Product Summary

The HC-55516 is a half duplex modulator/demodulator CMOS intergrated circuit used to convert voice signals into serial NRZ digital data and to reconvert that data into voice. The conversion is by delta-modulation, using the Continuously Variable Slope (CVSD) method of modulation/demodulation. The applications of the HC-55516 include Voice Transmission over Data Channels (Modems), Voice/Data Multiplexing (Pair Gain), Voice Encryption/Scrambling, Voicemail, and Audio Manipulations: Delay Lines, Time Compression, Echo Generation/Suppression, Special Effects, etc. Pagers/Satellites, Data Acquisition Systems, Voice I/O for Digital Systems and Speech Synthesis Requiring Small Size, Low Weight, and Ease of Reprogram ability, Related Literature: AN607, Delta Modulation for Voice Transmission.

Parametrics

HC-55516 absolute maximum ratings: (1)Voltage at Any Pin: GND -0.3V to VDD 0.3V; (2)Maximum VDD Voltage: 7.0V; (3)Junction Temperature: 175℃; (4)Operating VDD: 4.5V to 6.0V; (5)Transistor Count: 1897; (6)Die Dimensions: 147×82; (7)Substrate Potential: +VDD; (8) Process: BiMOSE.

Features

HC-55516 features: (1)All Digital; (2)Requires Few External Parts; (3)Low Power Drain: 1.5mW Typical From Single 4.5V To 6V Supply; (4)Time Constants Determined by Clock Frequency; No Calibration or Drift Problems: Automatic Offset Adjustment; (5)Half Duplex Operation Under Digital Control; (6)Filter Reset Under Digital Control; (7)Automatic Overload Recovery; (8)Automatic "Quiet" Pattern Generation; (9)AGC Control Signal Available.

Diagrams

HC-55516 Pin Configuration

HC-5
HC-5

TE Connectivity

General Purpose / Industrial Relays 1FormA SPST 26.5VDC

Data Sheet

0-1: $267.02
1-5: $256.33
HC-5/115VDC
HC-5/115VDC

TE Connectivity

General Purpose / Industrial Relays RELAY PRESSURIZED

Data Sheet

0-1: $340.42
1-5: $322.50
HC-5/S3
HC-5/S3

TE Connectivity

General Purpose / Industrial Relays RELAY PRESSURIZED SP

Data Sheet

0-1: $267.02
1-5: $252.97
HC-5/12VDC
HC-5/12VDC

TE Connectivity / P&B

General Purpose / Industrial Relays 12VDC 8 A

Data Sheet

0-1: $299.12
1-5: $287.16
HC-50/U
HC-50/U

Other


Data Sheet

Negotiable 
HC-52/HSL
HC-52/HSL

Other


Data Sheet

Negotiable