CRD4412 Cirrus Logic, Inc., CRD4412 Datasheet - Page 3

• Manufacturer Part Number: CRD4412
• Description: 60 W Quad Half-bridge Digital Amplifier Power Stage
• Manufacturer: Cirrus Logic, Inc.

DS690PP1
TABLE OF CONTENTS
LIST OF FIGURES
LIST OF TABLES
1. PIN DESCRIPTION ............................................................................................................................... 4
2. CHARACTERISTICS AND SPECIFICATIONS ..................................................................................... 7
3. TYPICAL CONNECTION DIAGRAMS .............................................................................................. 10
4. APPLICATIONS .................................................................................................................................. 14
5. RESET AND POWER-UP .................................................................................................................... 19
6. POWER SUPPLY, GROUNDING, AND PCB LAYOUT ...................................................................... 20
7. PARAMETER DEFINITIONS ............................................................................................................... 20
8. PACKAGE DIMENSIONS
9. THERMAL CHARACTERISTICS ........................................................................................................ 22
10. ORDERING INFORMATION ............................................................................................................. 23
11. REFERENCES ................................................................................................................................... 23
12. REVISION HISTORY ......................................................................................................................... 23
Figure 1. Typical Connection Diagram - Stereo Full-Bridge....................................................................... 10
Figure 2. Typical Connection Diagram - 2.1 Channels (2 x Half-Bridge + 1 x Full-Bridge) ........................ 11
Figure 3. Typical Connection Diagram - 4-Channel Half-Bridge ................................................................ 12
Figure 4. Typical Connection Diagram - Mono Parallel Full-Bridge ........................................................... 13
Figure 5. Output Filter - Half-Bridge ........................................................................................................... 16
Figure 6. Output Filter - Full-Bridge............................................................................................................ 17
Table 1. Output Mode Configuration Options............................................................................................. 15
Table 2. Low-Pass Filter Components - Half-Bridge.................................................................................. 16
Table 3. DC-Blocking Capacitors Values - Half-Bridge.............................................................................. 16
Table 4. Low-Pass Filter Components - Full-Bridge .................................................................................. 17
Table 5. Over-Current Error Conditions ..................................................................................................... 18
Table 6. Thermal and Under-Voltage Error Conditions.............................................................................. 18
1.1 I/O Pin Characteristics ................................................................................................................... 6
SPECIFIED OPERATING CONDITIONS .............................................................................................. 7
ABSOLUTE MAXIMUM RATINGS ........................................................................................................ 7
DC ELECTRICAL CHARACTERISTICS ............................................................................................... 8
PWM OUTPUT CHARACTERISTICS ................................................................................................... 9
DIGITAL INTERFACE CHARACTERISTICS ........................................................................................ 9
4.1 Overview ....................................................................................................................................... 14
4.2 Feature Set Summary .................................................................................................................. 14
4.3 Output Mode Configuration .......................................................................................................... 15
4.4 Output Filter .................................................................................................................................. 16
4.5 Protection and Error Reporting ..................................................................................................... 18
5.1 PWM Popguard Transient Control ................................................................................................ 19
5.2 Recommended Power-Up Sequence ........................................................................................... 19
5.3 Recommended Power-Down Sequence ....................................................................................... 19
9.1 Thermal Flag ................................................................................................................................ 22
4.4.1 Half-Bridge Output Filter .................................................................................................. 16
4.4.2 Full-Bridge Output Filter (Stereo or Parallel) .................................................................... 17
4.5.1 Over-Current Protection ................................................................................................... 18
4.5.2 Under-Voltage and Thermal Protection ........................................................................... 18
................................................................................................................. 21
CS44130
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