图片仅供参考,请以实物为准 ZL49030DDB 生产厂商: microsemi 产品描述: DTMF RX 3.579MHz 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 Category DTMF Transceiver Maximum Operating Supply Voltage 5.25 V Package 20SSOP Minimum Operating Supply Voltage 4.25 V Typical Operating Supply Voltage 5 V Operating Frequency 3.579 MHz Typical Supply Current 3 mA Manufacturer Microsemi 同系列产品