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MAX98358 MAX98358ETE+T MAX98358EVSYS#WLP有现货 可添加我们联系方式获取最优惠价格
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The MAX98358 is a digital pulse-density modulated (PDM) input Class D power amplifier that provides Class AB audio performance with Class D efficiency. This IC offers five selectable gain settings (3dB, 6dB, 9dB, 12dB, and 15dB) set by a single gain-select input (GAIN). The IC can be configured to produce a left channel, right channel, or (left/2 + right/2) output from the stereo input data.
The MAX98358 takes a stereo pulse density modulated (SPDM) input signal directly into the DAC. Data on the rising edge of PDM_CLK is considered left-channel data while data on the falling PDM_CLK edge is right channel. A mono sum feature is also implemented with SPDM data input by summing the data from both rising and falling clock edges.
Active emissions-limiting, edge-rate limiting, and overshoot control circuitry greatly reduce EMI. A filterless spread-spectrum modulation scheme eliminates the need for output filtering found in traditional Class D devices and reduces the component count of the solution.
The IC is available in 9-pin WLP (1.345mm x 1.435mm x 0.64mm) and 16-pin TQFN (3mm x 3mm x 0.75mm) packages and is specified over the -40°C to +85°C temperature range.
Single-Supply Operation (2.5V to 5.5V)
3.2W Output Power into 4Ω at 5V
1.8mA Quiescent Current (VDD= 3.7V)
92% Efficiency (RL= 8Ω, POUT= 1.5W)
29μVRMSOutput Noise (AV= 6dB)
Low 0.015% THD+N at 1kHz
Supported PDM_CLK Rates of 1.84MHz–4.32MHz and 5.28MHz–8.64MHz
Supports Left, Right, or Left/2 + Right/2 Outputs
Sophisticated Edge Rate Control Enables Filterless Class D Outputs
77dB PSRR at 217Hz
Low RF Susceptibility Rejects TDMA Noise from GSM Radios
Extensive Click-and-Pop Reduction Circuitry
Robust Short-Circuit and Thermal Protection
Available in Space-Saving Packages: 1.345mm x 1.435mm WLP (0.4mm Pitch), 3mm x 3mm TQFN
MAX98358ETE+T
MAX98358EVSYS#WLP
MAX98358DEV#TQFN
MAX98358EVSYS#TQFN
MAX98358EWL+T
MAX98358EWL+
MAX98358DEV#WLP
MAX98358ETE+
Applications/UsesCellular Phones
Notebook and Netbook Computers
Portable Media Players
Tablets