看到这这里有这么多人,搞高精度测量的,我提供10片 TQFP48的ADS1216Y 给大家做点东西
如题. 送? 我不要,替楼下问的 是的,如果有人组织一个什么项目的话. 送给大家9片. 我自己还剩了一些ADS1232IPW,就不要了。 好牛的片子啊!口水……8-Channel, 24-Bit Analog-to-Digital Converter (Rev. D) (PDF 971 KB)
07 Sep 2006
ADS1216
Resolution(Bits) 24
Sample Rate (max) 780SPS
Architecture Delta-Sigma
Power Consumption(Typ)(mW) 0.6
DNL(Max)(+/-LSB) 1
INL(Max)(+/-LSB) 0.0015%
No Missing Codes(Bits) 24
ENOB(Bits) 22
No. of Supplies 2
Analog Voltage AV/DD(Min)(V) 2.7
Analog Voltage AV/DD(Max)(V) 5.25
Logic Voltage DV/DD(Min)(V) 2.7
Logic Voltage DV/DD(Max)(V) 5.25
Input Configuration Range Vref/PGA (1-128)
Reference Mode Int
Rating Catalog
Pin/Package 48TQFP
# Input Channels 8
Samples
Inventory
Product Information
Features
24 BITS, NO MISSING CODES
0.0015% INL
22 BITS EFFECTIVE RESOLUTION (PGA = 1), 19 BITS (PGA = 128)
PGA FROM 1 TO 128
SINGLE-CYCLE SETTLING MODE
PROGRAMMABLE DATA OUTPUT RATES: up to 1kHz
ON-CHIP 1.25V/2.5V REFERENCE
EXTERNAL DIFFERENTIAL REFERENCE: 0.1V to 2.5V
ON-CHIP CALIBRATION
SPI™-COMPATIBLE
2.7V TO 5.25V
< 1mW POWER CONSUMPTION
APPLICATIONS
INDUSTRIAL PROCESS CONTROL
LIQUID/GAS CHROMATOGRAPHY
BLOOD ANALYSIS
SMART TRANSMITTERS
PORTABLE INSTRUMENTATION
WEIGHT SCALES
PRESSURE TRANSDUCERS
http://focus.ti.com/docs/prod/folders/print/ads1216.html 不知jj3055和其他一些做电压表的网友是否有愿做一个开源的电压表.
一来送IC给你们;二来,发挥这24位ADC的用途. 放在我这里,再放个一年,也不奇怪的.
还是给有需要的人吧!
如果做好东西不要忘了我就可以了.
./emotion/em013.gif 我先做完我的7135再说,发现做好4位半已经不容易了,做6位半的难度可想而之。牵扯到噪音,短稳,长期稳定性,线性,兼顾各方面,头都大了。 好吧!等你们好消息.
我的QQ: 619989432 ADS1216I和ADS1232IPW都很强,那里申请到的? 我的ADS1232是买的,30多块一片。
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