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TDA8922C

NXP
Part Number TDA8922C
Manufacturer NXP
Description 2 x 75 W class-D power amplifier
Published Feb 4, 2016
Detailed Description TDA8922C 2 × 75 W class-D power amplifier Rev. 01 — 7 September 2009 Product data sheet 1. General description The TDA8...
Datasheet PDF File TDA8922C PDF File

TDA8922C
TDA8922C

Overview
TDA8922C 2 × 75 W class-D power amplifier Rev.
01 — 7 September 2009 Product data sheet 1.
General description The TDA8922C is a high-efficiency Class D audio power amplifier.
Typical output power is 2 × 75 W with a speaker load impedance of 6 Ω.
The TDA8922C is available in both HSOP24 and DBS23P power packages.
The amplifier operates over a wide supply voltage range from ±12.
5 V to ±32.
5 V and features low quiescent current consumption.
2.
Features I Pin compatible with TDA8950/20C for both HSOP24 and DBS23P packages I Symmetrical operating supply voltage range from ±12.
5 V to ±32.
5 V I Stereo full differential inputs, can be used as stereo Single-Ended (SE) or mono Bridge-Tied Load (BTL) amplifier I High output power in typical applications: N SE 2 × 75 W, RL = 6 Ω (VDD = 30 V; VSS = −30 V) N SE 2 × 60 W, RL = 8 Ω (VDD = 30 V; VSS = −30 V) N BTL 1 × 155 W, RL = 8 Ω (VDD = 25 V; VSS = −25 V) I Low noise I Smooth pop noise-free start-up and switch off I Zero dead time switching I Fixed frequency I Internal or external clock I High efficiency I Low quiescent current I Advanced protection strategy: voltage protection and output current limiting I Thermal FoldBack (TFB) I Fixed gain of 30 dB in SE and 36 dB in BTL applications I Fully short-circuit proof across load I BD modulation in BTL configuration 3.
Applications I DVD I Mini and micro receiver I Home Theater In A Box (HTIAB) system I High-power speaker system NXP Semiconductors TDA8922C 2 × 75 W class-D power amplifier 4.
Quick reference data Table 1.
Quick reference data Symbol Parameter Conditions General VDD VSS Vth(ovp) supply voltage Operating mode negative supply voltage Operating mode overvoltage protection threshold VDD − VSS voltage Iq(tot) total quiescent current Operating mode; no load; no filter; no RC-snubber network connected Stereo single-ended configuration Po output power Mono bridge-tied load configuration Tj = 85 °C; LLC = 22 µH; CLC = 680 nF (see Figure 10); RL = 6 Ω; THD + N = 10 %;...


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