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MT8889CS Datasheet(PDF) 15 Page - Mitel Networks Corporation |
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MT8889CS Datasheet(HTML) 15 Page - Mitel Networks Corporation |
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15 / 18 page  MT8889C/MT8889C-1 4-121 † Characteristics are over recommended operating conditions unless otherwise stated ‡ Typical figures are at 25°C, VDD=5V, and for design aid only: not guaranteed and not subject to production testing † Characteristics are over recommended operating conditions unless otherwise stated ‡ Typical figures are at 25°C, VDD=5V, and for design aid only: not guaranteed and not subject to production testing † Timing is over recommended temperature & power supply voltages. ‡ Typical figures are at 25°C and for design aid only: not guaranteed and not subject to production testing. AC Electrical Characteristics†- Call Progress - Voltages are with respect to ground (V SS), unless otherwise stated. Characteristics Sym Min Typ‡ Max Units Conditions 1 Accept Bandwidth fA 310 500 Hz @ -25 dBm, Note 9 2 Lower freq. (REJECT) fLR 290 Hz @ -25 dBm 3 Upper freq. (REJECT) fHR 540 Hz @ -25 dBm 4 Call progress tone detect level (total power) -30 dBm AC Electrical Characteristics†- DTMF Reception - Typical DTMF tone accept and reject requirements. Actual values are user selectable as per Figures 5, 6 and 7. Characteristics Sym Min Typ‡ Max Units Conditions 1 Minimum tone accept duration tREC 40 ms 2 Maximum tone reject duration tREC 20 ms 3 Minimum interdigit pause duration tID 40 ms 4 Maximum tone drop-out duration tOD 20 ms AC Electrical Characteristics† - Voltages are with respect to ground (V SS), unless otherwise stated. Characteristics Sym Min Typ‡ Max Units Conditions 1 T O N E I N Tone present detect time tDP 3 11 14 ms Note 11 2 Tone absent detect time tDA 0.5 4 8.5 ms Note 11 3 Delay St to b3 tPStb3 13 µs See Figure 7 4 Delay St to RX0-RX3 tPStRX 8 µs See Figure 7 5 T O N E O U T Tone burst duration tBST 50 52 ms DTMF mode 6 Tone pause duration tPS 50 52 ms DTMF mode 7 Tone burst duration (extended) tBSTE 100 104 ms Call Progress mode 8 Tone pause duration (extended) tPSE 100 104 ms Call Progress mode 9 High group output level VHOUT -6.1 -2.1 dBm RL=10kΩ 10 Low group output level VLOUT -8.1 -4.1 dBm RL=10kΩ 11 Pre-emphasis dBP 023 dB RL=10kΩ 12 Output distortion (Single Tone) THD -35 dB 25 kHz Bandwidth 13 RL=10kΩ 14 Frequency deviation fD ±0.7 ±1.5 % fC=3.579545 MHz 15 Output load resistance RLT 10 50 k Ω 16 X T A L Crystal/clock frequency fC 3.5759 3.5795 3.5831 MHz 17 Clock input rise and fall time tCLRF 110 ns Ext. clock 18 Clock input duty cycle DCCL 40 50 60 % Ext. clock 19 Capacitive load (OSC2) CLO 30 pF |
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