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The RT9120S is a high efficiency, I2S-input, stereo channel audio power amplifier delivering maximum 2x30W into 8Ω BTL speaker loads. It can deliver over 94% power efficiency at 2x10W and eliminate the need for heatsink.The built-in anti-pop functions can reduce the speaker′s pop noise under all kind of scenarios. Built-in protection circuits can provide over-temperature, overcurrent, overvoltage, undervoltage protections and report error status.The RT9120S is a 3-wired device receiving all clocks from external sources with standard I2S, Left-justified, Right-justified or TDM formats. It can support wide input sampling rate from 8kHz to 192kHz.The RT9120S features one band DRC and flexible input mixer, and power clipping.
Wide Input Supply Range: 4.5V to 26.4V
Support 1.8V, 3.3V I/O
Configurable 4 Different IC Slave Address
1x53W, 1.0 Mode (4Ω, 22V, THD + N = 1%)
2x30W, 2.0 Mode (8Ω, 24V, THD + N = 1%)
SNR Up to 113dB
THD + N is 0.03% at 1W
35µV Noise Floor
Efficiency Up to 94% at 2x10W for 8Ω
RDS(ON) Low to 90mΩ
PWM Switching Frequency up to 1.536MHz
Sampling Frequency from 8kHz to 192kHz
Support TDM Format for Multi-Channel
Built-In Anti-Pop Function
Programmable Coefficients for DRC Filters
Built-In DC Blocking Filters
Built-in Thermal Fold Back control
Protection Features: UVLO, OVP, OCP, OTP and DCP
Inductor-Less Application
VQFN-32L Thermally-Enhanced Package
RoHS Compliant and Halogen Free
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