SLES102B December   2003  – March 2015 PCM1798

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 Timing Requirements
    7. 6.7 Typical Characteristics for Digital Filter
      1. 6.7.1 Analog Dynamic Performance
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 System Clock and Reset Functions
        1. 7.3.1.1 System Clock Input
      2. 7.3.2 Power-On and External Reset Functions
      3. 7.3.3 Audio Data Interface
        1. 7.3.3.1 Audio Serial Interface
        2. 7.3.3.2 PCM Audio Data Formats and Timing
      4. 7.3.4 Function Descriptions
        1. 7.3.4.1 Audio Data Format
        2. 7.3.4.2 Soft Mute
        3. 7.3.4.3 De-Emphasis
        4. 7.3.4.4 Zero Detection
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Application for External Digital Filter Interface
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Application for Interfacing With an External Digital Filter
          2. 8.2.1.2.2 Audio Format
          3. 8.2.1.2.3 Analog Output
        3. 8.2.1.3 Application Curves
      2. 8.2.2 PCM1798 Typical Application
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 I/V Section
          2. 8.2.2.2.2 Differential Section
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Trademarks
    2. 11.2 Electrostatic Discharge Caution
    3. 11.3 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DB|28
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

DB Package
28-Lead SSOP
Top View
PCM1798 po_sles102.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
AGND1 19 — Analog ground (internal bias)
AGND2 24 — Analog ground (internal bias)
AGND3L 27 — Analog ground (L-channel DACFF)
AGND3R 16 — Analog ground (R-channel DACFF)
BCK 6 Input Bit clock input(1)
CHSL 2 Input L-, R-channel select(1)
DATA 5 Input Serial audio data input(1)
DEM 3 Input De-emphasis enable(1)
DGND 8 — Digital ground
FMT0 11 Input Audio data format select(1)
FMT1 12 Input Audio data format select(1)
IOUTL+ 25 Output L-channel analog current output +
IOUTL– 26 Output L-channel analog current output –
IOUTR+ 17 Output R-channel analog current output +
IOUTR– 18 Output R-channel analog current output –
IREF 20 — Output current reference bias pin
LRCK 4 Input Left and right clock (fS) input(1)
MONO 1 Input Monaural mode enable(1)
MUTE 10 Input Mute control(1)
RST 14 Input Reset(1)
SCK 7 Input System clock input(1)
VCC1 23 — Analog power supply, 5 V
VCC2L 28 — Analog power supply (L-channel DACFF), 5 V
VCC2R 15 — Analog power supply (R-cahnnel DACFF), 5 V
VCOML 22 — L-channel internal bias decoupling pin
VCOMR 21 — R-channel internal bias decoupling pin
VDD 9 — Digital power supply, 3.3 V
ZERO 13 Output Zero flag
(1) Schmitt-trigger input, 5-V tolerant