Texas Instruments DEM-PCM2912A EVM manual Line Output Playback Performance

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www.ti.comPlayback Performance

Table 4-1. Line Output Playback Performance

Power Supply	Performance	Filter Setting	RL	VOUTL	VOUTR
5.0 V	THD+N (0 dBFS at	400 Hz to 20 kHz	10 kΩ	0.0086%	0.0085%
	1 kHz)	Pre-Anlr
	SNR (BPZ input)	400 Hz to 20 kHz	10 kΩ	92.1 dB	92.1 dB
		Pre-Anlr
		+ A-weighting
	DR (–60 dBFS	400 Hz to 20 kHz	10 kΩ	90.3 dB	90.5 dB
	input)	Pre-Anlr
		+ A-weighting
	Channel Separation	400 Hz to 20 kHz	10 kΩ	89.3 dB	89.3 dB
	(BPZ input for target	Pre-Anlr
	channel)

Table 4-2. 32-ΩHeadphone Output Playback Performance

Power Supply	Performance	Filter Setting	RL	VOUTL	VOUTR
5.0 V	THD+N (0 dBFS at	400 Hz to 20 kHz	32 Ω	0.026%	0.025%
	1 kHz)	Pre-Anlr
	SNR (BPZ input)	400 Hz to 20 kHz	32 Ω	92.1 dB	92.1 dB
		Pre-Anlr
		+ A-weighting
	DR (–60 dBFS	400 Hz to 20 kHz	32 Ω	89.4 dB	89.4 dB
	input)	Pre-Anlr
		+ A-weighting

Table 4-3. 16-ΩHeadphone Output Playback Performance

Power Supply	Performance	Filter Setting	RL	VOUTL	VOUTR
5.0 V	THD+N (0 dBFS at	400 Hz to 20 kHz	16 Ω	0.044%	0.042%
	1 kHz)	Pre-Anlr
	SNR (BPZ input)	400 Hz to 20 kHz	16 Ω	92.1 dB	92.1 dB
		Pre-Anlr
		+ A-weighting
	DR (–60 dBFS	400 Hz to 20 kHz	16 Ω	89.4 dB	89.3 dB
	input)	Pre-Anlr
		+ A-weighting

SBAU141–January 2009	Evaluation and Measurements	35
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Contents Users Guide Submit Documentation Feedback Contents List of Figures List of Tables Submit Documentation Feedback Information About Cautions and Warnings About This Manual How to Use This ManualRead This First Trademarks Related Documentation From Texas InstrumentsIf You Need Assistance FCC Warning Pin Assignments and Terminal Functions DescriptionIntroduction-PCM2912A Key FeaturesTopView Pin Assignments and Terminal FunctionsName DEM-PCM2912A EVM Functional Block Diagram Functional Block DiagramSubmit Documentation Feedback Getting Started Interface and Connections Block DiagramDEM-PCM2912A EVM Connectors Electrostatic Discharge WarningBasic Operating Set-Up-Windows Vista Set-Up GuideWindows Vista Basic Operating Set-Up-Windows VistaVolume and Mute Settings To set the record volume Sampling Frequency To set the ADC sampling frequency Sound and Audio Devices Properties-Audio Tab Windows XP Basic Operating Set-Up-Windows XPVolume Settings Speaker Window for Volume Setting Windows XP Basic Operating Set-Up-Windows XP 12. Sound-Input Tab Mac OS Basic Operating Set-Up-Mac OS13. Sound-Output Tab Mac OS 14. Audio Midi Setting Window Mac OS 15. QuickTime Audio Recording Controls 16. Audio Midi Setting Window Mac OS Submit Documentation Feedback Evaluation and Measurements Measurements for Dynamic CharacteristicsPlayback Performance Measurements for Dynamic CharacteristicsΩHeadphone Output Playback Performance Line Output Playback PerformanceDout Recording PerformanceSchematics Printed Circuit Board Layout Component List Schematic, PCB Layout, and Bill of MaterialsDEM-PCM2912A EVM Schematic SchematicsDEM-PCM2912A EVM Board Layout-Silkscreen Printed Circuit Board LayoutBill of Materials Component ListValue2 FCC Warning Evaluation BOARD/KIT Important NoticeImportant Notice