图片仅供参考,请以实物为准 MT8870DNR1 生产厂商: microsemi 产品描述: DTMF RX 3.58MHz CMOS 5V 20-Pin SSOP T/R 标准包装 Tape & Reel 满1000元免运费及包装费 参数 参数 数值 规格书 数据手册下载 Package 20SSOP Operating Frequency 3.58 MHz Typical Supply Current 3 mA Typical Operating Supply Voltage 5 V Minimum Operating Supply Voltage 4.75 V Maximum Operating Supply Voltage 5.25 V Category DTMF Transceiver Manufacturer Microsemi 同系列产品