure 20MHz sinusoid at  
a 90MHz clock rate. This FFT plot of the output shows  
the output level in various spectral bands. The plot has  
been averaged to reduce the quantization noise floor  
and reveal the low-amplitude spurs. This emphasizes  
the e xc e lle nt s p urious -fre e d yna mic ra ng e of the  
MAX1003.  
The MAX1003 requires a +5V ±5% power supply for  
the analog supply (V ) and a +3.3V ±300mV power  
CC  
The effective resolution (or effective number of bits) the  
ADC provides can be measured by transposing the  
e q ua tion tha t c onve rts re s olution to SINAD: N =  
(SINAD - 1.76) / 6.02 (s e e Typ ic a l Op e ra ting  
Characteristics).  
s up p ly c onne c te d to V  
for the log ic outp uts .  
CCO  
Bypass each of the V  
supply pins to its respective  
CC_  
GND with high-quality ceramic capacitors located as  
close to the package as possible (Table 2). Consult the  
e va lua tion kit ma nua l for a s ug g e s te d la yout a nd  
bypassing scheme.  
Table 2. Bypassing  
BYPASS  
SUPPLY  
FUNCTION  
V
/
TO  
GND/  
OGND  
CAPACITOR  
VALUE  
CC  
V
CCO  
Analog Inputs  
Oscillator/Clock  
Converter  
6
7
0.01µF  
0.01µF  
0.01µF  
47pF  
8
11  
12  
27  
27  
19  
13  
26  
28  
36  
Digital Q-Output  
Digital I-Output  
Buffer  
47p F  
0.01µF  
10 ______________________________________________________________________________________  
1...789101112

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