• Complete DTMF Receiver 

• Low power consumption 

• Internal gain setting amplifier 

• Adjustable guard time 

• Central office quality 

• Power-down mode 

• Inhibit mode 

• Backward compatible with MT8870C/MT8870C-1

• Overload protection on the input and output
• No latch-up when the common mode range is exceeded
• Applications: Audio, Communications & Networking, Signal Processing

• Featuring Unit rode L293 and L293D
• Wide Supply-Voltage Range: 4.5 V to 36 V
• Separate Input-Logic Supply
• Internal ESD Protection
• Thermal Shutdown
• High-Noise-Immunity Inputs
• Output Current 1 A Per Channel (600 mA for L293D)
• Peak Output Current 2 A Per Channel (1.2 A for L293D)
• Output Clamp Diodes for Inductive Transient Suppression (L293D)

• IC Type: HT12E Encoder IC
• Operating Voltage: Typically operates within a voltage range of 2.4V to 12V, providing flexibility for various applications.
• Data Encoding: Converts parallel data inputs into serial data output suitable for transmission over radio frequency (RF) or infrared (IR) communication channels.
• Address Coding: Allows for address coding for secure communication between transmitters and receivers.