Audio Converters and CODECs - Digital to Analog (DACs) - DF1704

Product is Not Recommended for New Design (NRND)

Replaced By:

PCM1796 The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.

Datasheet

DF1704: 24-Bit, 96kHz 8X Oversampling Filter (Rev. A) (df1704.pdf, 466 KB)
17 May 2001 Download

	DF1704
# DACs	2
Sampling Rate(Max)(kHz)	96
Resolution(Bits)	24
Digital Audio Interface	L, R, I2S
Control Interface	H/W, SPI
Pd(Typ)(mW)	100
Digital Supply (up to 5 V)(V)	4.5 - 5.5
Additional Features	Digital Interpolation Filter
Pin/Package	28SSOP
	Samples
	Inventory

Product Information

Features

COMPANION DIGITAL FILTER FOR THE PCM1704 24-BIT AUDIO DAC
HIGH PERFORMANCE FILTER:
- Stopband Attenuation: �115dB
- Passband Ripple: ±0.00005dB
AUDIO INTERFACE:
- Input Data Formats: Standard, Left-Justified,and I²S
- Input Word Length: 16,20,or 24 Bits
- Output Word Length: 16,18,20,or 24 Bits
- Sampling Frequency: 32kHz to 96kHz
PROGRAMMABLE FUNCTIONS:
- Hardware or Software Control Modes
- Sharp or Slow Roll-Off Filter Response
- Soft Mute
- Digital De-Emphasis
- Independent Left/Right Digital Attenuation
SYSTEM CLOCK: 256f_S, 384f_S, 512f_S, 768f_S
ON-CHIP CRYSTAL OSCILLATOR
+5V SINGLE-SUPPLY OPERATION
SMALL SSOP-28 PACKAGE

Description

The DF1704 is a high-performance, stereo, 8X oversampling digital interpolation filter designed for high-end consumer and professional audio applications. The DF1704 supports 24-bit, 96kHz operation and features user-programmable functions, including selectable filter response, de-emphasis, attenuation, and input/output data formats.

The DF1704 is the ideal companion for Texas Instruments� PCM1704 24-bit audio digital-to-analog converter. This combination allows for construction of very high-performance audio systems and components.

Pricing / Packaging / CAD Design Tools / Samples

		Price	Packaging			CAD Design Tools		Samples
Device	Status	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Footprints	Samples
DF1704E	ACTIVE	15.45 \| 100u	SSOP (DB) \| 28	View	47 \| TUBE	Purchase Samples
DF1704E/2K	ACTIVE	15.45 \| 100u	SSOP (DB) \| 28	View	2000 \| LARGE T&R	Purchase Samples
DF1704E/2KG4	ACTIVE	15.45 \| 100u	SSOP (DB) \| 28	View	2000 \| LARGE T&R	Purchase Samples
DF1704EG4	ACTIVE	15.45 \| 100u	SSOP (DB) \| 28	View	47 \| TUBE	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
DF1704E	As of 10:05 AM GMT, 19 Nov 2008			As of 10:05 AM GMT, 19 Nov 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	4700*		4 Weeks	Americas	Arrow	28
					Avnet	47
					DigiKey	144
					Mouser Electronics	26
					Newark	59
				Europe	Avnet-SILICA	29
DF1704E/2K	As of 10:05 AM GMT, 19 Nov 2008			As of 10:05 AM GMT, 19 Nov 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	4000*		4 Weeks	None Reported View Distributors
DF1704E/2KG4	As of 10:05 AM GMT, 19 Nov 2008			As of 10:05 AM GMT, 19 Nov 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	4000*		4 Weeks	None Reported View Distributors
DF1704EG4	As of 10:05 AM GMT, 19 Nov 2008			As of 10:05 AM GMT, 19 Nov 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	4700*		4 Weeks	Europe	Farnell	37
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
DF1704E	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
DF1704E/2K	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
DF1704E/2KG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
DF1704EG4	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

DF1704: 24-Bit, 96kHz 8X Oversampling Filter (Rev. A) (df1704.pdf, 466 KB)
17 May 2001 Download

User Guides

DEM-DAI1704/06 Demo Board User's Guide (slau068.htm, 8 KB)
03 May 2001 Abstract
DEM-DAI1704: Evaluation Fixture for the PCM1704, DF1704 (sbau013.pdf, 287 KB)
27 Sep 2000 Download

Tools & Software

Name	Part #	Company	Tool / Software Type
DEM-DAI1706 Evaluation Module	DEM-DAI1706	Texas Instruments	Development Boards/EVMs

Support and Community

Customer Tags

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DF1704 Status: NRND

SoundPlus(TM) Stereo, 24-Bit, 96kHz 8X Oversampling Digital Interpolation Filter D/A Converter