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ACE9040 Fiches technique(PDF) 4 Page - Mitel Networks Corporation |
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ACE9040 Fiches technique(HTML) 4 Page - Mitel Networks Corporation |
4 / 33 page 4 ACE9040 Characteristic Symbol Value Unit Conditions Min. Typ. Max. Supply Current and Power Down Modes Operating supply current I DD 15 mA V DD = 4.85 V RREF = 100 kΩ 15 mA V DD = 3.75 V RREF = 68 kΩ Standby Attenuation of all inputs signals 40 dB Wakeup response time 10 ms Sleep (Standby with CLK stopped) Supply current* I DD(SLEEP) 200 µA STBY bit set V DD = 3.75 Delay between setting STBY bit and 20 µs stopping clock Delay to starting clock after wakeup 100 µs Characteristic Value Unit Conditions Min. Typ. Max. Transmission Path Microphone Amp, MI to SLO pins Input bias V DD/2 Internal 150 k Ω bias resistor to V DD/2 Microphone input gain (LO) 21 22 23 dB MIS = 1, MLI = 0, MIG = 0 Microphone input gain (HI) 31 32 33 dB MIS = 1, MLI = 0, MIG = 1 Microphone crosstalk (no MI signal) – 40 dB MIS = 1, MLI = 0, MIG = 1 Line input, LI to SLO pins Input bias V DD/2 Internal 100 k Ω bias resistor LI input Gain (0dB) – 0.5 0.5 dB MIS = 0, MLI = 0, MIG = 0 LI input Gain (LO) 21 22 23 dB MIS = 1, MLI = 1, MIG = 0 LI input gain (HI) 31 32 33 dB MIS = 1, MLI = 1, MIG = 1 LI input crosstalk (no LI signal) – 40 dB MIS = 1, MLI = 1, MIG = 1 Soft Deviation Limiter, LI to SLO pins Nominal gain 0 dB Limiter not functioning. Attenuation range – 30 – 29 dB Attenuation steps 0.27 0.5 0.67 dB Distortion 2 %THD Output at 1 Vrms Attack level:Hard limiter output 3 97 % V DD Attack level at TBPO pin 92 % V DD d.c. input at IPS TEST[1:0] = 11 Attack time 40 µs Per gain step when signal outside threshold Decay time 1.68 ms Per gain step INPSENSE Gain Stage, IPS to TBPO pins Nominal gain 7.5 8 8.5 dB Input = 100 mVrms, INPS[4:0] = 15, THF = 0 dB, Gain adjustment range – 12 12.8 dB Relative to nominal gain Input = 100 mVrms, Gain step size 0.6 0.8 1.2 dB INPS[4:0] = 0 to 31, THF = 0 dB 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 Note 1. 100% production tested at 25 °C but guaranteed over specified temperature range. * Standby current measured with the 1.008 MHz clock stopped and SCLK at a level <200 mV. |
Numéro de pièce similaire - ACE9040 |
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Description similaire - ACE9040 |
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