(China (Mainland))
Product Summary
The mc145532l is an adaptive differential pulse code modulation (ADPCM) transcoder. The mc145532l provides a low–cost, full–duplex, single–channel transcoder to (from) a 64 kbps PCM channel from (to) either a 16 kbps, 24 kbps, 32 kbps, or 64 kbps channel.
Parametrics
mc145532l absolute maximum ratings: (1)DC Supply Voltage VDD: -0.5 to + 7.0 V; (2)Voltage, Any Pin to VSS V: -0.5 to VDD + 0.5 V; (3)DC Current, Any Pin Iin: 10 mA; (4)Operating Temperature TA: -40 to + 85 °C; (5)Storage Temperature Tstg: -85 to + 150 °C; (6)Power Dissipation PD: 0.28 W; (7)Input Capacitance Cin: 10 pF.
Features
mc145532l features: (1)Complies with CCITT Recommendation G.721–1988; (2)Complies with the American National Standard (T1.301–1987); (3)Full–Duplex, Single–Channel Operation; (4)Mu–Law or A–Law Coding is Pin Selectable; (5)Synchronous or Asynchronous Operation; (6)Easily Interfaces with Any Member of Motorolas PCM Codec–Filter Mono–Circuit Family or Other Industry Standard Codec; (7)Serial PCM and ADPCM Data Transfer Rate from 64 kbps to 5.12 Mbps; (8)Power–Down Capability for Low Current Consumption; (9)The Reset State, an Option Specified in the Standards, is Automatically Initiated When the RESET Pin is Released; (10)Simple Time Slot Assignment Timing for Transcoder Applications; (11)Single 5 V Power Supply; (12)16–Pin Package.
Diagrams
