ADS1147IPWR 16-Bit 2kSPS 4-Ch ADC Pẹlu PGA

Awọn ADS1146, ADS1147, ati awọn ẹrọ ADS1148 jẹ konge, 16-bit afọwọṣe-si-digital converters (ADCs) ti o ni ọpọlọpọ awọn ẹya ara ẹrọ lati dinku iye owo eto ati iṣiro paati fun awọn ohun elo wiwọn sensọ.Awọn ẹrọ naa ṣe ẹya ariwo-kekere kan, ampilifaya ere ti eto (PGA), delta-sigma pipe (ΔΣ) ADC kan pẹlu àlẹmọ oni nọmba iwọn-ọkan kan, ati oscillator inu.Awọn ẹrọ ADS1147 ati ADS1148 tun pese itumọ-sinu, itọkasi foliteji kekere-kekere, ati awọn orisun isunmọ lọwọlọwọ meji ti o baamu (IDACs).

Multixer input ṣe atilẹyin awọn igbewọle iyatọ mẹrin fun ADS1148, meji fun ADS1147, ati ọkan fun ADS1146.Ni afikun, multiplexer ṣepọ wiwa wiwa-ina sensọ, aiṣedeede foliteji fun awọn thermocouples, ibojuwo eto, ati idi gbogbogbo oni I/Os (ADS1147 ati ADS1148).PGA n pese awọn anfani ti o yan titi di 128 V/V.Awọn ẹya wọnyi pese ojutu pipe-opin iwaju fun awọn ohun elo wiwọn sensọ iwọn otutu pẹlu awọn thermocouples, thermistors, ati awọn aṣawari iwọn otutu resistance (RTDs) ati awọn wiwọn ifihan agbara kekere miiran pẹlu awọn sensọ afara resistive.Ajọ oni-nọmba n gbe ni ọna kan lati ṣe atilẹyin gigun kẹkẹ ikanni iyara nigbati o nlo multiplexer titẹ sii ati pese awọn oṣuwọn data to 2 kSPS.Fun awọn oṣuwọn data ti 20 SPS tabi kere si, mejeeji 50-Hz ati kikọlu 60-Hz jẹ kọ nipasẹ àlẹmọ.