DAC1220 Status: ACTIVE

20-Bit Delta-Sigma Low Power Digital-To-Analog Converter

Burr-Brown

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Datasheet

20-Bit, Low-Power Digital-To-Analog Converter (Rev. F) (PDF 633 KB) 7916 views
20 Mar 2008

	DAC1220	DAC1221
Resolution(Bits)	20	16
DAC: Channels	1	1
Settling Time(µs)	10000	2000
Sample / Update Rate(MSPS)	0.0005	0.0005
Interface	Serial SPI	Serial SPI
Output Type	Voltage	Voltage
Voltage Range	2Vref	2Vref
Current Range(mA)	0.5	0.25
DNL(Max)(+/-LSB)	1	1
INL(Max)(+/-LSB)	1	2
INL (+/-)(Max)(%)	0.0015	0.0031
Monotonicity	20	16
Power Consumption(Typ)(mW)	2.5	1.2
Architecture	Delta-sigma	Delta-sigma
Reference: Type	Ext	Ext
Analog Voltage AV/DD(Min)(V)	4.75	2.7
Analog Voltage AV/DD(Max)(V)	4.75	3.3
Logic Voltage DV/DD(Min)(V)	4.75	2.7
Logic Voltage DV/DD(Max)(V)	5.25	3.3
No. of Supplies (Unipolar)	1	1
Rating	Catalog	Catalog
Pin/Package	16SSOP/QSOP	16SSOP/QSOP
Approx. Price (US$)	7.15 \| 1ku	6.60 \| 1ku
Thermal Shutdown	No	No
	Samples	Samples
	Inventory	Inventory

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Product Information

Features

20-Bit Monotonicity Ensured Over -40°C to +85°C
Low Power: 2.5mW
Voltage Output
Settling Time: 2ms to 0.012%
Maximum Linearity Error: ±0.0015%
On-Chip Calibration
APPLICATIONS
- Process Control
- ATE Pin Electronics
- Closed-Loop Servo Control
- Smart Transmitters
- Portable Instruments

Description

The DAC1220 is a 20-bit digital-to-analog (D/A) converter offering 20-bit monotonic performance over the specified temperature range. It utilizes delta-sigma technology to achieve inherently linear performance in a small package at very low power. The resolution of the device can be programmed to 20 bits for Full-Scale, settling to 0.003% within 15ms typical, or 16 bits for Full-Scale, settling to 0.012% within 2ms max. The output range is two times the external reference voltage. On-chip calibration circuitry dramatically reduces low offset and gain errors.

The DAC1220 features a synchronous serial interface; in single-converter applications, the serial interface can be accomplished with just two wires, allowing low-cost isolation. For multiple converters, a CS signal allows for selection of the appropriate D/A converter.

The DAC1220 has been designed for closed-loop control applications in the industrial process control market and high-resolution applications in the test and measurement market. It is also ideal for remote applications, battery-powered instruments, and isolated systems. The DAC1220is available in an SSOP-16 package.

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
DAC1220E	ACTIVE	-40 to 85	7.85 \| 1ku	SSOP/QSOP (DBQ) \| 16	View	75 \| TUBE
DAC1220E/2K5	ACTIVE	-40 to 85	7.15 \| 1ku	SSOP/QSOP (DBQ) \| 16	View	2500 \| LARGE T&R	Purchase Samples
DAC1220E/2K5G4	ACTIVE	-40 to 85	7.15 \| 1ku	SSOP/QSOP (DBQ) \| 16	View	2500 \| LARGE T&R	Purchase Samples
DAC1220EG4	ACTIVE	-40 to 85	7.85 \| 1ku	SSOP/QSOP (DBQ) \| 16	View	75 \| TUBE

* 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
DAC1220E	As of 11:35 AM GMT, 03 Jul 2009	As of 11:35 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	8 Weeks	Americas	Arrow	614
			Avnet	353
			DigiKey	374
			Mouser Electronics	434
			Newark	161
		Asia	WPI	7
		Europe	Avnet-SILICA	400
			Compel	267
			Spoerle	174
DAC1220E/2K5	As of 11:35 AM GMT, 03 Jul 2009	As of 11:35 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	6 Weeks	Americas	DigiKey	Available
DAC1220E/2K5G4	As of 11:35 AM GMT, 03 Jul 2009	As of 11:35 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	6 Weeks	Americas	DigiKey	Available
DAC1220EG4	As of 11:35 AM GMT, 03 Jul 2009	As of 11:35 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	8 Weeks	Americas	DigiKey	Available
	8 Weeks	Europe	EBV Elektronik	75
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
DAC1220E	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
DAC1220E/2K5	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
DAC1220E/2K5G4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
DAC1220EG4	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 DAC1220

Datasheet

20-Bit, Low-Power Digital-To-Analog Converter (Rev. F) (PDF 633 KB) 7916 views
20 Mar 2008

Application Notes

Thermal and Electrical Properties of Selected Packaging Materials (HTM 8 KB) 12840 views
04 Oct 2000 Read Abstract
Shelf-Life Evaluation of Lead-Free Component Finishes (HTM 8 KB) 25031 views
24 May 2004 Read Abstract
Superposition: The Hidden DAC Linearity Error (HTM 8 KB) 2268 views
02 Oct 2000 Read Abstract
High Speed Data Conversion (HTM 8 KB) 19349 views
02 Oct 2000 Read Abstract
What Designers Should Know About Data Converter Drift (HTM 8 KB) 8643 views
02 Oct 2000 Read Abstract

View Application Notes for Digital to Analog Converters

User Guides

DAC1220EVM User's Guide (PDF 230 KB) 1048 views
06 Aug 2004
DEM-DAC1220: Evaluation Fixture for the DAC1220 (PDF 272 KB) 919 views
27 Sep 2000

View User Guides for Digital to Analog Converters

More Literature

Data Converter Plug-in for Code Composer Studio (Rev. D) (ZIP 5199 KB) 5687 views
05 May 2008
DAC1220 Gerber Files (ZIP 30 KB) 196 views
20 Aug 2004

View More Literature for Digital to Analog Converters

Tools & Software

Name	Part #	Company	Tool / Software Type
DAC1220EVM Evaluation Module	DAC1220EVM	Texas Instruments	Development Boards/EVMs

Part #	Name	Product Family	Comments
REF5050	Low Noise, Very Low Drift, Precision VOLTAGE REFERENCE	REFERENCES - SERIES VOLTAGE REFERENCES	SERIES VOLTAGE REFERENCE
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DAC1220 Status: ACTIVE

20-Bit Delta-Sigma Low Power Digital-To-Analog Converter

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