SBFS023C June   2003  – December 2016 SRC4190

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Soft Mute Function
      2. 7.3.2 Ready Output
    4. 7.4 Device Functional Modes
      1. 7.4.1 Bypass Mode
      2. 7.4.2 Audio Port Modes
      3. 7.4.3 Input Port Operation
      4. 7.4.4 Output Port Operation
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Reference Clock
        2. 8.2.2.2 Interfacing to Digital Audio Receivers and Transmitters
        3. 8.2.2.3 TDM Applications
        4. 8.2.2.4 Pin Compatibility With the Analog Devices AD1895 and AD1896
          1. 8.2.2.4.1 Power Supplies
          2. 8.2.2.4.2 Pin 1 Connection
          3. 8.2.2.4.3 Crystal Oscillator
          4. 8.2.2.4.4 Reference Clock Frequency
          5. 8.2.2.4.5 Master Mode Maximum Sampling Frequency
          6. 8.2.2.4.6 Matched Phase Mode
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Power Supply Pins
      2. 10.1.2 Digital Interface
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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5 Pin Configuration and Functions

DB Package
28-Pin SSOP
Top View

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
BCKI 5 Input and Output Input port bit clock I/O
BCKO 25 Input and Output Output port bit clock I/O
BYPAS 9 Input ASRC bypass control input (active high)
DGND 8, 21 Ground Digital ground
IFMT0 10 Input Input port data format control input
IFMT1 11 Input Input port data format control input
IFMT2 12 Input Input port data format control input
LGRP 1 Input Low group delay control input (active high)
LRCKI 6 Input and Output Input port left and right word clock I/O
LRCKO 24 Input and Output Output port left and right word clock I/O
MODE0 26 Input Serial port mode control input
MODE1 27 Input Serial port mode control input
MODE2 28 Input Serial port mode control input
MUTE 14 Input Output mute control input (active high)
NC 3 — No connection
OFMT0 19 Input Output port data format control input
OFMT1 18 Input Output port data format control input
OWL0 17 Input Output port data word length control input
OWL1 16 Input Output port data word length control input
RCKI 2 Input Reference clock input
RDY 15 Output ASRC ready status output (active low)
RST 13 Input Reset input (active low)
SDIN 4 Input Audio serial data input
SDOUT 23 Output Audio serial data output
TDMI 20 Input TDM data input. Connect to DGND when not in use.
VDD 22 Power Digital core supply, 3.3 V
VIO 7 Power Digital I/O supply, 1.65 V to VDD