TDF8530TH

I²C-bus controlled quad channel 45 W/2 Ω class-D poweramplifier with full diagnostics


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The TDF8530 is a quad Bridge-Tied Load (BTL) car audio amplifier comprising an NDMOST-NDMOST output stage based on SOI BCDMOS technology. Low power dissipation enables the TDF8530 high-efficiency, class-D amplifier to be used with a smaller heat sink than those normally used with standard class-AB amplifiers.

The TDF8530 can operate in either non-I²C-bus mode or I²C-bus mode. When in I²C-bus mode, DC load detection results and fault conditions can be easily read back from the device. Up to 12 I²C-bus addresses can be selected depending on the value of the external resistors connected to pins ADS and MOD.

When pin ADS is short circuited to ground, the TDF8530 operates in non-I²C-bus mode. Switching between Operating mode and Mute mode in non-I²C-bus mode is only possible using pins EN and SEL_MUTE.

Features and benefits

  • High-efficiency
  • Low quiescent current
  • Operating voltage from 6 V to 24 V
  • 4 Ω or 2 Ω capable BTL channels
  • Fast-mode I²C-bus
  • I²C-bus mode with 12 I²C-bus addresses or non-I²C-bus mode operation
  • Clip detect selectable at 0.2 % or 10 % THD
  • Independent short-circuit protection for each channel
  • Advanced short-circuit protection for load, GND and supply
  • Load dump protection to 50 V
  • Thermal foldback and thermal protection
  • DC offset protection
  • Selectable AD or BD modulation
  • Advanced clocking:
    • Switchable oscillator clock source: internal for Master mode or external for Slave mode
    • Spread spectrum mode
    • Phase staggering
    • Frequency hopping
  • No ‘pop noise’ caused by DC output offset voltage
  • I²C-bus mode:

    • Load diagnostics

      Speaker load, open load and shorted load

      Amplifier output to ground and to supply shorts

      Tweeter detection

    • Thermal pre-warning diagnostic level setting
    • Identification of activated protections or warnings
    • Selectable diagnostic information available using DIAG pin
  • Qualified in accordance with AEC-Q100

Applications

  • Car audio
  • Audio entertainment systems
All information on this product information page is subject to the subsequent disclaimers:
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Parametric search

Parametrics of this product

Type numberPackageSupply
voltage(V)		REMARKSChannel
config.		Car
audio		RMS power(W)Gain(dB)Channel
separation(dB)
TDF8530TH/N1SOT1131-1
(HSOP44)		24Diagnostic BTL quad Class Dyes4 x 26 (43)2668

Similar products

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
TDF8530TH/N2TDF8530TH/N2,1129352 977 27112DevelopmentSOT1131-1
(HSOP44) 		TubeStandard Marking
TDF8530TH/N2TDF8530TH/N2,1189352 977 27118DevelopmentSOT1131-1
(HSOP44) 		Reel Pack, SMD, 13"Standard Marking
TDF8530TH/N1TDF8530TH/N1,5129352 903 25512Volume productionSOT1131-1
(HSOP44) 		Tube Dry PackStandard Marking
TDF8530TH/N1TDF8530TH/N1,5189352 903 25518Volume productionSOT1131-1
(HSOP44) 		Reel Dry Pack, SMD, 13"Standard Marking

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
TDF8530TH/N2TDF8530TH/N2,112TDF8530TH/N211
TDF8530TH/N2TDF8530TH/N2,118TDF8530TH/N211
TDF8530TH/N1TDF8530TH/N1,512TDF8530TH/N133
TDF8530TH/N1TDF8530TH/N1,518TDF8530TH/N133
Quality and reliability disclaimer

Quality and reliability disclaimer

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Documentation for this product

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
TDF8530TH/N29352 977 27112TDF8530TH/N2,112      not available
TDF8530TH/N29352 977 27118TDF8530TH/N2,118      not available
TDF8530TH/N19352 903 25512TDF8530TH/N1,512      not available
TDF8530TH/N19352 903 25518TDF8530TH/N1,518NAFUTURE ELECTRONICS205/23/2012Buy online 
   EUFUTURE ELECTRONICS UK205/23/2012Buy online 
   ASIAFUTURE ELECTRONICS- ASIA205/23/2012Buy online 
   NADIGI-KEY CORPORATION35/24/2012Buy online 

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