X-On Electronics has gained recognition as a prominent supplier of MAX97001EWP+T Audio Amplifiers across the USA, India, Europe, Australia, and various other global locations. MAX97001EWP+T Audio Amplifiers are a product manufactured by Analog Devices. We provide cost-effective solutions for Audio Amplifiers, ensuring timely deliveries around the world.
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MAX97001 19-5130 Rev 1 7/10 Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers General Description Features The MAX97001 mono audio subsystem combines a S 2.7V to 5.5V Speaker Supply Voltage mono speaker amplifier with a stereo headphone ampli- S 1.6V to 2V Headphone Supply Voltage fier and an analog DPST switch. The headphone and S 700mW Speaker Output (V = 3.7V, Z = 8 PVDD SPK speaker amplifiers have independent volume control and + 68H) on/off control. The 4 inputs are configurable as 2 differ- ential inputs or 4 single-ended inputs. S 37mW/Channel Headphone Output (R = 16I) HP The entire subsystem is designed for maximum effi- S Low-Emission Class D Amplifier ciency. The high-efficiency, 700mW, Class D speaker S Efficient Class H Headphone Amplifier amplifier operates directly from the battery and con- S Ground-Referenced Headphone Outputs sumes no more than 1FA in shutdown mode. The Class S 2 Stereo Single-Ended/Mono Differential Inputs H headphone amplifier utilizes a dual-mode charge pump to maximize efficiency while outputting a ground- S Integrated Distortion Limiter (Speaker Outputs) referenced signal that does not require output coupling S Integrated DPST Analog Switch capacitors. S No Clicks and Pops The speaker amplifier incorporates a distortion limiter to S TDMA Noise Free automatically reduce the volume level when excessive clipping occurs. This allows high gain for low-level sig- S 2mm x 2.5mm, 20-Bump, 0.5mm Pitch WLP nals without compromising the quality of large signals. Package 2 All control is performed using the 2-wire I C interface. The MAX97001 operates over the extended -40NC to Ordering Information +85NC temperature range, and is available in the 2mm x 2.5mm, 20-bump, WLP package (0.5mm pitch). PART TEMP RANGE PIN-PACKAGE MAX97001EWP+ -40NC to +85NC 20 WLP Applications +Denotes a lead(Pb)-free/RoHS-compliant package. Cell Phones Portable Multimedia Players Simplified Block Diagram 2 1.8V BATTERY I C POWER SUPPLY CONTROL MAX97001 STEREO/ MONO CLASS H INPUT VOLUME AMPLIFIER CHARGE PUMP CLASS D LIMITER STEREO/ VOLUME AMPLIFIER MONO INPUT BYPASS Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com. EVALUATION KIT AVAILABLEAudio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Table of ConTenTs General Description 1 Applications 1 Features . 1 Simplified Block Diagram 1 Ordering Information . 1 Functional Diagram/Typical Application Circuit . 4 Absolute Maximum Ratings 5 Electrical Characteristics 5 Digital I/O Characteristics 9 2 I C TIMING Characteristics . 10 Typical Operating Characteristics 11 Pin Configuration . 17 Pin Description . 17 Detailed Description . 18 Signal Path 18 Mixers 18 Class D Speaker Amplifier 18 Ultra-Low EMI Filterless Output Stage .20 Distortion Limiter . 21 Analog Switch 21 Headphone Amplifier 21 DirectDrive 21 Charge Pump 22 Class H Operation 22 Low-Power Mode .22 2 I C Slave Address .22 2 I C Registers 23 Table 1. Register Map . 23 Table 2. Input Register . 24 Mixers 25 Table 3. Mixer Registers 25 Volume Control .26 Table 4. Volume Control Registers 26 Distortion Limiter 29 Table 5. Distortion Limiter Register . 29 Power Management .29 2 MAX97001