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73M1903 Datasheet(PDF) 3 Page - Teridian Semiconductor Corporation |
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73M1903 Datasheet(HTML) 3 Page - Teridian Semiconductor Corporation |
3 / 46 page DS_1903_032 73M1903 Data Sheet Rev. 2.0 3 Figures Figure 1: SCLK and FS with SckMode = 0 ................................................................................................... 7 Figure 2: Control Frame Position versus SPOS ........................................................................................... 7 Figure 3: Serial Port Timing Diagram............................................................................................................ 9 Figure 4: Analog Block Diagram ................................................................................................................. 11 Figure 5: Clock Generation ......................................................................................................................... 17 Figure 6: Overall Receiver Frequency Response ....................................................................................... 19 Figure 7: Rx Passband Response .............................................................................................................. 19 Figure 8: RXD Spectrum of 1 kHz Tone ..................................................................................................... 20 Figure 9: RXD Spectrum of 0.5 kHz, 1 kHz, 2 kHz, 3 kHz and 3.5 kHz Tones of Equal Amplitudes ......... 20 Figure 10: Frequency Response of TX Path for DC to 4 kHz in Band Signal ............................................ 21 Figure 11: Serial Port Data Timing.............................................................................................................. 28 Figure 12: 32-Pin QFN Pinout..................................................................................................................... 33 Figure 13: 20-Pin TSSOP Pinout ................................................................................................................ 34 Figure 14: 32-Pin QFN Mechanical Specifications ..................................................................................... 35 Figure 15: 20-Pin TSSOP Mechanical Specifications................................................................................. 36 Figure 15: NCO Block Diagram .................................................................................................................. 41 Figure 16: PLL Block Diagram .................................................................................................................... 42 Tables Table 1: Inputs Selected in Regular and Alternate Multiplexer Cycles ......................................................... 4 Table 2: Memory Map ................................................................................................................................... 8 Table 3: PLL Loop Filter Settings................................................................................................................ 11 Table 4: Kvco versus Settings at Vc=1.6 V, 25 °C...................................................................................... 13 Table 5: PLL Power Down .......................................................................................................................... 14 Table 6: Examples of NCO Settings ........................................................................................................... 14 Table 7: Clock Generation Register Settings for Fxtal = 27 MHz ............................................................... 15 Table 8: Clock Generation Register Settings for Fxtal = 24.576 MHz ........................................................ 16 Table 9: Clock Generation Register Settings for Fxtal = 9.216 MHz .......................................................... 16 Table 10: Clock Generation Register Settings for Fxtal = 24.000 MHz ...................................................... 17 Table 11: Clock Generation Register Settings for Fxtal = 25.35 MHz ........................................................ 17 Table 12: Receive Gain............................................................................................................................... 18 Table 13: Peak to RMS Ratios for Various Modulation Types.................................................................... 23 Table 14: Serial I/F Timing .......................................................................................................................... 28 Table 15: Reference Voltage Specifications ............................................................................................... 29 Table 16: Maximum Transmit Levels .......................................................................................................... 29 Table 17: Receiver Performance Specifications ......................................................................................... 30 Table 18: Transmitter Performance Specifications ..................................................................................... 31 Table 19: 32-Pin QFN Pin Definitions ......................................................................................................... 33 Table 20: 20-Pin TSSOP Pin Definitions .................................................................................................... 34 |
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