PCM1774 Status: ACTIVE

93dB SNR Low-Power Stereo DAC with HP Amplifier (S/W Control)

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Datasheet

16-Bit Low Power Stereo Audio DAC w/Analog Mixing Headphone Outputs (PDF 1554 KB)
30 Jul 2007

	PCM1770	PCM1771	PCM1772	PCM1773	PCM1774
SNR(Typ)(dB)	98	98	98	98	93
# DACs	2	2	2	2	2
# Inputs / # Outputs	0 / 2	0 / 2	0 / 2	0 / 2	0 / 2
Sampling Rate(Max)(kHz)	48	48	48	48	50
Resolution(Bits)	24	24	24	24	16
Digital Audio Interface	L,R,I2S	L,I2S	L,R,I2S	L,I2S	L,R,I2S,DSP
Control Interface	SPI	H/W	SPI	H/W	SPI, I2C
Analog Supply(V)	1.6 - 3.6	1.6 - 3.6	1.6 - 3.6	1.6 - 3.6	2.4 - 3.6
Digital Supply (up to 5 V)(V)	1.6 - 3.6	1.6 - 3.6	1.6 - 3.6	1.6 - 3.6	1.71 - 3.6
Pd(Typ)(mW)	6.5	6.5	6.5	6.5	7
Additional Features	HP Out	HP Out			Headphone, Mix
Operating Temp Range(Celsius)	0 to 70	0 to 70	0 to 70	0 to 70	-40 to 85
Pin/Package	16TSSOP, 20VQFN	16TSSOP, 20VQFN	16TSSOP, 20VQFN	16TSSOP, 20VQFN	20QFN
	Samples	Samples	Samples	Samples	Samples
	Inventory	Inventory	Inventory	Inventory	Inventory

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Product Information

Features

Analog Front End:
- Stereo Single-Ended Input
- Microphone Amplifier (12 dB, 20 dB)
Analog Back End:
- Stereo/Mono Line Output With Volume
- Stereo/Mono Headphone Amplifier With Volume
Analog Performance:
- Dynamic Range: 93 dB
- 40-mW + 40-mW Headphone Output at R_L = 16
Power Supply Voltage
- 1.71 V to 3.6 V for Digital I/O Section
- 1.71 V to 3.6 V for Digital Core Section
- 2.4 V to 3.6 V for Analog Section
- 2.4 V to 3.6 V for Power Amplifier Section
Low Power Dissipation:
- 6.4 mW in Playback, 1.8 V/2.4 V, 44.1 kHz
- 3.3 µW in Power Down
Sampling Frequency: 5 kHz to 50 kHz
Operation From a Single Clock Input Without PLL
System Clock:

View All Features in Datasheet

Description

The PCM1774 is a low-power stereo DAC designed for portable digital audio applications. The device integrates headphone amplifier, line amplifier, line input, boost amplifier, programmable gain control, analog mixing, and sound effects. It is available in a small-footprint, 4-mm × 4-mm QFN package. The PCM1774 supports right-justified, left-justified, I²S, and DSP formats, providing easy interfacing to audio DSP and decoder/encoder chips. Sampling rates up to 50 kHz are supported. The user-programmable functions are accessible through a two- or three-wire serial control port.

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	Samples
PCM1774RGPR	ACTIVE	-40 to 85	1.50 \| 1ku	QFN (RGP) \| 20	View	3000 \| LARGE T&R	Purchase Samples
PCM1774RGPRG4	ACTIVE	-40 to 85	1.50 \| 1ku	QFN (RGP) \| 20	View	3000 \| LARGE T&R	Purchase Samples
PCM1774RGPT	ACTIVE	-40 to 85	1.65 \| 1ku	QFN (RGP) \| 20	View	250 \| SMALL T&R
PCM1774RGPTG4	ACTIVE	-40 to 85	1.65 \| 1ku	QFN (RGP) \| 20	View	250 \| SMALL T&R

* 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

Reported Distributor Inventory as of 11:44 AM GMT, 20 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 20 WeeksPCM1774RGPR
Worldwide	DigiKey	Available
TI Lead Time*: 20 WeeksPCM1774RGPRG4
Worldwide	DigiKey	Available
TI Lead Time*: 20 WeeksPCM1774RGPT
Americas	Newark	28
Americas	Rochester Electronics	250
Asia	Farnell Asia	13
Asia	WPI	119
Europe	Arrow Northern Europe	250
	Avnet-SILICA	150
	Farnell	13
Worldwide	DigiKey	504
Worldwide	Mouser Electronics	15
TI Lead Time*: 20 WeeksPCM1774RGPTG4
Worldwide	DigiKey	Available
View all Distributors

** 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
PCM1774RGPR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
PCM1774RGPRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
PCM1774RGPT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
PCM1774RGPTG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	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

Most useful technical documents for PCM1774

Datasheet

16-Bit Low Power Stereo Audio DAC w/Analog Mixing Headphone Outputs (PDF, 1554 KB)
30 Jul 2007

Application Notes

Thermal and Electrical Properties of Selected Packaging Materials (HTM, 8 KB) 15987 views
04 Oct 2000 Read Abstract
Shelf-Life Evaluation of Lead-Free Component Finishes (HTM, 8 KB) 27183 views
24 May 2004 Read Abstract
Dyamic Performance Testing of Digital Audio D/A Converters (HTM, 8 KB) 8561 views
02 Oct 2000 Read Abstract

User Guides

DEM-DAI1774 EVM User's Guide (PDF, 2075 KB) 379 views
15 Feb 2008

Tools & Software

Name	Part #	Company	Tool / Software Type
Quick Search Selection Tool for Audio	AUDIO_SELECTION_TOOL	Texas Instruments	Free Evaluation Tools
PCM1774EVM - Graphical User Interface (GUI) Software(ZIP 5997 KB ) 58 views 02 Feb 2009

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PCM1774 Status: ACTIVE

93dB SNR Low-Power Stereo DAC with HP Amplifier (S/W Control)

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