Datasheet SSM2604 (Analog Devices) - 8

SSM2604 Data Sheet PIN CONFIGURATION AND FUNCTION DESCRIPTIONS IN IN K E E N CL DI LIN NC S S LLIN R 20 19 18 17 16 MCLK/XTI 1 15 VMID XTO 2 14 AGND SSM2604 DGND 3 13 AVDD TOP VIEW DVDD 4 (Not to Scale) 12 ROUT CLKOUT 5 11 LOUT 6 7 8 9 10 K RC RC BCL BDAT BL CDAT CL P P RE RE NOTES 1. NC = NO CONNECT.
002
2. FOR PROPER CONNECTION OF THE EXPOSED PAD, CONNECT TO PCB GROUND LAYER.
06978- Figure 6. Pin Configuration
Table 9. Pin Function Descriptions Pin No. Mnemonic Type Description
1 MCLK/XTI Digital Input Master Clock Input/Crystal Input. 2 XTO Digital Output Crystal Output. 3 DGND Digital Ground Digital Ground. 4 DVDD Digital Supply Digital Core and I/O Buffer Supply. 5 CLKOUT Digital Output Buffered Clock Output. 6 BCLK Digital Input/Output Digital Audio Bit Clock. 7 PBDAT Digital Input DAC Digital Audio Data Input, Playback Function. 8 PBLRC Digital Input/Output DAC Sampling Rate Clock, Playback Function (from Left and Right Channels). 9 RECDAT Digital Output ADC Digital Audio Data Output, Record Function. 10 RECLRC Digital Input/Output ADC Sampling Rate Clock, Record Function (from Left and Right Channels). 11 LOUT Analog Output Line Output for Left Channel. 12 ROUT Analog Output Line Output for Right Channel. 13 AVDD Analog Supply Analog Supply. 14 AGND Analog Ground Analog Ground. 15 VMID Analog Output Midrail Voltage Decoupling Input. 16 RLINEIN Analog Input Line Input for Right Channel. 17 LLINEIN Analog Input Line Input for Left Channel. 18 SDIN Digital Input/Output 2-Wire Control Interface Data Input/Output. 19 SCLK Digital Input 2-Wire Control Interface Clock Input. 20 NC NC No Connection GND Pad Thermal Pad/Exposed Pad Center Thermal Pad. Connect to PCB ground layer. Rev. B | Page 8 of 28 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Digital Filter Characteristics Timing Characteristics Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Converter Filter Response Digital De-Emphasis Theory of Operation Digital Core ADC and DAC ADC High-Pass and DAC De-Emphasis Filters Analog Interface Signal Chain Stereo Line Inputs Bypass Path to Output Line Outputs Digital Audio Interface Recording Mode Playback Mode Digital Audio Data Sampling Rate Software Control Interface Control Register Sequencing Typical Application Circuits Register Map Register Map Details Left-Channel ADC Input Volume, Address 0x00 Right-Channel ADC Input Volume, Address 0x01 Analog Audio Path, Address 0x04 Digital Audio Path, Address 0x05 Power Management, Address 0x06 Power Consumption Digital Audio I/F, Address 0x07 Sampling Rate, Address 0x08 Active, Address 0x09 Software Reset, Address 0x0F Outline Dimensions Ordering Guide