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AD1988B データシート(PDF) 3 Page - Analog Devices |
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AD1988B データシート(HTML) 3 Page - Analog Devices |
3 / 20 page AD1988A/AD1988B Rev. 0 | Page 3 of 20 FUNCTIONAL BLOCK DIAGRAM 1(0 B ) 0(01 ) NID: 1 D Σ M M 24 bit 192 kHz PCM Σ∆ DAC Di g ita l A DAC _4 NID: 0A -58 .5 to 0 dB 24 bit 192 kHz PCM Σ∆ DAC Di g ita l A DAC _ 0 NID: 0 3 -58 .5 to 0 dB DVIO DVDD DVSS DVFILT BITCLK RESET# SYNC SDO SDI AM GPIO_0 / Volume GPIO HW Volume Control NID: 1 F ADC _ 0 NID: 0 8 ADC _ 1 NID: 0 9 -58 .5 to +22 .5 dB -58 .5 to +22 .5 dB H D A U D I O I N T E R F A C E +3.3V +/- 10 % +1.5V +/- 10 % (A D 1988L15 ) +3.3V +/- 10 % (A D 1988L33 ) +1.8V +5 % -20 % ADC SE L_ 1 NID: 0 D ADC SE L_ 0 NID: 0 C S/PDIF I n / GPIO_1 S/PDIF Out Z Output_En Digital AM NID: 0 2 NID: 0 7 NID: 1 C NID: 1 B -58 .5 to 0 dB DAC _ 3 NID: 0 6 24 bit 192 kHz PCM Σ∆ DAC Di g ita l A DAC _ 2 NID: 0 5 -58 .5 to 0 dB 24 bit 192 kHz PCM Σ∆ DAC Di g ita l A DAC _ 1 NID: 0 4 -58 .5 to 0 dB 24 bit 192 kHz PCM Σ∆ DAC Di g ita l A -58 .5 to 0 dB Digital GAM -34 .5 to +12 dB Input_En GPIO_1 ZGPIO_1 -45 .0 t o0d B 3d B S tep s 24 bit 32-192 kHz PCM / D igital S/PDIF R X Pow er Co ntrol Pow e r Control AVSS AVDD +3.3V +/-5% MIC_BIAS_FILT VREF NID: 2 3 VREF_FILT MIC Bias Regulator NID: 3 5 NID: 1 7 MIC 1/2 PORT-E PORT-E MIC BIAS BIAS Z NID: 1 4 PORT-B MIC BIAS BIAS Z Microphone PORT-B Boost NID: 39 CD _GND CD _R CD _L CD Diff Am p NID: 1 8 PCBeep NID: 1 A M NID: 1 2 PORT-D MIC BIAS / EAPD BIAS / EAPD Z Z HP-Front L/R PORT-D Boost NID: 3D HP AMP M NID: 1 1 PORT-A MIC BIAS BIAS Z Z Headphone PORT-A HP AMP Boost NID: 38 Surround Center NID: 2 5 MPORT-H Z EN NID: 1 6 PORT-F MIC BIAS BIAS Z Surround Back MPORT-F Z M NID: 2 4 Z EN Center / LFE PORT-G NID : 1 3 MONO_OUT -46 .5 to 0 dB SWA P SWA P Stereo Paths Mono Paths 101+ dB (AD1988B) NID: 1 5 Line In PORT-C PORT-C MIC BIAS / EAPD BIAS / EAPD Z Boost NID: 3A Z M Z HP AMP Boost NID: 3C M Z 0(03 ) 1(04 ) 2(06 ) 3:1 M M NID: 2 2 1(21 ) 0(37 ) Σ M M NID: 2 B 1(21 ) 0(30 ) Σ M M NID: 2 6 0(32 ) 1(21 ) Σ M M NID: 2 C 0(31 ) 1(21 ) Σ M M M NID: 2 9 1(21 ) 0(04 ) Σ M M NID:2 7 1(21 ) 0(05 ) Σ M M NID: 2 A 1(21 ) 0(06 ) Σ M M NID: 2 8 1(21 ) 0(0 A ) Σ Σ M -46 .5 to 0 dB NID : 2 1 2:1 2:1 NID: 1 0 Digital Beep AM NID: 3 2 NID: 3 1 NID: 3 0 NID: 3 6 NID: 2 D 1(0 A ) 0(04 ) 1(04 ) 0(05 ) M M NID: 1 E 1(21 ) 0(36 ) Σ A S ter eo Down-M ix 3:1 0(03 ) 1(04 ) 2(06 ) 24 bit 32-192 kHz PCM / D igital S/PDIF T X Selector 3:1 NID: 0 B Selector 10 :1 ADC _ 2 NID: 0 F -58 .5 to +22 .5 dB ADC SE L_ 2 NID: 0 E 9(20 - M ixe r ) 2(3 A – P or t- C ) 0(38 –P or t- A ) 4(3 C – P or t- E ) 1(39 –P or t- B ) 3 (3 B – P or t- F) 8(3 D – P or t- D ) 5(18 - CD ) Σ NID: 20 GAM 7 GAM 6 -34.5 to +12dB GAM 0 4(34 – P or t- E /H /G) GAM 2 2(38 –P or t- A ) GAM 4 1(33 –P or t- C /H /G) GAM 1 0(39 – P or t- B ) GAM GAM 3 5 5(3 B –P or t- F) 3(3 D – P or t- D ) NID: 3 4 0(3 C ) NID: 3 3 0(3 A ) 1(25 ) 2(24 ) 3:1 1(25 ) 2(24 ) 3:1 7(25 –P or t- H ) 6(24 –P or t- G) 24 bit 192 kHz PCM Σ∆ ADC Di g ital / Ana lo g GM 24 bit 192 kHz PCM Σ∆ ADC Di g ital / Ana lo g GM Selector 10 :1 24 bit 192 kHz PCM Σ∆ ADC Di g ital / Ana lo g GM Selector 10 :1 NID: 3 7 Mixer Power Control NID: 1 9 3:1 0(03 ) 1(04 ) 2(06 ) Boost NID: 3B EN EN EN EN EN EN Split-Z Figure 1. Block Diagram |
同様の部品番号 - AD1988B_15 |
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同様の説明 - AD1988B_15 |
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