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ISD5116EY Fiches technique(PDF) 52 Page - Nuvoton Technology Corporation |
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ISD5116EY Fiches technique(HTML) 52 Page - Nuvoton Technology Corporation |
52 / 90 page ISD5100 SERIES Publication Release Date: Oct 31, 2008 - 52 - Revision 1.42 ANA IN (Analog Input) The ANA IN pin is the analog input from the telephone chip set. It can be switched (by the I 2C interface) to the speaker output, the array input or to various other paths. This pin is designed to accept a nominal 1.11 V p-p when at its minimum gain (6 dB) setting. There is additional gain available, if required, in 3 dB steps, up to 15 dB. The gain settings are controlled from the I 2C interface. ANA IN Input Modes ANA IN Amplifier Gain Settings CFG0 Setting (1) 0TLP Input VP-P (3) AIG1 AIG0 Gain (2) Array In/Out VP-P Speaker Out VP-P (4) 6 dB 1.110 0 0 0.625 0.694 2.22 9 dB 0.785 0 1 0.883 0.694 2.22 12 dB 0.555 1 0 1.250 0.694 2.22 15 dB 0.393 1 1 1.767 0.694 2.22 1. Gain from ANA IN to SP+/- 2. Gain from ANA IN to ARRAY IN 3. 0TLP Input is the reference Transmission Level Point that is used for testing. This level is typically 3 dB below clipping 4. Speaker Out gain set to 1.6 (High). (Differential) Gain Setting Resistor Ration (Rb/Ra) Gain Gain 2 (dB) 00 63.9 / 102 0.625 -4.1 01 77.9 / 88.1 0.88 -1.1 10 92.3 / 73.8 1.25 1.9 11 106 / 60 1.77 4.9 Note: Ra & Rb are in k Ω ANA IN Input ANA IN Input Amplifier NOTE: fCUTTOFF 2xRaCCCUP 1 Ra Rb CCOUP = 0.1 ìF Internal to the device |
Numéro de pièce similaire - ISD5116EY |
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Description similaire - ISD5116EY |
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