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MAX146BCPP

更新时间： 2024-02-26 12:21:31
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
24页 198K
描述
+2.7Low-Power, 8-Channel, Serial 12-Bit ADCs

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MAX146BCPP 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：DIP
包装说明：CERAMIC, DIP-20针数：20
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.28
Is Samacsys：N最大模拟输入电压：2.5 V
最小模拟输入电压：最长转换时间：65 µs
转换器类型：ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码：R-GDIP-T20
JESD-609代码：e0最大线性误差 (EL)：0.0244%
湿度敏感等级：1模拟输入通道数量：8
位数：12功能数量：1
端子数量：20最高工作温度：125 °C
最低工作温度：-55 °C输出位码：BINARY
输出格式：SERIAL封装主体材料：CERAMIC, GLASS-SEALED
封装代码：DIP封装等效代码：DIP20,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：240电源：3/3.3 V
认证状态：Not Qualified采样速率：0.133 MHz
采样并保持/跟踪并保持：TRACK座面最大高度：5.08 mm
子类别：Analog to Digital Converters标称供电电压：3 V
表面贴装：NO技术：CMOS
温度等级：MILITARY端子面层：Tin/Lead (Sn85Pb15)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：20
宽度：7.62 mmBase Number Matches：1

MAX146BCPP 数据手册

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19-0465; Rev 1; 6/97  
+2 .7 V, Lo w -P o w e r, 8 -Ch a n n e l,  
S e ria l 1 2 -Bit ADCs  
6/MAX147  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
The MAX146/MAX147 12-bit data-acquisition systems  
c omb ine a n 8-c ha nne l multip le xe r, hig h-b a nd wid th  
track/hold, and serial interface with high conversion  
speed and low power consumption. The MAX146 oper-  
ates from a single +2.7V to +3.6V supply; the MAX147  
operates from a single +2.7V to +5.25V supply. Both  
devices’ analog inputs are software configurable for  
unipolar/bipolar and single-ended/differential operation.  
♦ 8-Channel Single-Ended or 4-Channel  
Differential Inputs  
♦ Single-Supply Operation:  
+2.7V to +3.6V (MAX146)  
+2.7V to +5.25V (MAX147)  
♦ Internal 2.5V Reference (MAX146)  
♦ Low Power: 1.2mA (133ksps, 3V supply)  
54µA (1ksps, 3V supply)  
The 4-wire serial interface connects directly to SPI™/  
QSPI™ and Microwire™ devices without external logic. A  
serial strobe output allows direct connection to TMS320-  
family digital signal processors. The MAX146/MAX147  
use either the internal clock or an external serial-interface  
clock to perform successive-approximation analog-to-  
digital conversions.  
1µA (power-down mode)  
♦ SPI/QSPI/Microwire/TMS320-Compatible  
4-Wire Serial Interface  
♦ Software-Configurable Unipolar or Bipolar Inputs  
♦ 20-Pin DIP/SSOP Packages  
The MAX146 has an internal 2.5V reference, while the  
MAX147 requires an external reference. Both parts have  
a re fe re nc e -b uffe r a mp lifie r with a ± 1.5% volta g e -  
adjustment range.  
______________Ord e rin g In fo rm a t io n  
INL  
(LSB)  
PART†  
TEMP. RANGE PIN-PACKAGE  
These devices provide a hard-wired SHDN pin and a  
s oftwa re -s e le c ta b le p owe r-d own, a nd c a n b e p ro-  
grammed to automatically shut down at the end of a con-  
version. Accessing the serial interface automatically  
powers up the MAX146/MAX147, and the quick turn-on  
time allows them to be shut down between all conver-  
sions. This technique can cut supply current to under  
60µA at reduced sampling rates.  
MAX146ACPP  
MAX146BCPP  
MAX146ACAP  
MAX146BCAP  
MAX146BC/D  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
20 Plastic DIP  
20 Plastic DIP  
20 SSOP  
±1/2  
±1  
±1/2  
±1  
20 SSOP  
Dice*  
±1  
Ordering Information continued at end of data sheet.  
Contact factory for availability of alternate surface-mount  
packages.  
†
The MAX146/MAX147 are available in 20-pin DIP and  
SSOP packages.  
*Dice are specified at T = +25°C, DC parameters only.  
A
For 4-c ha nne l ve rs ions of the s e d e vic e s , s e e the  
MAX1246/MAX1247 data sheet.  
__________Typ ic a l Op e ra t in g Circ u it  
________________________Ap p lic a t io n s  
+3V  
Portable Data Logging  
Medical Instruments  
Pen Digitizers  
Data Acquisition  
V
DD  
V
CH0  
DD  
0.1µF  
Battery-Powered Instruments  
Process Control  
0V TO  
+2.5V  
ANALOG  
INPUTS  
DGND  
MAX146  
AGND  
COM  
CPU  
CH7  
I/O  
VREF  
CS  
4.7µF  
SCLK  
SCK (SK)  
MOSI (SO)  
MISO (SI)  
Pin Configuration appears at end of data sheet.  
DIN  
DOUT  
REFADJ  
0.047µF  
SSTRB  
SHDN  
V
SS  
SPI and QSPI are registered trademarks of Motorola, Inc.  
Microwire is a registered 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  
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