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Details for MAX98357AETE+T by Maxim Integrated
AUDIO POWER AMP D -40 TO 85DEG C
MAX98357AETE+T image

MAX98357AETE+T by Maxim Integrated

AUDIO POWER AMP D -40 TO 85DEG C
Features
2.4mA Quiescent Current
25u03bcVRMS Output Noise (AV = 15dB)
3.2W Output Power into 4u03a9 at 5V
77dB PSRR at 1kHz
92% Efficiency (RL = 8u03a9, POUT = 1W)
Available in Space-Saving Packages:
Extensive Click-and-Pop Reduction Circuitry
Low 0.015% THD+N at 1kHz
Low RF Susceptibility Rejects TDMA Noise from GSM Radios
No MCLK Required
Robust Short-Circuit and Thermal Protection
Sample Rates of 8kHz to 96kHz
Single-Supply Operation (2.5V to 5.5V)
Sophisticated Edge Rate Control Enables Filterless Class D Outputs
Supports Left, Right, or (Left/2 + Right/2) Output
Part Information
MAX98357AETE+T image
RoHS Compliant
Description
The MAX98357A/MAX98357B are digital pulse-code mod- ulation (PCM) input Class D power amplifiers that provide Class AB audio performance with Class D efficiency. These ICs offer five selectable gain settings (3dB, 6dB, 9dB, 12dB, and 15dB) in I2S/left-justified mode set by a single gain select input and a fixed 12dB gain in TDM mode. The digital audio interface is highly flexible with the MAX98357A supporting I2S data and the MAX98357B supporting left-justified data. Both ICs support 8 channel time division multiplexed (TDM) data. The digital audio interface accepts specified sample rates between 8kHz and 96kHz for all supported data formats. The ICs can be configured to produce a left channel, right channel, or (left/2 + right/2) output from the stereo input data. The ICs operate using 16/24/32-bit data for I2S and left-justified modes as well as 16-bit or 32-bit data using TDM mode. The ICs eliminate the need for the external MCLK signal that is typically used for PCM communication. This reduc- es EMI and possible board coupling issues in addition to reducing the size and pin count of the ICs. The ICs also feature a very high wideband jitter toler- ance (12ns typ) on BCLK and LRCLK to provide robust operation. Active emissions-limiting, edge-rate limiting, and over- shoot 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 ICs are 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 are specified over the -40°C to +85°C tem- perature range.
Specifications
Amplifier Class:
D
No. of Channels:
1 Channel
Output Power:
3.2W
Supply Voltage Range:
2.5V to 5.5V
Amplifier Case Style:
TQFN
No. of Pins:
16Pins
Load Impedance:
4ohm
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
Digital Input Class D Amplifier RS Components
AUDIO POWER AMP, D, -40 TO 85DEG C; Output Power:3.2W; Amplifier Class:D; No. of Channels:1 Channel; Supply Voltage Range:2.5V to 5.5V; Amplifier Case Style:TQFN; No. of Pins:16Pins; Load Impedance:4ohm; Product Range:- RoHS Compliant: Yes Newark Electronics
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MAX98357A Series 5.5 V 3.2 W PCM Input Class D Audio Power Amplifier - TQFN-16 Future Electronics