Maxim MAX9719 Manuals

The MAX9718/MAX9719 differential input audio power amplifiers are ideal for portable audio devices with internal speakers. The differential input structure improves noise rejection and provides common-mode rejection. A bridge-tied load (BTL) architecture minimizes external component count, while providing high-quality, power audio amplification. The MAX9718 is a single-channel amplifier while the MAX9719 is a dual-channel amplifier for stereo systems. Both devices deliver 1.4W continuous average power per channel to a 4Ω load with less than 1% THD+N while operating from a single +5V supply. The devices are available as adjustable gain amplifiers or with internally fixed gains of 0dB, 3dB, and 6dB to reduce component count. A shutdown input disables the bias generator and amplifiers and reduces quiescent current consumption to less than 100nA. The MAX9718 shutdown input can be set as active high or active low. These devices feature Maxim’s comprehensive click-and-pop suppression circuitry that reduces audible clicks and pops during startup and shutdown. The MAX9718 is pin compatible with the LM4895, and is available in 9-bump UCSP™, 10-pin TDFN, and 10-pin μMAX® packages. The MAX9719 is available in 16-pin TQFN, 16-pin TSSOP, and 16-bump UCSP packages. Both devices operate over the -40°C to +85°C extended temperature range.

The MAX9718/MAX9719 are differential input audio power amplifiers that are ideal for portable audio devices with internal speakers. The differential input structure improves noise rejection and provides common-mode rejection. A bridge-tied load (BTL) architecture minimizes external component count, while providing high-quality, power audio amplification. Both devices deliver 1.4W continuous average power per channel to a 4Ω load with less than 1% THD+N while operating from a single +5V supply.

The MAX9718/MAX9719 is a audio power amplifier that is ideal for portable audio devices with internal speakers. The device features a bridge-tied load (BTL) architecture that provides high-quality, power audio amplification while minimizing external component count.

MAX9718/MAX9719 are single-supply differential dual-channel amplifiers from Maxim Integrated Products, with a working voltage range of 2.7V to 5.5V, providing 1.4W power (per channel) to 4Ω loads, with high PSRR, differential input, internal fixed gain, adjustable gain selection, low power shutdown mode, no click / pop sound, compatible with LM4895 pin, compatible with 1.8V logic levels.