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LS256D датащи(PDF) 4 Page - STMicroelectronics |
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LS256D датащи(HTML) 4 Page - STMicroelectronics |
4 / 8 page Figure 3. Figure 4. VRO GR = VRI VMO GMF = VMF ELECTRICAL CHARACTERISTICS (refer to the test circuits, S1, S2 in (a), Tamb = – 25 to + 50 oC, f = 200 to 3400Hz, unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit Fig. SPEECH OPERATION VL Line Voltage Tamb =25 °CIL = 12mA IL = 20mA IL = 80mA 3.9 4.7 5.5 12.2 V CMRR Common Mode Rejection f = 1kHz, IL = 12 to 80mA 50 dB 1 GS Sending Gain Tamb =25 °C, f = 1kHz IL = 52mA VMI = 2mV IL = 25mA 44 48 45 49 46 50 dB 2 Sending Gain Flatness VMI = 2mV, fref = 1kHz IL = 12 to 80mA ± 1dB 2 Sending Distortion f = 1kHz VSO =1V IL = 16 to 80mA VSO = 1.3V 2 10 %2 Sending Noise VMI = 0V; IL = 40mA; S1 in (b) –68.5 dBmp 2 Microphone Input Impedance Pin 1-16 VMI = 2mV, IL = 12 to 80mA 40 k Ω Sending Loss in MF Operation VMI = 2mV IL = 52mA S2 in (b) IL = 25mA –30 –30 dB 2 GR Receiving Gain VR1 = 0.3V, f = 1kHz, Tamb =25 °C IL = 52mA IL = 25mA 2.5 7 3.5 8 4.5 9 dB 3 Receiving Gain Flatness VRI = 0.3V, fref = 1kHz IL = 12 to 80mA ± 1dB 3 Receiving Distortion f = 1kHz IL = 12mA VRO = 1.6V IL = 12mA VRO = 1.9V IL = 50mA VRO = 1.8V IL = 50mA VRO = 2.1V 2 10 2 10 %3 Receiving Noise VRI = 0V; IL = 12 to 80mA; S1 in (b) 100 µV3 Receiver Output Impedance Pin 12-13 VRO = 50mV, IL = 40mA 100 Ω LS256 4/8 |
Аналогичный номер детали - LS256D |
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Аналогичное описание - LS256D |
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