Datasheet AK5706 (Asahi Kasei Microdevices) - 5
| Manufacturer | Asahi Kasei Microdevices |
| Description | Low-Power 2-ch ADC with AAA and Audio Buffer |
| Pages / Page | 33 / 5 — 5.2. Functions |
| File Format / Size | PDF / 1.7 Mb |
| Document Language | English |
5.2. Functions
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link to page 6 [AK5706]
5.2. Functions
Protection Power No. Pin Name I/O Function Diode Domain F5 AVDD - Analog Power Supply Pin, 1.7 to 1.9 V or 3.0 to 3.6 V AVDD Common Voltage Output Pin AVDD/ F6 VCOM O This pin must be connected to the VSS1 pin through a AVDD VSS1 2.2 μF ± 50 % ceramic capacitor. (Note 3) F4 VSS1 - Analog Ground Pin AVDD/ E1 MPWR1 O MIC Power Supply 1 Pin AVDD VSS1 AVDD/ F1 MPWR2 O MIC Power Supply 2 Pin AVDD VSS1 AVDD/ E6 AAAIN I AAA Input Pin AVDD VSS1 Positive Analog Input 1 Pin AIN1P I (DMIC1 bit = “0”, Default) AVDD/ E2 AVDD Digital Microphone Data Input 1 Pin VSS1 DMDAT1 I (DMIC1 bit = “1”) Negative Analog Input 1 Pin AIN1N I (DMIC1 bit = “0”, Default) AVDD/ E3 AVDD Digital Microphone Clock Output 1 Pin VSS1 DMCLK1 O (DMIC1 bit = “1”) Positive Analog Input 2 Pin AIN2P I (DMIC2 bit = “0”, Default) AVDD/ F2 AVDD Digital Microphone Data Input 2 Pin VSS1 DMDAT2 I (DMIC2 bit = “1”) Negative Analog Input 2 Pin AIN2N I (DMIC2 bit = “0”, Default) AVDD/ F3 AVDD Digital Microphone Clock Output 2 Pin VSS1 DMCLK2 O (DMIC2 bit = “1”) TVDD/ B1 WAKEUP O Wakeup Interrupt Output Pin TVDD VSS2 TVDD/ C1 EXTTRIG I External Trigger Input Pin TVDD VSS2 C6 TVDD - Digital I/F & LDO Power Supply Pin, 1.65 to 3.6 V TVDD LDO (1.24 V) Output Pin TVDD/ B6 VDD12 - This pin must be connected to the VSS2 pin through TVDD VSS2 a 4.7 μF ± 50 % capacitor. A6 VSS2 - Digital Ground Pin MCKI I Master Clock Input Pin (Default) TVDD/ A5 TVDD XTI I Crystal Oscillator Input Pin VSS2 TVDD/ A4 XTO O Crystal Oscillator Output Pin TVDD VSS2 TVDD/ B5 BCLK I/O Audio Serial Data Clock Pin TVDD VSS2 TVDD/ C5 LRCK I/O Frame Sync Clock Pin TVDD VSS2 TVDD/ A3 SDTO O Audio Serial Data Output Pin TVDD VSS2 TVDD/ B3 TDMIN I TDM Data Input Pin TVDD VSS2 200500012-E-00-PB 2020/05 - 5 - Document Outline 1. General Description 2. Features 3. Table of Contents 4. Block Diagram 5. Pin Configurations and Functions 5.1. Pin Configurations 5.2. Functions 5.3. Handling of Unused Pins 5.4. Pin State in Power-down Mode 6. Absolute Maximum Ratings 7. Recommended Operating Conditions 8. Electrical Characteristics 8.1. Microphone & ADC Analog Characteristics (AVDD = 3.3V: AVDDMD bit = “1”) 8.2. Microphone & ADC Analog Characteristics (AVDD = 1.8V: AVDDMD bit = “0”) 8.3. Acoustic Activity Analyzer Characteristics 8.4. PLL, AOSC Characteristics 8.5. LDO Characteristics 8.6. VCOM Characteristics 8.7. Power Supply Current 8.8. Power Consumption for Each Operation Mode (Typ.) 8.9. Filter Characteristics 8.9.1. Short Delay Sharp Roll-off Filter (ADVF bit = “0”) 8.9.2. Voice Filter (ADVF bit = “1”) 8.10. DC Characteristics 8.11. Switching Characteristics 9. Package 9.1. Outline Dimensions 9.2. Material & Lead finish 9.3. Marking 10. Ordering Guide 11. Revision History IMPORTANT NOTICE
5.2. Functions
Protection Power No. Pin Name I/O Function Diode Domain F5 AVDD - Analog Power Supply Pin, 1.7 to 1.9 V or 3.0 to 3.6 V AVDD Common Voltage Output Pin AVDD/ F6 VCOM O This pin must be connected to the VSS1 pin through a AVDD VSS1 2.2 μF ± 50 % ceramic capacitor. (Note 3) F4 VSS1 - Analog Ground Pin AVDD/ E1 MPWR1 O MIC Power Supply 1 Pin AVDD VSS1 AVDD/ F1 MPWR2 O MIC Power Supply 2 Pin AVDD VSS1 AVDD/ E6 AAAIN I AAA Input Pin AVDD VSS1 Positive Analog Input 1 Pin AIN1P I (DMIC1 bit = “0”, Default) AVDD/ E2 AVDD Digital Microphone Data Input 1 Pin VSS1 DMDAT1 I (DMIC1 bit = “1”) Negative Analog Input 1 Pin AIN1N I (DMIC1 bit = “0”, Default) AVDD/ E3 AVDD Digital Microphone Clock Output 1 Pin VSS1 DMCLK1 O (DMIC1 bit = “1”) Positive Analog Input 2 Pin AIN2P I (DMIC2 bit = “0”, Default) AVDD/ F2 AVDD Digital Microphone Data Input 2 Pin VSS1 DMDAT2 I (DMIC2 bit = “1”) Negative Analog Input 2 Pin AIN2N I (DMIC2 bit = “0”, Default) AVDD/ F3 AVDD Digital Microphone Clock Output 2 Pin VSS1 DMCLK2 O (DMIC2 bit = “1”) TVDD/ B1 WAKEUP O Wakeup Interrupt Output Pin TVDD VSS2 TVDD/ C1 EXTTRIG I External Trigger Input Pin TVDD VSS2 C6 TVDD - Digital I/F & LDO Power Supply Pin, 1.65 to 3.6 V TVDD LDO (1.24 V) Output Pin TVDD/ B6 VDD12 - This pin must be connected to the VSS2 pin through TVDD VSS2 a 4.7 μF ± 50 % capacitor. A6 VSS2 - Digital Ground Pin MCKI I Master Clock Input Pin (Default) TVDD/ A5 TVDD XTI I Crystal Oscillator Input Pin VSS2 TVDD/ A4 XTO O Crystal Oscillator Output Pin TVDD VSS2 TVDD/ B5 BCLK I/O Audio Serial Data Clock Pin TVDD VSS2 TVDD/ C5 LRCK I/O Frame Sync Clock Pin TVDD VSS2 TVDD/ A3 SDTO O Audio Serial Data Output Pin TVDD VSS2 TVDD/ B3 TDMIN I TDM Data Input Pin TVDD VSS2 200500012-E-00-PB 2020/05 - 5 - Document Outline 1. General Description 2. Features 3. Table of Contents 4. Block Diagram 5. Pin Configurations and Functions 5.1. Pin Configurations 5.2. Functions 5.3. Handling of Unused Pins 5.4. Pin State in Power-down Mode 6. Absolute Maximum Ratings 7. Recommended Operating Conditions 8. Electrical Characteristics 8.1. Microphone & ADC Analog Characteristics (AVDD = 3.3V: AVDDMD bit = “1”) 8.2. Microphone & ADC Analog Characteristics (AVDD = 1.8V: AVDDMD bit = “0”) 8.3. Acoustic Activity Analyzer Characteristics 8.4. PLL, AOSC Characteristics 8.5. LDO Characteristics 8.6. VCOM Characteristics 8.7. Power Supply Current 8.8. Power Consumption for Each Operation Mode (Typ.) 8.9. Filter Characteristics 8.9.1. Short Delay Sharp Roll-off Filter (ADVF bit = “0”) 8.9.2. Voice Filter (ADVF bit = “1”) 8.10. DC Characteristics 8.11. Switching Characteristics 9. Package 9.1. Outline Dimensions 9.2. Material & Lead finish 9.3. Marking 10. Ordering Guide 11. Revision History IMPORTANT NOTICE
