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10W Mono Class D amplifier for 2S battery operated portable devices


10W Mono ClassD for 2S battery

DA7202 is a powerful, highly efficient, low EMI Class D speaker driver that can drive 10W into 4Ω loads directly from a 2S lithium-ion battery pack to power a variety of two cell portable applications such as Ultrabooks™ and tablets.
DA7202 uses a fully-differential switched mode amplifier architecture with a fixed +18 dB gain and differential analog inputs. It also has a PWM modulator and an H‑bridged switched power output stage that delivers 3.8 Wrms into an 8 Ω load (10.2W into a 4 Ω load), making a speaker sound louder in portable devices.

Lifecycle status



Supports 4Ω and 8Ω loads

Input supply range: 4.5 to 9.0V

Prms : 9.0W into 4Ω load @ 8.2V, 1% THD+N

Prms : 10.2W into 4Ω load @ 8.2V, 10% THD+N

Prms : 3.8W into 8Ω load @ 8.2V, 1% THD+N

Prms : 5.0W into 8Ω load @ 8.2V, 10% THD+N

Efficiency: 85% @ Pout = 7.0W @ 8.2V, 4Ω

Efficiency: 90% @ Pout = 3.5W @ 8.2V, 8Ω

Ultra-low standby current : 7µA

SNR (A-weighted) 104dB

THD+N: 90dB

PSRR: 78dB

Fixed +18db gain


Low Component Count

Small PCB area due to 9 bump WLCSP 0.5mm pitch package

Good PSRR and THD+N

Differential Audio inputs


Short circuit and thermal overload protection with auto recovery




Personal Navigation Devices

Speaker Accessories

Handheld Gaming

Mobile Computing


9-WLCSP 0.5mm

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Product Briefs and Summaries
Name Date Version
10W Mono Class D amplifier for 2Sbattery operated portable devices (479.72 KB)
DA7202 Product Brief (1.25 MB)
Name Date Version
DA7202 Datasheet (879.59 KB) 09/03/2021 3.3
Name Date Version
DA7202 Schematic (30.79 KB)
User guides and manuals
Name Date Version
DA7202 Evaluation Board User Guide (1.18 MB)
Name Date Version
DA7202 EVB Layout & BOM (693.1 KB)