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CDB61577 数据表(PDF) 3 Page - Cirrus Logic |
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CDB61577 数据表(HTML) 3 Page - Cirrus Logic |
3 / 44 page ANALOG SPECIFICATIONS (TA = -40 °C to 85°C; TV+, RV+ = 5.0V ±5%; GND = 0V) Parameter Min Typ Max Units Transmitter AMI Output Pulse Amplitudes (Note 11) E1, 75 Ω (Note 12) E1, 120 Ω (Note 13) T1, (FCC Part 68) (Note 14) T1, DSX-1 (Note 15) 2.14 2.7 2.7 2.4 2.37 3.0 3.0 3.0 2.6 3.3 3.3 3.6 V V V V Load Presented To Transmitter Output (Note 11) - 25 - Ω Jitter Added During Remote Loopback (Note 16) 10Hz - 8kHz 8kHz - 40kHz 10Hz - 40kHz Broad Band - - - - 0.005 0.008 0.010 0.015 - - - - UI UI UI UI Power in 2kHz band about 772kHz (Notes 11, 17) 12.6 15 17.9 dBm Power in 2kHz band about 1.544MHz (Notes 11, 17) (referenced to power in 2kHz band at 772kHz) -29 -38 - dB Positive to Negative Pulse Imbalance (Notes 11, 17) - 0.2 0.5 dB Transmitter Output Impedance (Notes 17, 18) - - 10 Ω Transmitter Short Circuit Current (Notes 11, 19) - - 50 mA RMS Notes: 11. Using a 0.47 µF capacitor in series with the primary of a transformer recommended in the Applications Section. 12. Pulse amplitude measured at the output of the transformer across a 75 Ω load for line length settings LEN2/1/0 = 0/0/1 and 0/0/0. For LEN2/1/0 = 0/0/0 only, a 4.4 Ω resistor is required in series with the transformer primary. 13. Pulse amplitude measured at the output of the transformer across a 120 Ω load for line length setting LEN2/1/0 = 0/0/0. 14. Pulse amplitude measured at the output of the transformer across a 100 Ω load for line length setting LEN2/1/0 = 0/1/0. 15. Pulse amplitude measured at the DSX-1 Cross-Connect for all line length settings from LEN2/1/0 = 0/1/1 to LEN2/1/0 = 1/1/1. 16. Input signal to RTIP/RRING is jitter free. Values will reduce slightly if jitter free clock is input to TCLK. 17. Not production tested. Parameters guaranteed by design and characterization. 18. Measured between the TTIP and TRING pins at 772 kHz during marks and spaces. 19. Measured broadband through a 0.5 Ω resistor across the secondary of the transmitter transformer during the transmission of an all ones data pattern with LEN2/1/0 = 0/0/0 or 0/0/1. CS61577 DS155PP2 3 |
类似零件编号 - CDB61577 |
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类似说明 - CDB61577 |
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