DDC2256A 256-Channel, Current-Input Analog-To-Digital Converter

1 Features 1? Single-Chip Solution to Directly Measure 256 Low- Level Currents Simultaneously ? User Adjustable Full-Scale Range ? Adjustable Speed with Integration Times as Low as 58.8 μs (17 KSPS per channel) with 24 bit Resolution ? Power Dissipation as Low as 1.7mW/channel ? Integral L

文件：237.81 Kbytes 頁(yè)數(shù)：7 Pages

TI

德州儀器

256-Channel, Current-Input Analog-To-Digital Converter

文件：170.96 Kbytes 頁(yè)數(shù)：7 Pages

TI

德州儀器

絲?。?strong>DDC2256A；Package：NFBGA；DDC2256A 256-Channel, Current-Input Analog-To-Digital Converter

1 Features 1? Single-Chip Solution to Directly Measure 256 Low- Level Currents Simultaneously ? User Adjustable Full-Scale Range ? Adjustable Speed with Integration Times as Low as 58.8 μs (17 KSPS per channel) with 24 bit Resolution ? Power Dissipation as Low as 1.7mW/channel ? Integral L

文件：237.81 Kbytes 頁(yè)數(shù)：7 Pages

TI

德州儀器

絲?。?strong>DDC2256A；Package：NFBGA；DDC2256A 256-Channel, Current-Input Analog-To-Digital Converter

1 Features 1? Single-Chip Solution to Directly Measure 256 Low- Level Currents Simultaneously ? User Adjustable Full-Scale Range ? Adjustable Speed with Integration Times as Low as 58.8 μs (17 KSPS per channel) with 24 bit Resolution ? Power Dissipation as Low as 1.7mW/channel ? Integral L

文件：237.81 Kbytes 頁(yè)數(shù)：7 Pages

TI

德州儀器

絲?。?strong>DDC2256A；Package：NFBGA；DDC2256A 256-Channel, Current-Input Analog-To-Digital Converter

1 Features 1? Single-Chip Solution to Directly Measure 256 Low- Level Currents Simultaneously ? User Adjustable Full-Scale Range ? Adjustable Speed with Integration Times as Low as 58.8 μs (17 KSPS per channel) with 24 bit Resolution ? Power Dissipation as Low as 1.7mW/channel ? Integral L

文件：237.81 Kbytes 頁(yè)數(shù)：7 Pages

TI

德州儀器

256-Channel, Current-Input Analog-To-Digital Converter

文件：170.96 Kbytes 頁(yè)數(shù)：7 Pages

TI

德州儀器

256 通道、電流輸入模數(shù)轉(zhuǎn)換器

DDC2256A 是一款 24 位、256 通道、電流輸入模數(shù) (A/D) 轉(zhuǎn)換器。該器件將電流電壓積分和 A/D 轉(zhuǎn)換完美結(jié)合，能夠直接將 256 個(gè)單獨(dú)的低電平電流輸出器件（例如二極管）接至其輸入端，從而并行（同時(shí)）實(shí)施數(shù)字化。對(duì)于全部 路輸入，DDC2256A 都分別提供了一個(gè)低噪聲/低功耗積分器，專用于捕捉傳感器中的全部電荷。 積分時(shí)間可在 58.8μs 到 100ms 范圍內(nèi)調(diào)整，從而允許以出色的精度連續(xù)測(cè)量 fA 到 uA 級(jí)別的電流。積分器的輸出通過(guò)十六個(gè) 24 位低功耗 ADC 進(jìn)行數(shù)字化，生成的所有數(shù)據(jù)通過(guò)單個(gè) LVDS 串行接口對(duì)輸出，該接口經(jīng)設(shè)計(jì)可最大限度減少高通道數(shù)應(yīng)用 ? 單芯片解決方案，可同時(shí)直接測(cè)量 256 個(gè)低電平電流\n? 用戶可調(diào)的滿量程范圍\n? 可調(diào)整速度，積分時(shí)間短至 58.8μs（每條通道 17KSPS），24 位分辨率\n? 每條通道的功耗低至 1.7mW\n? 積分線性度：±0.025%，±1ppm FSR（所有通道均處于活動(dòng)狀態(tài)）\n? 低噪聲\n? 24 位 ADC\n? 同時(shí)采樣且無(wú)電荷損失\n? 板載溫度傳感器\n? 封裝內(nèi)置旁路電容和基準(zhǔn)緩沖器，可減小 PCB 面積并降低設(shè)計(jì)復(fù)雜度\n? 串行 LVDS 和 CMOS 輸出接口選項(xiàng);

TI

德州儀器

Package：323-LFBGA；包裝：管件 類別：集成電路（IC） 模數(shù)轉(zhuǎn)換器（ADC） 描述：IC ADC 24BIT SIG-DELTA 323NFBGA

TI

德州儀器