SLES254D April   2010  – July 2015 PCM1753-Q1 , PCM1754-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 System Clock Input Timing
    7. 7.7 Audio Interface Timing
    8. 7.8 Control Interface Timing Requirements
    9. 7.9 Typical Characteristics
      1. 7.9.1 Digital Filter (De-Emphasis Off)
      2. 7.9.2 Analog Dynamic Performance (Supply Voltage Characteristics)
      3. 7.9.3 Analog Dynamic Performance (Temperature Characteristics)
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 System Clock and Reset Functions
        1. 8.3.1.1 System Clock Input
        2. 8.3.1.2 Power-On Reset Functions
      2. 8.3.2 Audio Serial Interface
        1. 8.3.2.1 Audio Data Formats and Timing
      3. 8.3.3 Zero Flag (PCM1754-Q1)
      4. 8.3.4 Zero Flag (PCM1753-Q1)
      5. 8.3.5 Zero Flag Outputs
      6. 8.3.6 Analog Outputs
        1. 8.3.6.1 VCOM Output
    4. 8.4 Device Functional Modes
      1. 8.4.1 Hardware Control (PCM1754-Q1)
      2. 8.4.2 Oversampling Rate Control (PCM1754-Q1)
    5. 8.5 Programming
      1. 8.5.1 Software Control (PCM1753-Q1)
        1. 8.5.1.1 Register Write Operation
    6. 8.6 Register Maps
      1. 8.6.1 Mode Control Registers (PCM1753-Q1)
        1. 8.6.1.1 User-Programmable Mode Controls
        2. 8.6.1.2 Register Definitions
          1. 8.6.1.2.1  ATx[7:0]: Digital Attenuation Level Setting
          2. 8.6.1.2.2  MUTx: Soft Mute Control
          3. 8.6.1.2.3  OVER: Oversampling Rate Control
          4. 8.6.1.2.4  SRST: Reset
          5. 8.6.1.2.5  DACx: DAC Operation Control
          6. 8.6.1.2.6  DM12: Digital De-Emphasis Function Control
          7. 8.6.1.2.7  DMF[1:0]: Sampling Frequency Selection for the De-Emphasis Function
          8. 8.6.1.2.8  FMT[2:0]: Audio Interface Data Format
          9. 8.6.1.2.9  FLT: Digital Filter Rolloff Control
          10. 8.6.1.2.10 DREV: Output Phase Select
          11. 8.6.1.2.11 ZREV: Zero Flag Polarity Select
          12. 8.6.1.2.12 AZRO: Zero Flag Function Select
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Power Supplies and Grounding
        2. 9.2.1.2 DAC Output Filter Circuits
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Total Harmonic Distortion + Noise
        2. 9.2.2.2 Dynamic Range
        3. 9.2.2.3 Idle Channel Signal-to-Noise Ratio (SNR)
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Related Links
    3. 12.3 Community Resource
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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6 Pin Configuration Functions

PCM1753-Q1 DBQ Package
16-Pin SSOP
Top View
PCM1753-Q1 PCM1754-Q1 pinout_1753_les254.gif

Pin Functions—PCM1753-Q1

PIN I/O DESCRIPTION
NAME NO.
AGND 9 — Analog ground
BCK 1 I Audio–data bit–clock input
DATA 2 I Audio–data digital input
DGND 4 I Digital ground
LRCK 3 — L-channel and R-channel audio data latch enable input
MC 14 I Mode control clock input(1)
MD 13 I Mode control data input(1)
ML 15 I Mode control latch input(1)
NC 5 — No connection
SCK 16 I System clock input
VCC 6 I Analog power supply, 5 V
VCOM 10 — Common voltage decoupling
VOUTL 7 — Analog output for the L-channel
VOUTR 8 O Analog output for the R-channel
ZEROR/ZEROA 11 O Zero flag output for the R-channel. This pin is also the zero flag output for the L-channel and R-channel(2).
ZEROL/NA 12 O Zero flag output fo the L-channel. Not assigned(2)
(1) Schmitt-trigger input with internal pulldown
(2) Open-drain output.
PCM1754-Q1 DBQ Package
16-Pin SSOP
Top View
PCM1753-Q1 PCM1754-Q1 pinout_les254.gif

Pin Functions—PCM1754-Q1

PIN I/O DESCRIPTION
NAME NO.
AGND 9 — Analog ground
BCK 1 I Audio–data bit–clock input
DATA 2 I Audio–data digital input
DEMP 13 I De–emphasis control(1)
DGND 4 — Digital ground
FMT 15 I Data format select(1)
LRCK 3 I L–channel and R–channel audio data latch enable input
MUTE 14 I Analog mixing control(1)
NC 5 — No connection
SCK 16 I System clock input
TEST 12 I Test pin. Ground or open(1)
VCC 6 — Analog power supply, 5 V
VCOM 10 — Common voltage decoupling
VOUTL 7 O Analog output for the L–channel
VOUTR 8 O Analog output for the R–channel
ZEROA 11 O Zero flag output for the L-channel and R-channel
(1) Schmitt-trigger input with internal pulldown
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