1 FEATURES

MERUS? multilevel switching technology

5-level voltage modulation for ultra-low idle power con-

sumption: 155 mW @ 24 PVDD without the need of com-

plex dynamic rail-tracking systems

Inductor-less application for reduced system cost without

output power limitations

Reduced EMI emissions compared to traditional 2 and 3

level class D audio amplifiers for fast time to market with-

out compromises in audio performance or efficiency

High efficiency at low output power: 80 %, 2￠1.5 W, § ?

for extended battery life and easy thermal management

in multichannel products even in dle state

Flexible configuration and application

BTL rated output: 2x63 W, 241,40, 10% THD

PBTL rated output: 1x125W, 241,20), 10% THD

PVDD voltage range (audio playback): 135Vt026V.

PDD voltage range (communication): 6.65 V to 26

High efficiency at low output power: 80 %, 2￠1.5 W, 8

Short circuit protection: 8 A peak (BTL) / 16 A peak (PBTL)

External closed-loop feedback for improved THD

Integrated DSP with limiters and volume control

Easy configuration over 12C-bus with up to 64 devices

&-bit auxiliary ADC for intemal temp. / PVDD monitoring

or sampling from external sources.

Configurable switching edge steepness and inter-chip

PWM sync for multi-device systems

No external heatsink required

Audio performance

Output noise: 64 pms (A-weighted)

Dynamic range: 106 dB (A-weighted)

THD+N: 0.045%, 1W, 1 kHz

Audio 0

3-wire digital audio interface (no MCLK required)

32,44.1,48,88.2,96, 176.4, 192 kHz sample rates

125.2d TOM formats supported

Lowinput-to-output latency for echo cancellation

Post-DSP 125 output for chaining / echo cancellation