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TDA8927 датащи(PDF) 3 Page - NXP Semiconductors |
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TDA8927 датащи(HTML) 3 Page - NXP Semiconductors |
3 / 36 page 2001 Dec 11 3 Philips Semiconductors Objective specification Power stage 2 × 80 W class-D audio amplifier TDA8927 1 FEATURES • High efficiency (>94%) • Operating voltage from ±15 to ±30 V • Very low quiescent current • High output power • Short-circuit proof across the load, only in combination with controller TDA8929T • Diagnostic output • Usable as a stereo Single-Ended (SE) amplifier or as a mono amplifier in Bridge-Tied Load (BTL) • Electrostatic discharge protection (pin to pin) • Thermally protected, only in combination with controller TDA8929T. 2 APPLICATIONS • Television sets • Home-sound sets • Multimedia systems • All mains fed audio systems • Car audio (boosters). 3 GENERAL DESCRIPTION The TDA8927 is the switching power stage of a two-chip set for a high efficiency class-D audio power amplifier system. The system is split into two chips: • TDA8927J/ST/TH; a digital power stage in a DBS17P, RDBS17P or HSOP24 power package • TDA8929T; the analog controller chip in a SO24 package. With this chip set a compact 2 × 80 W audio amplifier system can be built, operating with high efficiency and very low dissipation. No heatsink is required, or depending on supply voltage and load, a very small one. The system operates over a wide supply voltage range from ±15 up to ±30 V and consumes a very low quiescent current. 4 QUICK REFERENCE DATA 5 ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT General; VP = ±25 V VP supply voltage ±15 ±25 ±30 V Iq(tot) total quiescent current no load connected − 35 45 mA η efficiency Po =30W − 94 − % Stereo single-ended configuration Po output power RL =4 Ω; THD = 10%; VP = ±25 V 60 65 − W RL =4 Ω; THD = 10%; VP = ±27 V 74 80 − W Mono bridge-tied load configuration Po output power RL =4 Ω; THD = 10%; VP = ±17 V 90 110 − W RL =8 Ω; THD = 10%; VP = ±25 V 120 150 − W TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TDA8927J DBS17P plastic DIL-bent-SIL power package; 17 leads (lead length 12 mm) SOT243-1 TDA8927ST RDBS17P plastic rectangular-DIL-bent-SIL power package; 17 leads (row spacing 2.54 mm) SOT577-1 TDA8927TH HSOP24 plastic, heatsink small outline package; 24 leads; low stand-off height SOT566-2 |
Аналогичный номер детали - TDA8927 |
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Аналогичное описание - TDA8927 |
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