Tdk 73M2901/5V User Manual

73M2901/5V Advanced Single Chip Modem DESCRIPTION The 73M2901/5V is a single-chip modem that combines all the controller (DTE) and data pump functi

73M2901/5V Advanced Single Chip Modem 10 FIRMWARE DESCRIPTION2 An “AT” command interpreter provides command and configuration of the 73M2901/5V. This

73M2901/5V Advanced Single Chip Modem 11 DESIGN CONSIDERATIONS TDK Semiconductor’s single chip modem solutions include all the basic modem functions.

73M2901/5V Advanced Single Chip Modem 12 Telephone LineT15.1KR4R3 21KR1TXAPRXATXAN475C10.033mMidcom 671-8005 Recommended Line Interface R2 21K PR

73M2901/5V Advanced Single Chip Modem 13 TYPICAL USA APPLICATION SCHEMATICS

73M2901/5V Advanced Single Chip Modem 14 BER VS SNR BER VS RECEIVE LEVEL V.22bis 3002A Line, 5.0V, 25CV.22bis 3002A Line, 5.0V, 25C1.00E+001.00E-0

73M2901/5V Advanced Single Chip Modem 15 32 PIN PLCC PIN-OUT PIN PIN NAME PIN PIN NAME 1 ASRCH 17 TXAP 2 RING 18 VREF 3 RELAY 19 VBG 4 R

73M2901/5V Advanced Single Chip Modem 16 MECHANICAL DRAWINGS 32-Pin PLCC

73M2901/5V Advanced Single Chip Modem 17 MECHANICAL DRAWINGS (continued) 44-Pin TQFP (JEDEC LQFP)

73M2901/5V Advanced Single Chip Modem 18 PACKAGE PIN DESIGNATIONS (Top View) 32-Lead PLCC 44-Pin TQFP 73M2901-32IH/5 73M2901-IGT/5 ORDERI

73M2901/5V Advanced Single Chip Modem 19 August 22, 2001 Removed 5V pin callouts from package drawing. August 30, 2001 Updated Mechanical Drawing

73M2901/5V Advanced Single Chip Modem 2 HARDWARE DESCRIPTION The 73M2901/5V is designed for a single +5 volt supply with low power consumption (~250

73M2901/5V Advanced Single Chip Modem 3 RESET A reset is accomplished by holding the RESET pin high. To ensure a proper power-on reset, the reset pi

73M2901/5V Advanced Single Chip Modem 4 PIN DESCRIPTIONS (continued) OSCILLATOR PIN DESCRIPTION PIN NAME 32-PIN 44-PIN TYPE DESCRIPTION OSCIN 24

73M2901/5V Advanced Single Chip Modem 5 ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS Operation above maximum rating may permanently damage the

73M2901/5V Advanced Single Chip Modem 6 ELECTRICAL SPECIFICATIONS (continued) MAXIMUM TRANSMIT LEVELS Vref=2.25V; VPA=5.0V Transmit type Maximum d

73M2901/5V Advanced Single Chip Modem 7 ELECTRICAL SPECIFICATIONS (continued) TRANSMITTER PARAMETER CONDITIONS MIN NOM MAX UNIT Gain Adjust Tole

73M2901/5V Advanced Single Chip Modem 8 ELECTRICAL SPECIFICATIONS (continued) RECEIVER (continued) PARAMETER TEST CONDITION MIN NOM MAX UNITS In

73M2901/5V Advanced Single Chip Modem 9 ELECTRICAL SPECIFICATIONS (continued) DC CHARACTERISTICS PARAMETER SYMBOL CONDITION MIN NOM MAX UNIT 5V