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ACE9040 Arkusz danych(PDF) 7 Page - Mitel Networks Corporation |
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ACE9040 Arkusz danych(HTML) 7 Page - Mitel Networks Corporation |
7 / 33 page 7 ACE9040 ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1): T AMB = – 40 °C to + 85 °C, V DD = 3.6 V to 5.0 V Characteristic Value Unit Conditions Min. Typ. Max. Receive Path RX Input stage RXSENSE, RXI to RBPO pins Input bias V DD/2 Internally biased to V DD/2 by 150 kΩ Nominal gain 7.25 8 8.75 dB Gain adjustment range – 6 6.4 dB Input 40 mVrms at RXI Gain adjustment step size 0.2 0.4 0.6 dB RXM = 1, RXSENSE = 0 to 31 RX Audio Bandpass Filter RXBPF Gain 0 dB Distortion 1 %THD At 1 kHz with 40 mVrms input Noise – 65 dB BW= 30 Hz to 30 kHz Frequency Response – 90.0 – 45.0 dB f = 60 Hz RXSENSE = 0 dB Relative to 1040 Hz – 15.0 – 7.0 dB f = 184 Hz COMP[1:0] = 00 – 2.0 + 0.5 dB f = 430 Hz – 0.5 + 0.5 dB f = 676 Hz, 1040 Hz – 0.5 + 0.5 dB f = 1410 Hz, 1900 Hz – 3.0 – 0.5 dB f = 3260 Hz – 10.0 – 6.0 dB f = 3500 Hz – 40.0 – 25.0 dB f = 4120 Hz – 40.0 – 25.0 dB f = 5590 Hz – 90.0 – 40.0 dB f = 9900 Hz RXM mute switch attenuation – 40 dB Output switched to V DD/2 when muted. Rx Internal Expander Gain EXPGAIN: internal 11.8 12.3 12.8 dB COMP[2:1] = 10 external and bypass 0 dB COMP[2:1] = 00 or 11 Unity gain level 850 1000 1100 mVrms = Vref (Unaffected level) Linearity EIN to EOUT ± 1 dB EIN = Vref to Vref - 33 dB (Deviation from 2:1 input/output) BW = 300 to 3400 Hz Distortion 2 %THD 1 Vrms Frequency response ± 0.2 dB 300 to 3400 Hz Attack time 3 ms 6 dB step (- 4 dB and -10 dB) relative to the unity gain (Vref) level at 1 kHz to pin EIN. Output at EOUT. Decay time 13.5 ms Attack and delay time levels = 0.57 and 1.5 of final steady state value. RX Volume Control RXLEVEL Nominal Gain – 11 – 12 – 13 dB RXV[2:0] = 3, RHF = 0 dB Gain adjustment range – 9 12 dB RXV[2:0] = 0 to 7 Gain adjust step size 2 3 4 dB EARSENSE = 0 dB, Sidetone = 0 dB RX Handsfree Gain Stage HFATTEN HFGAIN to EAMP nominal gain – 0.4 0 0.4 dB RHF, RVX, EARSENSE = 0 dB, SD =0 Gain range – 52.5 – 49 – 45.5 dB RHF[2:0] = 0 to 7 Gain control step size 6.5 7 7.5 dB 0 to – 21 dB Gain control step size 5 7 9 dB – 28 to – 49 dB RX Line Driver LODRIVE LO gain 4 5 6 dB RVX = 0 dB, RHF = 0 dB, HIZ =1 Distortion 2 %THD 1.0 Vrms output LO mute – 40 dB HIZ = 0 Noise – 80 dBV BW = 30 Hz to 30 kHz LOoutput during mute 1.5 V DD/2 2.1 V V DD = 3.6 V |
Podobny numer części - ACE9040 |
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Podobny opis - ACE9040 |
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