TDK 73M2901/5V, User Manual

Page 1: ...ptions for a low power conventional 5 volt design with optional internal hybrid and country specific call progress support FEATURES Low overall system chip count True one chip solution for embedded sy...

Page 2: ...ybrid is to be used the on chip hybrid drivers can be reconfigured to drive a minimum load of 50kW and thus reduce the driver s power consumption The hybrid configuration is controlled by the state of...

Page 3: ...og voltage Analog Supply VNA 21 22 I Negative analog voltage Analog Ground VPD 6 25 29 2 12 27 33 I Positive digital voltage Digital Supply VND 5 22 26 11 24 44 28 I Negative digital voltage Digital G...

Page 4: ...O Serial output to DTE TXCLK 28 31 O Transmit Data Synchronous Clock TXD 27 30 I Serial data input from DTE USR10 12 8 I O This pin can optionally be configured as an active low detect pin This can b...

Page 5: ...ency 11 0592MHz 50ppm Operating Temperature 40C to 85 C TRANSMITTER PARAMETER CONDITIONS MIN NOM MAX UNIT ITU Guard Tone Power 550Hz relative to carrier 1800Hz relative to carrier 5 8 3 5 6 5 2 5 dB d...

Page 6: ...high tone 6 0 DTMF low tone 8 0 DTMF total 3 9 Vref 1 25V VPA 5 0V QAM 9 6 DPSK 7 4 FSK 5 3 DTMF high tone 7 9 DTMF low tone 9 8 DTMF total 5 7 Note The recommended DAA see the TDK 73M2901 Reference M...

Page 7: ...3 dB Intermod Distortion At output TXAP TXAN 1 0kHz 1 2 kHz sine waves summed 2 0Vpk for Vref 1 25V 2 4Vpk for Vref 2 25V Refer to CTR21 specification for complete description of requirements sum of u...

Page 8: ...ISTICS PARAMETER SYMBOL CONDITION MIN NOM MAX UNIT Input Low Voltage Except OSCIN RESET VIL 0 5 0 2Vcc V Input Low Voltage OSCIN RESET VIL 0 5 0 2 Vcc V Input High Voltage Except OSCIN RESET VIH 0 5 V...

Page 9: ...m Digital Power Supply 5V IDDd 30pF pin 31 37 mA Maximum Analog Power supply 5V HBDEN pulled high IDDah1 30pF pin 20 25 mA Maximum Analog Power Supply 5V HBDEN pulled low IDDah0 30pF pin 4 6 mA Maximu...

Page 10: ...The firmware will automatically enter a power saving idle mode if the modem is on hook and there are no incoming host commands The modem automatically powers up upon receiving the next command This p...

Page 11: ...dependent on the interface used between the pins and the line In order to save having to provide external op amps to drive the line coupling transformer the analog outputs TXAP and TXAN have the capa...

Page 12: ...1 2901_P32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 ASRCH RING RELAY RI VND VPD DCD DSR CTS RTS USR11 USR10 LIU RST HBDEN VPA TXAN TXAP VREF VBG RXA VNA V...

Page 13: ...73M2901 5V Advanced Single Chip Modem 13 TYPICAL USA APPLICATION SCHEMATICS...

Page 14: ...002A Line 5 0V 25C 1 00E 00 1 00E 01 1 00E 02 1 00E 03 1 00E 04 4 10 11 12 13 14 15 16 17 18 19 8 12 16 20 24 28 32 36 40 44 1 00E 05 1 00E 06 1 00E 00 1 00E 01 1 00E 02 1 00E 03 1 00E 04 1 00E 05 1 0...

Page 15: ...LK 13 RESET 29 VPD 14 HBDEN 30 RXD 15 VPA 31 RXCLK 16 TXAN 32 DTR 44 PIN TQFP PIN OUT PIN PIN NAME PIN PIN NAME PIN PIN NAME PIN PIN NAME 1 N C 12 VPD 23 N C 34 N C 2 VPD 13 N C 24 VND 35 RXD 3 DCD 14...

Page 16: ...73M2901 5V Advanced Single Chip Modem 16 MECHANICAL DRAWINGS 32 Pin PLCC...

Page 17: ...73M2901 5V Advanced Single Chip Modem 17 MECHANICAL DRAWINGS continued 44 Pin TQFP JEDEC LQFP...

Page 18: ...infringements of patents and trademarks or other rights of third parties resulting from its use No license is granted under any patents patent rights or trademarks of TDK Semiconductor Corporation and...

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