SNAS513F August   2011  – November 2015 LM48560

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 Electrical Characteristics VDD = 3.6 V
    5. 6.5 I2C Interface Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 General Amplifier Function
      2. 8.3.2 Class H Operation
      3. 8.3.3 Differential Amplifier Explanation
      4. 8.3.4 Automatic Level Control (ALC)
      5. 8.3.5 Attack Time
      6. 8.3.6 Release Time
      7. 8.3.7 Boost Converter
      8. 8.3.8 Gain Setting
      9. 8.3.9 Shutdown Function
    4. 8.4 Device Functional Modes
      1. 8.4.1 Software or Hardware Mode
      2. 8.4.2 Single-Ended Input Configuration
    5. 8.5 Programming
      1. 8.5.1 Read/Write I2C Compatible Interface
      2. 8.5.2 Write Sequence
      3. 8.5.3 Read Sequence
    6. 8.6 Register Maps
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Proper Selection of External Components
          1. 9.2.2.1.1 ALC Timing (CSET) Capacitor Selection
          2. 9.2.2.1.2 Power Selection of External Components
          3. 9.2.2.1.3 Boost Converter Capacitor Selection
          4. 9.2.2.1.4 Inductor Selection
          5. 9.2.2.1.5 Diode Selection
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Community Resources
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

5 Pin Configuration and Functions

YZR Package
16-Pin DSBGA
Top View
LM48560 30150704.gif

Pin Functions

PIN I/O DESCRIPTION
NO. NAME
A1 OUT+ O Amplifier Non-Inverting Output
A2 SGND — Amplifier Ground
A3 IN1– I Amplifier Inverting Input 1
A4 IN1+ I Amplifier Non-Inverting Input 1
B1 OUT– O Amplifier Inverting Output
B2 SHDN I Active Low Shutdown. Connect SHDN to GND to disable device.
Connect SHDN to VDD for normal operation
B3 IN2– I Amplifier Inverting Input 2
B4 IN2+ I Amplifier Non-Inverting Input 2
C1 VBST — Boost Converter Output
C2 SW/HW I Mode Selection Control:
 SW/HW = 0 → Hardware Mode
 SW/HW = 1 → Software Mode
C3 SCL/GAIN I I2C Serial Clock Input (Software Mode)
Gain Select Input (Hardware Mode)
see (Table 5)
C4 SDA/SEL I/O I2C Serial Data Input (Software Mode)
Amplifier Input Select (Hardware Mode)
see (Table 5)
D1 SET — ALC Timing Input
D2 VDD — Power Supply
D3 SW — Boost Converter Switching Node
D4 PGND — Boost Converter Ground
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