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MC13109FTA Scheda tecnica(PDF) 8 Page - Motorola, Inc |
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MC13109FTA Scheda tecnica(HTML) 8 Page - Motorola, Inc |
8 / 28 page MC13109 8 MOTOROLA ANALOG IC DEVICE DATA ELECTRICAL CHARACTERISTICS (continued) Speaker Amplifier/SP Mute The Speaker Amplifier is an inverting rail–to–rail operational amplifier. The non–inverting input terminal is connected to the internal VB half supply reference. External resistors and capacitors are used to set the gain and frequency response. The “SA In” input is ac coupled. (Test Conditions: VCC = 2.6 V, TA = 25°C, fin = 1.0 kHz, External Resistors Set for Gain of 1.) Characteristic Condition Input Pin Measure Pin Symbol Min Typ Max Unit Maximum Output Swing VCC = 2.3 V, RL = 130 Ω SA In SA Out VOmax – 0.8 – Vpp g L VCC = 2.3 V, RL = 600 Ω V3 4 V – 2.0 30 – VCC = 3.4 V, RL = 600 Ω – 3.0 – SP Mute Vin = –20 dBV RL = 130 Ω No popping detectable during SP Mute transitions SA In SA Out Msp – –70 – dB Mic Amplifier (See Figure 6) The Mic Amplifier is an inverting rail–to–rail output operational amplifier with the non–inverting input terminal connected to the internal VB half supply reference. External resistors and capacitors are connected to set the gain and frequency response. The “Tx In” input is ac coupled. (Test Conditions: VCC = 2.6 V, TA = 25°C, fin = 1.0 kHz, External Resistors Set for Gain of 1.) Characteristic Condition Input Pin Measure Pin Symbol Min Typ Max Unit Open Loop Gain – Tx In Amp Out AVOL – 60 – dB Gain Bandwidth – Tx In Amp Out GBW – 100 – kHz Maximum Output Swing RL = 10 kΩ Tx In Amp Out VOmax – VCC – 0.3 – Vpp |
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