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ML2252

更新时间： 2024-02-14 15:50:45
品牌 Logo 应用领域
MICRO-LINEAR 转换器复用器
页数 文件大小 规格书
13页 205K
描述
レP Compatible 8-Bit A/D Converters with 2- or 8-Channel Multiplexer

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中文翻译

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ML2252 技术参数

生命周期：Obsolete零件包装代码：QFP
包装说明：QFP, QFP44,.53X.57,32针数：44
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.18Is Samacsys：N
其他特性：ALSO OPERATES AT 5V SUPPLY商用集成电路类型：SPEECH SYNTHESIZER
JESD-30 代码：R-PQFP-G44长度：10.5 mm
功能数量：1端子数量：44
片上内存类型：MASK ROM最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：QFP封装等效代码：QFP44,.53X.57,32
封装形状：RECTANGULAR封装形式：FLATPACK
电源：3/5 V认证状态：Not Qualified
最长读取时间：64.5 s座面最大高度：2.25 mm
子类别：Audio Synthesizer ICs最大压摆率：40 mA
最大供电电压 (Vsup)：3.6 V最小供电电压 (Vsup)：2.7 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：0.8 mm端子位置：QUAD
宽度：9.5 mmBase Number Matches：1

ML2252 数据手册

 浏览型号ML2252的Datasheet PDF文件第2页浏览型号ML2252的Datasheet PDF文件第3页浏览型号ML2252的Datasheet PDF文件第4页浏览型号ML2252的Datasheet PDF文件第5页浏览型号ML2252的Datasheet PDF文件第6页浏览型号ML2252的Datasheet PDF文件第7页 
May 1997  
ML2252*, ML2259**  
µP Compatible 8-Bit A/D Converters  
with 2- or 8-Channel Multiplexer  
GENERAL DESCRIPTION  
FEATURES  
The ML2252 and ML2259 combine an 8-bit A/D  
converter, 2- or 8-channel analog multiplexer, and a  
microprocessor compatible 8-bit parallel interface and  
control logic in a single monolithic CMOS device.  
■ Conversion time (f  
= 1.46MHz); 6.6µs  
CLK  
■ Total unadjusted error; ±1/2LSB or ±1LSB  
■ No missing codes  
■ Sample and hold; 390ns acquisition  
■ Capable of digitizing a 5V, 50kHz sinewave  
■ 2- or 8-channel input multiplexer  
Easy interface to microprocessors is provided by the  
latched and decoded multiplexer address inputs and a  
double buffered three-state data bus. These analog-to-  
digital converters allow the microprocessor to operate  
completely asynchronous to the converter clock.  
■ 0V to 5V analog input range with single 5V  
power supply  
The built in sample and hold function provides the ability  
to digitize a 5V, 50kHz sinewave to 8-bit accuracy. The  
differential comparator design provides low power supply  
sensitivity to DC and AC variations. The voltage reference  
can be externally set to any value between ground and  
■ Operates ratiometrically or with up to 5V  
voltage reference  
■ No zero or full scale adjust required  
■ Analog input protection; 25mA per input min  
■ Continuous conversion mode  
V
, thus allowing a full conversion over a relatively  
CC  
small span. All parameters are guaranteed over  
■ Low power dissipation; 15mW max  
temperature with a power supply voltage of 5V ±10%.  
■ TTL and CMOS compatible digital inputs and outputs  
The device is suitable for a wide range of applications  
from process and machine control to consumer,  
automotive, and telecommunication applications.  
* This Part Is Obsolete  
ML2252 BLOCK DIAGRAM  
** This Part Is End of Life As Of August 1, 2000  
START  
V
CC  
CLOCK  
EOC  
CH0  
CH1  
CONTROL  
& TIMING  
2-CHANNEL  
MULTIPLEXER  
+
DB0  
+
Σ
SUCCESSIVE  
APPROXIMATION  
DB1  
COMP  
–
–
8pF  
DB2  
DB3  
DB4  
DB5  
DB6  
DB7  
REGISTER  
THREE  
STATE  
OUTPUT  
BUFFER  
8pF  
ADDRESS  
LATCH  
AND  
D/A  
CONVERTER  
DECODER  
A/D WITH  
SAMPLE-AND-HOLD FUNCTION  
ALE  
A0  
GND  
+V  
–V  
REF  
OE  
REF  
1
1234567...13

中文翻译

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