The M62370GP is a CMOS semiconductor IC,containing 36 channels of 8-bit D-A converters.It is operable with a low supply voltage between 2.7~3.6V,and is easy to use due to serial data input,and 3-pin(DI,CLK,LD)connection with microcomputer.The IC also contains Do pin terminal,enabling cascade connection,and therefore is suitable for automatic control in combination with a microcomputer.