24-Bit 192 kHz Stereo Audio DAC - PCM1794A

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Quality & Pb-Free Data	Pricing/Packaging	Application Notes
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Datasheet

	14-Bit 192-kHz Sampling Advanced Segment DAC (Rev. A) (pcm1794a.pdf, 423 KB) 30 Nov 2006 Download

	PCM1794A
# DACs	2
Sampling Rate(Max)(kHz)	192
Resolution(Bits)	24
SNR(Typ)(dB)	127
# Inputs / # Outputs	0 / 2
Digital Audio Interface	L, R, I2S
Control Interface	H/W
Pd(Typ)(mW)	205
Analog Supply(V)	4.75 - 5.25
Digital Supply (up to 5 V)(V)	3 - 3.6
Operating Temp Range(Celsius)	-25 to 85
Pin/Package	28SSOP
	Samples
	Inventory

Product Information

Features

24-Bit Resolution
Analog Performance:
- Dynamic Range:
  132 dB (9 V RMS, Mono)
  129 dB (4.5 V RMS, Stereo)
  127 dB (2 V RMS, Stereo)
- THD+N: 0.0004%
Differential Current Output: 7.8 mA p-p
8× Oversampling Digital Filter:
- Stop-Band Attenuation: –130 dB
- Pass-Band Ripple: ±0.00001 dB
Sampling Frequency: 10 kHz to 200 kHz
System Clock: 128, 192, 256, 384, 512, or 768 f_S With Autodetect
Accepts 16- and 24-Bit Audio Data
PCM Data Formats: Standard, I²S, and Left-Justified
Optional Interface Available to External Digital Filter or DSP
Digital De-Emphasis
Digital Filter Rolloff: Sharp or Slow
Soft Mute
Zero Flag
Dual-Supply Operation:
- 5-V Analog, 3.3-V Digital
5-V Tolerant Digital Inputs
Small 28-Lead SSOP Package
APPLICATIONS
- A/V Receivers
- DVD Players
- Musical Instruments
- HDTV Receivers
- Car Audio Systems
- Digital Multitrack Recorders
- Other Applications Requiring 24-Bit Audio

Description

The PCM1794A is a monolithic CMOS integrated circuit that includes stereo digital-to-analog converters and support circuitry in a small 28-lead SSOP package. The data converters use TI’s advanced segment DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1794A provides balanced current outputs, allowing the user to optimize analog performance externally. Sampling rates up to 200 kHz are supported.

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What's This?

View RoHS Compliant Devices

PCM1794A, Status:ACTIVE
24-Bit 192 kHz Stereo Audio DAC

Blu-ray Player and Home Theater

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Pricing/Packaging/CAD Design Tools/Samples
			Price	Packaging			CAD Design Tools		Samples
Device	Status	Temp (^oC)	Budget Price ($US) \| QTY	Industry Standard (TI Pkg) \| Pins	Top Side Marking	Standard Pack Quantity \| Package Carrier	Symbols	Footprints	Samples
PCM1794ADB	ACTIVE	-25 to 85	13.35 \| 100u	SSOP (DB) \| 28	View	47 \| TUBE	Purchase Samples
PCM1794ADBG4	ACTIVE	-25 to 85	13.35 \| 100u	SSOP (DB) \| 28	View	47 \| TUBE	Purchase Samples
PCM1794ADBR	ACTIVE	-25 to 85	13.35 \| 100u	SSOP (DB) \| 28	View	2000 \| LARGE T&R	Request Free Samples
PCM1794ADBRG4	ACTIVE	-25 to 85	13.35 \| 100u	SSOP (DB) \| 28	View	2000 \| LARGE T&R	Request Free Samples

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory
	TI Inventory Status			Reported Distributor Inventory
PCM1794ADB	As of 8:45 AM GMT, 6 Aug 2008			As of 8:45 AM GMT, 6 Aug 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*		20 Weeks	Americas	Arrow	141
					Mouser Electronics	23
					Newark	27
				Europe	Spoerle	47
PCM1794ADBG4	As of 8:45 AM GMT, 6 Aug 2008			As of 8:45 AM GMT, 6 Aug 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*		20 Weeks	None Reported View Distributors
PCM1794ADBR	As of 8:45 AM GMT, 6 Aug 2008			As of 8:45 AM GMT, 6 Aug 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	1032*		20 Weeks	Americas	DigiKey	>1k
				Americas	Mouser Electronics	200
				Asia	WPI	>1k
PCM1794ADBRG4	As of 8:45 AM GMT, 6 Aug 2008			As of 8:45 AM GMT, 6 Aug 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	1032*		20 Weeks	None Reported View Distributors

* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data
	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
PCM1794ADB	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
PCM1794ADBG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
PCM1794ADBR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
PCM1794ADBRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Datasheets

14-Bit 192-kHz Sampling Advanced Segment DAC (Rev. A) (pcm1794a.pdf, 423 KB)
30 Nov 2006 Download

Application Notes

Shelf-Life Evaluation of Lead-Free Component Finishes (szza046.htm, 8 KB)
24 May 2004 Abstract

Thermal and Electrical Properties of Selected Packaging Materials (sbfa010.htm, 8 KB)
04 Oct 2000 Abstract

Dyamic Performance Testing of Digital Audio D/A Converters (sbaa055.htm, 8 KB)
02 Oct 2000 Abstract

User Guides

DEM-PCM1792, DEM-DSD1792, DEM-PCM1794, DEM-DSD1794 EVM User's Guide (sleu037.htm, 8 KB)
06 Aug 2003 Abstract

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