CRD35L01 Cirrus Logic Inc, CRD35L01 Datasheet - Page 2

• Manufacturer Part Number: CRD35L01
• Description: REF DESIGN W/BRD FOR CS35L0X
• Manufacturer: Cirrus Logic Inc

Specifications of CRD35L01

• Amplifier Type: Class D
• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.7W x 1 @ 8 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Board Type: Fully Populated
• Utilized Ic / Part: CS35L0X
• Description/function: Audio Amplifiers
• Operating Supply Voltage: 2.5 V to 5.5 V
• Output Power: 1.4 W, 1.7 W
• Product: Audio Modules
• For Use With/related Products: CS35L01
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Operating Temperature: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1804

2
TABLE OF CONTENTS
LIST OF FIGURES
1. SYSTEM OVERVIEW ............................................................................................................................. 4
2. GROUNDING AND POWER SUPPLY DECOUPLING .......................................................................... 6
3. SYSTEM CONNECTORS AND JUMPERS ............................................................................................ 7
4. CRD SCHEMATIC .................................................................................................................................. 8
5. CRD LAYOUT ....................................................................................................................................... 10
6. REVISION HISTORY ............................................................................................................................ 14
Figure 1.Optional Bypass Trace Cut Locations ........................................................................................... 5
Figure 2.CRD35L01-SD Schematic ............................................................................................................ 8
Figure 3.CRD35L01-FSD Schematic .......................................................................................................... 8
Figure 4.CRD35L01-HD Schematic ............................................................................................................ 8
Figure 5.CRD35L01-FHD Schematic .......................................................................................................... 8
Figure 6.CRD35L01-SD Top Side Component Placement ....................................................................... 10
Figure 7.CRD35L01-SD Bottom Side Component Placement .................................................................. 10
Figure 8.CRD35L01-SD Layer 1 Copper .................................................................................................. 10
Figure 9.CRD35L01-SD Layer 2 Copper .................................................................................................. 10
Figure 10.CRD35L01-SD Layer 3 Copper ................................................................................................ 10
Figure 11.CRD35L01-SD Layer 4 Copper ................................................................................................ 10
Figure 12.CRD35L01-FSD Top Side Component Placement ................................................................... 11
Figure 13.CRD35L01-FSD Bottom Side Component Placement .............................................................. 11
Figure 14.CRD35L01-FSD Layer 1 Copper .............................................................................................. 11
Figure 15.CRD35L01-FSD Layer 2 Copper .............................................................................................. 11
Figure 16.CRD35L01-FSD Layer 3 Copper .............................................................................................. 11
Figure 17.CRD35L01-FSD Layer 4 Copper .............................................................................................. 11
Figure 18.CRD35L01-HD Top Side Component Placement ..................................................................... 12
Figure 19.CRD35L01-HD Bottom Side Component Placement ................................................................ 12
Figure 20.CRD35L01-HD Layer 1 Copper ................................................................................................ 12
Figure 21.CRD35L01-HD Layer 2 Copper ................................................................................................ 12
Figure 22.CRD35L01-HD Layer 3 Copper ................................................................................................ 12
Figure 23.CRD35L01-HD Layer 4 Copper ................................................................................................ 12
Figure 24.CRD35L01-FHD Top Side Component Placement ................................................................... 13
Figure 25.CRD35L01-FHD Bottom Side Component Placement ............................................................. 13
Figure 26.CRD35L01-FHD Layer 1 Copper .............................................................................................. 13
Figure 27.CRD35L01-FHD Layer 2 Copper .............................................................................................. 13
Figure 28.CRD35L01-FHD Layer 3 Copper .............................................................................................. 13
Figure 29.CRD35L01-FHD Layer 4 Copper .............................................................................................. 13
1.1 CS35L01 Hybrid Class-D Amplifier .................................................................................................. 4
1.2 Power Supply ................................................................................................................................... 4
1.3 Operational Modes ........................................................................................................................... 4
1.4 Shutdown Control ............................................................................................................................ 4
1.5 Amplifier Gain .................................................................................................................................. 4
1.6 Differential Analog Inputs ................................................................................................................. 5
1.7 Speaker Outputs .............................................................................................................................. 5
2.1 Power Supply Decoupling ................................................................................................................ 6
2.2 Electromagnetic Interference (EMI) ................................................................................................. 6
4.1 Bill of Materials ................................................................................................................................. 9
1.5.1 Optional Input Gain Adjustment Resistors .............................................................................. 4
1.7.1 Optional Speaker Output EMI Filter Components ................................................................... 5
2.2.1 Suppression of EMI at the Source ........................................................................................... 6
CRD35L01
DS914RD2