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MAX191BEWG+T PDF预览

MAX191BEWG+T

更新时间: 2024-12-01 13:10:27
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
24页 228K
描述
ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial, Parallel, 8 Bits Access, CMOS, PDSO24, SOP-24

MAX191BEWG+T 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:SOIC
包装说明:SOP, SOP24,.4针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:7 weeks
风险等级:5.08Is Samacsys:N
最大模拟输入电压:5 V最小模拟输入电压:-5 V
最长转换时间:18 µs转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PDSO-G24JESD-609代码:e3
长度:15.4 mm最大线性误差 (EL):0.0244%
湿度敏感等级:1标称负供电电压:-5 V
模拟输入通道数量:1位数:12
功能数量:1端子数量:24
最高工作温度:85 °C最低工作温度:-40 °C
输出位码:BINARY输出格式:SERIAL, PARALLEL, 8 BITS
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP24,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:5,GND/-5 V认证状态:Not Qualified
采样速率:0.00833 MHz采样并保持/跟踪并保持:TRACK
座面最大高度:2.65 mm子类别:Analog to Digital Converters
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:7.5 mm
Base Number Matches:1

MAX191BEWG+T 数据手册

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19-4506; Rev 4; 2/97  
Lo w -P o w e r, 1 2 -Bit S a m p lin g ADC  
w it h In t e rn a l Re fe re n c e a n d P o w e r-Do w n  
MAX91  
Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
12-Bit Resolution, 1/2LSB Linearity  
+5V or ±5V Operation  
Built-In Track/Hold  
Internal Reference with Adjustment Capability  
The MAX191 is a monolithic, CMOS, 12-bit analog-to-  
digital converter (ADC) featuring differential inputs,  
track/hold (T/H), internal voltage reference, internal or  
external clock, and parallel or serial µP interface. The  
MAX191 has a 7.5µs conversion time, a 2µs acquisition  
time, and a guaranteed 100ksps sample rate.  
Low Power: 3mA Operating Mode  
20µA Power-Down Mode  
The MAX191 operates from a single +5V supply or from  
dual ±5V supplies, allowing ground-referenced bipolar  
input signals. The device features a logic power-down  
input, which reduces the 3mA VDD supply current to  
50µA max, including the internal-reference current.  
100ksps Tested Sampling Rate  
Serial and 8-Bit Parallel µP Interface  
24-Pin Narrow DIP and Wide SO Packages  
Ord e rin g In fo rm a t io n  
Decoupling capacitors are the only external compo-  
nents needed for the power supply and reference. This  
ADC operates with either an external reference, or an  
internal reference that features an adjustment input for  
trimming system gain errors.  
ERROR  
(LSB)  
PART  
TEMP. RANGE  
PIN-PACKAGE  
MAX191ACNG  
MAX191BCNG  
MAX191ACWG  
MAX191BCWG  
MAX191BC/D  
MAX191AENG  
MAX191BENG  
0°C to +70°C 24 Narrow Plastic DIP ±1/2  
0°C to +70°C 24 Narrow Plastic DIP ±1  
The MAX191 provides three interface modes: two 8-bit  
parallel modes, and a serial interface mode that is com-  
patible with SPITM, QSPITM, and MICROWIRETM serial-  
interface standards.  
0°C to +70°C 24 Wide SO  
0°C to +70°C 24 Wide SO  
0°C to +70°C Dice*  
±1/2  
±1  
±1  
-40°C to +85°C 24 Narrow Plastic DIP ±1/2  
-40°C to +85°C 24 Narrow Plastic DIP ±1  
________________________Ap p lic a t io n s  
Battery-Powered Data Logging  
PC Pen Digitizers  
MAX191AEWG -40°C to +85°C 24 Wide SO  
MAX191BEWG -40°C to +85°C 24 Wide SO  
±1/2  
±1  
MAX191AMRG  
MAX191BMRG  
-55°C to +125°C 24 Narrow CERDIP** ±1/2  
-55°C to +125°C 24 Narrow CERDIP** ±1  
High-Accuracy Process Control  
Electromechanical Systems  
Data-Acquisition Boards for PCs  
Automatic Testing Systems  
* Dice are specified at T = +25°C, DC parameters only.  
** Contact factory for availability and processing to MIL-STD-883.  
A
Telecommunications  
Digital Signal Processing (DSP)  
P in Co n fig u ra t io n  
TOP VIEW  
Fu n c t io n a l Dia g ra m  
PD  
V
1
2
DD  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
V
DD  
24  
CLK/SCLK  
23  
V
SS  
CLK/SCLK  
PAR  
18  
17  
16  
15  
14  
13  
11  
10  
5
6
AIN+  
D7/DOUT  
D6/SCLK  
3
VREF  
OSC  
3-STATE  
OUTPUT  
REFADJ  
OUT  
AIN-  
HBEN  
4
D5/SSTRB  
D4  
MAX191  
VREF  
REFADJ  
AGND  
BIP  
CS  
5
8-BIT  
BUS  
AND  
SERIAL  
I/O  
D3/D11  
D2/D10  
D1/D9  
D0/D8  
RD  
6
2.46V  
REF  
D7/DOUT  
D6/SCLK  
7
12  
8
OUT  
3
4
AIN +  
AIN -  
BUSY  
D0/D8  
D1/D9  
DGND  
D5/SSTRB  
D4  
9
20  
CS  
RD  
BUSY  
HBEN  
10  
11  
12  
IN REF OUT  
19  
9
21  
CONTROL  
LOGIC  
12-BIT  
D3/D11  
D2/D10  
MAX191  
SAR ADC  
1
PD  
7
12  
AGND DGND  
2
V
SS  
22  
8
BIP  
PAR  
DIP/SO  
SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 408-737-7600 ext. 3468.  

MAX191BEWG+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX191ACWG+T MAXIM

完全替代

ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO24, SOP

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