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AM79R70-1JC Folha de dados(PDF) 7 Page - Advanced Micro Devices |
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AM79R70-1JC Folha de dados(HTML) 7 Page - Advanced Micro Devices |
7 / 20 page SLIC Products 7 ELECTRICAL CHARACTERISTICS Description Test Conditions (See Note 1) Min Typ Max Unit Note Transmission Performance 2-wire return loss 200 Hz to 3.4 kHz (Test Circuit D) 26 dB 1, 4, 6 ZVTX, analog output impedance 3 20 Ω 4 VVTX, analog output offset voltage –50 +50 mV ZRSN, analog input impedance 1 20 Ω 4 Overload level, 2-wire and 4-wire, off hook Active state 2.5 Vpk 2a Overload level, 2-wire On hook, RLAC = 600 Ω 0.88 Vrms 2b THD (Total Harmonic Distortion) +3 dBm, BAT2 = –24 V –64 –50 dB 5 THD, on hook, OHT state 0 dBm, RLAC = 600 Ω, BAT1 = –67 V –40 Longitudinal Performance (See Test Circuit C) Longitudinal to metallic L-T, L-4 balance 200 Hz to 3.4 kHz 40 dB Longitudinal signal generation 4-L 200 Hz to 800 Hz, Normal polarity 40 Longitudinal current per pin (A or B) Active or OHT state 12 28 mArms 4 Longitudinal impedance at A or B 0 to 100 Hz, TA = +25°C 25 Ω/pin Idle Channel Noise C-message weighted noise +7 +14 dBrnC Psophometric weighted noise –83 –76 dBmp 4 Insertion Loss and Four- to Four-Wire Balance Return Signal (See Test Circuits A and B) Gain accuracy 4- to 2-wire 0 dBm, 1 kHz –0.20 0 +0.20 dB 3 Gain accuracy 2- to 4-wire and 4- to 4-wire 0 dBm, 1 kHz –6.22 –6.02 –5.82 Gain accuracy 4- to 2-wire OHT state, on hook –0.35 0 +0.35 Gain accuracy 2- to 4-wire and 4- to 4-wire OHT state, on hook –6.37 –6.02 –5.77 Gain accuracy over frequency 300 to 3400 Hz relative to 1 kHz –0.10 +0.10 Gain tracking +3 dBm to –55 dBm relative to 0 dBm –0.10 +0.10 3, 4 Gain tracking OHT state, on hook 0 dBm to –37 dBm +3 dBm to 0 dBm –0.10 –0.35 +0.10 +0.35 3, 4 3 Group delay 0 dBm, 1 kHz 3 µs 1, 4, 6 |
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