Holtek HT9170D-18SOP, DTMF Decoder, 3.57 to 3.58MHz, 18-Pin SOP
Holtek HT9170D-18SOP, DTMF Decoder, 3.57 to 3.58MHz, 18-Pin SOP, Operating Frequency: 3.57 → 3.58MHz, Fabrication Technology: CMOS, Minimum CMRR: 60dB, Mounting Type: Surface Mount, Dimensions: 11.76 x 7.62 x 2.34mm, Length: 11.76mm, Maximum Operating Supply Voltage: 5.5 V, Maximum Operating Temperature: +75 °C, Minimum Operating Supply Voltage: 2.5 V, Minimum Operating Temperature: -20 °C, Width: 7.62mm