PCM1796 Status: ACTIVE

24 bit, 192kHz Stereo Audio DAC

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Datasheet

24-Bit 192-kHz Sampling Advanced-Segment Audio Stereo DAC (Rev. A) (pcm1796.pdf, 711 KB)
30 Nov 2006 Download

	PCM1796
# DACs	2
Sampling Rate(Max)(kHz)	192
Resolution(Bits)	24
SNR(Typ)(dB)	123
# Inputs / # Outputs	0 / 2
Digital Audio Interface	L, R, ITS, TDMCA, DSD
Control Interface	SPI, I2C
Pd(Typ)(mW)	115
Analog Supply(V)	4.75 - 5.25
Digital Supply (up to 5 V)(V)	3 - 3.6
Additional Features	TDMCA/DSD Support
Operating Temp Range(Celsius)	-25 to 85
Pin/Package	28SSOP
	Samples
	Inventory

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Product Information

Features

24-Bit Resolution
Analog Performance:
- Dynamic Range: 123 dB
- THD+N: 0.0005%
Differential Current Output: 4 mA p-p
8× Oversampling Digital Filter:
- Stop-Band Attenuation: –98 dB
- Pass-Band Ripple: ±0.0002 dB
Sampling Frequency: 10 kHz to 200 kHz
System Clock: 128, 192, 256, 384, 512, or 768 f_S With Autodetect
Accepts 16-, 20-, and 24-Bit Audio Data
PCM Data Formats: Standard, I²S, and Left-Justified
DSD Format Interface Available
Interface Available for Optional External Digital Filter or DSP
TDMCA or Serial Port (SPI/I2C)
User-Programmable Mode Controls:
- Digital Attenuation: 0 dB to –120 dB, 0.5 dB/Step
- Digital De-Emphasis
- Digital Filter Rolloff: Sharp or Slow
- Soft Mute
- Zero Flag for Each Output
Compatible With PCM1792 (Pins and Mode Controls)
Dual Supply Operation:
- 5-V Analog, 3.3-V Digital
5-V Tolerant Digital Inputs
Small 28-Lead SSOP Package
APPLICATIONS
- A/V Receivers
- SACD Players
- DVD Players
- HDTV Receivers
- Car Audio Systems
- Digital Multitrack Recorders
- Other Applications Requiring 24-Bit Audio

Description

The PCM1796 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 PCM1796 provides balanced current outputs, allowing the user to optimize analog performance externally. The PCM1796 accepts PCM and DSD audio data formats, providing easy interfacing to audio DSP and decoder chips. The PCM1796 also interfaces with external digital filter devices (DF1704, DF1706, PMD200). Sampling rates up to 200 kHz are supported. A full set of user-programmable functions is accessible through an SPI or I2C serial control port, which supports register write and readback functions. The PCM1796 also supports the time division multiplexed command and audio (TDMCA) data format.

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			CAD Design Tools		Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Footprints	Samples
PCM1796DB	ACTIVE	-25 to 85	3.70 \| 100u	SSOP (DB) \| 28	View	47 \| TUBE
PCM1796DBG4	ACTIVE	-25 to 85	3.70 \| 100u	SSOP (DB) \| 28	View	47 \| TUBE
PCM1796DBR	ACTIVE	-25 to 85	3.70 \| 100u	SSOP (DB) \| 28	View	2000 \| LARGE T&R	Purchase Samples
PCM1796DBRG4	ACTIVE	-25 to 85	3.70 \| 100u	SSOP (DB) \| 28	View	2000 \| LARGE T&R	Purchase 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
PCM1796DB	As of 8:57 AM GMT, 07 Oct 2008			As of 8:57 AM GMT, 07 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	7985*	>10k \| 23 Feb	4 Weeks	Americas	Mouser Electronics	3
				Americas	Newark	34
				Asia	WPI	37
				Europe	Arrow Southern Europe	987
					Avnet-SILICA	218
					Spoerle	141
PCM1796DBG4	As of 8:57 AM GMT, 07 Oct 2008			As of 8:57 AM GMT, 07 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	7985*	>10k \| 23 Feb	4 Weeks	None Reported View Distributors
PCM1796DBR	As of 8:57 AM GMT, 07 Oct 2008			As of 8:57 AM GMT, 07 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	>10k \| 23 Feb	20 Weeks	None Reported View Distributors
PCM1796DBRG4	As of 8:57 AM GMT, 07 Oct 2008			As of 8:57 AM GMT, 07 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	>10k \| 23 Feb	20 Weeks	None Reported View Distributors
View all 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
PCM1796DB	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
PCM1796DBG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
PCM1796DBR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
PCM1796DBRG4	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

24-Bit 192-kHz Sampling Advanced-Segment Audio Stereo DAC (Rev. A) (pcm1796.pdf, 711 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-DSD1796/PCM1796/PCM1798 User's Guide (sleu057.pdf, 221 KB)
08 Sep 2004 Download

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