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ACE9040 Scheda tecnica(PDF) 8 Page - Mitel Networks Corporation |
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ACE9040 Scheda tecnica(HTML) 8 Page - Mitel Networks Corporation |
8 / 39 page 8 ACE9030 ELECTRICAL CHARACTERISTICS These characteristics apply over these ranges of conditions (unless otherwise stated): T AMB = – 40 °C to + 85 °C, all VDD = + 3·6 to + 5·0 V, GND ref. = VSS A.C. Characteristics (continued) Note 7. AUDIO signal quality is measured with feedback components as shown in figure 18 and with 500 mV peak to peak input to AFCIN. Discriminator gain is set with D = 3 and M = 40 and V DD = 3·75 V and a crystal at 14·85 MHz. SINAD is defined as the ratio of wanted signal to all unwanted output, measured simultaneously with filters. The hum and noise figure is defined as the ratio of output power at AUDIO when AFCIN is unmodulated to the output power when AFCIN is driven as specified above. Parameter Min. Typ. Max. Unit Conditions LOW FREQUENCY AMPLIFIERS (1 and 2) Voltage Gain 1200 2800 Input Offset 10 20 mV Open loop input resistance 1 M Ω Open loop output resistance 8 k Ω Unity Gain bandwidth 2 MHz Input bias current, inverting input 200 nA Power supply rejection at 120 Hz, 10 kHz 40 50 dB Output voltage maximum V DDA – 0·2 V 10 k Ω to 6ND Output voltage maximum, as a comparator V DDA – 0·1 V 10 k Ω to 6ND Output voltage minimum level 0·2 V 10 k Ω to 6ND Output voltage minimum level 0·1 V 10 k Ω to 6ND Common mode input range (LF1 1) V SSA 2.5 V Common mode input range (LF1 2) V SSA V DDA Output slew rate 0.15 0.25 V/ µs Output load capacitance 30 pF 8 MHz OSCILLATOR and PLL OSC8 centre frequency 8·064 MHz OSC8 VCO sensitivity 25 MHz/V OSC8 charge pump output current 50 µA CLK8 output load, resistive: 15 25 100 k Ω capacitive: 15 25 30 pF CLK8 output amplitude 0·8 1·0 2·4 V pk-pk CLK8 total output jitter 500 Hz 0 - 3 kHz Start-up time at power-on, to default settings 15 ms With a loop filter as described in fig. 17 Lock time to within 125 ppm, after reprogramming set-ups 15 ms AFCIN F.M. DISCRIMINATOR and AFC AFCIN input signal level 0·05 2·5 V pk-pk AFCIN input impedance, resistive: 50 k Ω capacitive: 10 pF Input frequency 400 500 kHz Input signal to integrated noise ratio 10 dB I.F. ± 15 kHz. Input Schmitt Hysteresis 8 mV AUDIO signal SINAD, psophometric, note 7 40 45 dB 1 kHz tone at 3 kHz AUDIO signal hum and noise, note 7 – 46 dB peak deviation on AUDIO output signal level, note 7 195 260 mV rms AFCIN input at I.F. AFCOUT load 30 pF AFCOUT duty cycle 37 63 % AFCOUT rise and fall times 75 ns |
Codice articolo simile - ACE9040 |
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Descrizione simile - ACE9040 |
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