Datasheet AK5706 (Asahi Kasei Microdevices) - 6

[AK5706] Protection Power No. Pin Name I/O Function Diode Domain FLAG O Buffer Flag Output Pin (Default) TVDD/ A1 TVDD MCKO O Master Clock Output Pin VSS2 TVDD/ E4 SYNCTRIG I Sync Trigger Input Pin TVDD VSS2 I2C Select Pin TVDD/ E5 I2CSEL I “L”: SPI, “H”: TVDD I2C VSS2 CSN I SPI Chip Select Pin (I2CSEL pin = “L”) TVDD/ D2 TVDD CAD I I2C Chip Address Pin (I2CSEL pin = “H”) VSS2 SCLK I SPI Serial Data Clock Pin (I2CSEL pin = “L”) TVDD/ B4 TVDD SCL I I2C Serial Data Clock Pin (I2CSEL pin = “H”) VSS2 SO O SPI Serial Data Output Pin (I2CSEL pin = “L”) TVDD/ A2 TVDD SDA I/O I2C Serial Data Input/Output Pin (I2CSEL pin = “H”) VSS2 TVDD/ C2 SI I SPI Serial Data Input Pin TVDD VSS2 TVDD/ D2 SID I SPI Chip ID Pin TVDD VSS2 TVDD/ B2 DCSI I SPI Daisy Chain Data Input Pin TVDD VSS2 Power down Pin TVDD/ D6 PDN I “L”: Power TVDD -down, “H”: Power-Up VSS2 TEST Input Pin TVDD/ D5 TEST I TVDD This pin must be connected to VSS2. VSS2 Note 1. Do not connect a load to the VDD12 pin and/or the VCOM pin. Note 2. Input pins (except for analog input pins AAAIN, AIN1P, AIN1N, AIN2P and AIN2N) should not be left floating. Note 3. The recommended insulation resistance of the capacitor connected to the VCOM pin is 50 ΩF or less.
5.3. Handling of Unused Pins
Unused I/O pins must be connected as follows. Classification Pin Name Setting MPWR1, MPWR2 Open AAAIN Open Analog AIN1P, AIN1N Open and PMDM1A/B[1:0] bits = “00” AIN2P, AIN2N Open and PMDM2A/B[1:0] bits = “00” WAKEUP, FLAG/MCKO, SDTO, XTO Open EXTTRIG, TDMIN, SI, SID, DCSI, Connected to VSS2 Digital SYNCTRIG Connected to VSS2 and MCKI/XTI PMOSC[1:0], PMMCKIB[1:0] bits = “00” 200500012-E-00-PB 2020/05 - 6 - 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