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ISD5008 Datasheet(PDF) 8 Page - List of Unclassifed Manufacturers |
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ISD5008 Datasheet(HTML) 8 Page - List of Unclassifed Manufacturers |
8 / 47 page ![]() ISD5008 Product 5 ISD AUX IN (Auxiliary Input) The AUX IN is an additional audio input to the ISD5008, such as from the microphone circuit in a mobile phone “car kit.” This input has a nominal 700 mVp-p level at its minimum gain setting (0 dB). See Table 5. Additional gain is available in 3 dB steps (controlled by the SPI bus) up to 9 dB. Figure 3: AUX IN Input Modes 1. Gain from AUX IN to ANA OUT 2. Gain from AUX 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. Differential Gain Setting Resistor Ratio (Rb/Ra) Gain Gain (dB) 00 40.1/40.1 1.0 0 01 47.0/33.2 1.414 3 10 53.5/26.7 2.0 6 11 59.2/21 2.82 9 Table 5: AUXIN Amplifier Gain Settings Setting(1) 0TLP Input VPP (3) CFG0 Gain(2) Array In/Out VPP Ana Out VPP (4) AXG1 AXG0 0 dB .694 0 0 1.00 .694 .694 3 dB .491 0 1 1.41 .694 .694 6 dB .347 1 0 2.00 .694 .694 9 dB .245 1 1 2.82 .694 .694 |
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