CDB35L00
CDB35L00 Datasheet
CDB35L00-X4
| Part | Datasheet |
|---|---|
CDB35L00 |
CDB35L00 (pdf) |
| PDF Datasheet Preview |
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| CDB35L00-X4 W x 4 CS35L00 Amplifier Demonstration Board Contains 4 CS35L00 Hybrid Class-D Amplifiers Selectable +6 dB or +12 dB Gain Selectable Operational Modes Device Shutdown Control Delivers W/Ch into 4 at 10 % THD+N Delivers W/Ch into 8 at 10 % THD+N Differential Mono Analog Inputs for each CS35L00 Amplifier Demonstrates Recommended 4-Layer Layout and Grounding Arrangements Optional Output Filter Connections Optional Gain Adjustment Resistors Powered by Single V Power Supply The CDB35L00-X4 demonstrates the CS35L00 high-efficiency Hybrid Class-D audio amplifier. This demonstration board implements a four-channel, quad amplifier system that delivers W per full-bridge channel into loads using a single +5 V supply. Differential audio inputs can easily be connected through the J10, J20, J30, and J40 headers. If desired, the gain can be adjusted through the optional input resistors. Component landings are available for an optional EMI output filter. The CDB35L00-X4 can be configured to evaluate the four operational modes and two gain settings of the CS35L00 amplifier. Mode, Gain, and Shutdown control is available through the S1 switch. Hybrid control is available through the R13, R23, R33, and R43 resistors. ORDERING INFORMATION CDB35L00 CS35L00-X4 Demo Board Control Switch S1 VBATT Power J1 Analog Input J10 Analog Input J20 Analog Input J30 Analog Input J40 Optional Gain Adjustment Optional Gain Adjustment Optional Gain Adjustment Optional Gain Adjustment CS35L00 CS35L00 CS35L00 CS35L00 Optional Output Filter Optional Output Filter Optional Output Filter Optional Output Filter Speaker Output J11 Speaker Output J21 Speaker Output J31 Speaker Output J41 4 or 8 4 or 8 4 or 8 4 or 8 Copyright Cirrus Logic, Inc. 2010 All Rights Reserved APR '10 DS913DB2 CDB35L00-X4 TABLE OF CONTENTS SYSTEM OVERVIEW 3 CS35L00 Hybrid Class-D Amplifier 3 Power Supply 3 Operational Modes 3 Operational Mode Control 3 Shutdown Control 4 Shutdown Control Resistors 5 Gain Control 5 Optional Gain Adjustment Resistors 5 Differential Analog Inputs 6 Speaker Outputs 6 Optional Speaker Output EMI Filter Components 6 GROUNDING AND POWER SUPPLY DECOUPLING 7 Power Supply Decoupling 7 Electromagnetic Interference EMI 7 Suppression of EMI at the Source 7 SYSTEM CONNECTORS AND JUMPERS 8 CDB SCHEMATIC 9 LIST OF FIGURES Figure 1.Hybrid Control Resistors 4 Figure 2.Shutdown Control Resistors 5 Figure 3.Optional Bypass Trace Cut Locations for U1 6 Figure 4.CDB35L00-X4 Schematic 9 Figure 5.CDB35L00-X4 Top Side Component Placement 11 Figure 6.CDB35L00-X4 Bottom Side Component Placement 11 Figure 7.CDB35L00-X4 Layer 1 Copper 11 Figure 8.CDB35L00-X4 Layer 2 Copper 11 Figure 9.CDB35L00-X4 Layer 3 Copper 11 Figure 10.CDB35L00-X4 Layer 4 Copper 11 LIST OF TABLES Table S1 Switch GAIN & MODE Configurations 3 Table Hybrid Control Resistor & S1 Switch MODE Configurations 4 Table S1 Switch Default Shutdown Configurations 5 Table System Input and Output Connections 8 Table S1 Switch Settings 8 Table Bill of Materials Listing 10 |
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