73M2901CE-IGVR/F Maxim Integrated Products, 73M2901CE-IGVR/F Datasheet - Page 2

• Manufacturer Part Number: 73M2901CE-IGVR/F
• Description: IC MODEM 3.3V V.22BIS 32-TQFP
• Manufacturer: Maxim Integrated Products

Specifications of 73M2901CE-IGVR/F

• Data Format: V.21, V.22, V.23, Bell 103, Bell 212A
• Baud Rates: 300 ~ 9.6k
• Interface: Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 32-TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

73M2901CE Data Sheet
1
2
3
4
5
6
7
8
9
10
11
12
Revision History .................................................................................................................................. 27
2
Hardware Description .................................................................................................................... 4
1.1
1.2
1.3
1.4
1.5
1.6
1.7
Pinout ............................................................................................................................................. 6
Pin Descriptions ............................................................................................................................ 7
3.1
3.2
3.3
3.4
3.5
Electrical Specifications ................................................................................................................ 9
4.1
4.2
4.3
4.4
4.5
4.6
Firmware Description .................................................................................................................. 13
5.1
5.2
Design Considerations ................................................................................................................ 14
6.1
6.2
6.3
6.4
Reference Designs ...................................................................................................................... 21
7.1
7.2
Modem Performance Characteristics ......................................................................................... 23
8.1
8.2
Package Mechanical Drawing ..................................................................................................... 24
9.1
9.2
Ordering Information ................................................................................................................... 26
Related Documentation ............................................................................................................... 26
Contact Information ..................................................................................................................... 26
Power Supply ....................................................................................................................... 4
Low Power Mode .................................................................................................................. 4
Analog Line / Hybrid Interface ............................................................................................... 4
Interrupt Pins ........................................................................................................................ 4
Crystal Oscillator................................................................................................................... 5
1.5.1 Specifying a Crystal ..................................................................................................... 5
Reset .................................................................................................................................... 5
Asynchronous and Synchronous Serial Data Interface .......................................................... 5
Power Pins ........................................................................................................................... 7
Analog Interface Pins ............................................................................................................ 7
Digital Interface Pins ............................................................................................................. 7
External Interrupt Pins .......................................................................................................... 8
Oscillator Pins ....................................................................................................................... 8
Absolute Maximum Ratings................................................................................................... 9
Recommended Operating Conditions .................................................................................... 9
Receiver ............................................................................................................................... 9
Transmitter ......................................................................................................................... 10
Maximum Transmit Level .................................................................................................... 10
DC Characteristics, Vcc = 3.3 V .......................................................................................... 11
4.6.1 DC Supply Current, VDD = 2.7 V (Battery EOL) ......................................................... 11
4.6.2 DC Supply Current , VDD = 3.0 V .............................................................................. 11
4.6.3 DC Supply Current VDD = 3.3 V ................................................................................ 12
4.6.4 DC Supply Current VDD = 3.6 V ................................................................................ 12
Firmware Overview ............................................................................................................. 13
Firmware Features .............................................................................................................. 13
Layout Considerations ........................................................................................................ 14
73M2901CE Design Compatibility ....................................................................................... 15
Telephone Line Interface .................................................................................................... 15
Functional Considerations ................................................................................................... 16
6.4.1 SMS and V.23 Half Duplex ........................................................................................ 16
6.4.2 Leased Line Mode ..................................................................................................... 16
6.4.3 73M2901CE Energy Ring Detection .......................................................................... 17
6.4.4 Caller ID Mode Changes ........................................................................................... 18
6.4.5 Selectable Answer Tone Frequency Detection ........................................................... 18
6.4.6 73M2901CE S99 Country Code Support ................................................................... 18
Low Cost Design Using DSP Ring and Status Monitoring .................................................... 21
Reference Design Using Traditional Hardware Line Monitoring ........................................... 22
BER versus SNR ................................................................................................................ 23
BER versus Receive Level .................................................................................................. 23
32-Pin QFN ........................................................................................................................ 24
32-Pin TQFP....................................................................................................................... 25
Table of Contents
DS_2901CE_031
Rev. 3.4