Features Binary or 2's complement output format Single supply operation Internal sample-and-hold Outputs 2.4V to 5V compatible Power down mode Pin-compatible with ADC12DL066 Internal/External Reference Description The ADC12D040 is a dual, low power monolithic CMOS analog-to-digital converter capable of converting analog input signals into 12-bit digital words at 40 Megasamples per second (Msps), minimum. This converter uses a differential, pipeline architecture with digital error correction and an on-chip sample-and-hold circuit to minimize die size and power consumption while providing excellent dynamic performance. Operating on a single 5V power supply, the ADC12D040 achieves 10.9 effective bits at 10 MHz input and consumes just 600 mW at 40 Msps, including the reference current. The Power Down feature reduces power consumption to 75 mW. The differential inputs provide a full scale differential input swing equal to 2VREF with the possibility of a single-ended input. Full use of the differential input is recommended for optimum performance. The digital outputs for the two ADCs are available on separate 12-bit buses with an output data format choice of offset binary or 2's complement. For ease of interface, the digital output driver power pins of the ADC12D040 can be connected to a separate supply voltage in the range of 2.4V to the digital supply voltage, making the outputs compatible with low voltage systems. The ADC12D040's speed, resolution and single supply operation make it well suited for a variety of applications. This device is available in the 64-lead TQFP package and will operate over the industrial temperature range of -40°C to +85°C. An evaluation board is available to facilitate the product evaluation process Key Specification SNR (fIN = 10 MHz) 68 dB (typ) ENOB (fIN = 10 MHz) 10.9 bits (typ) SFDR (fIN = 10 MHz) 80 dB (typ) Data Latency 6 Clock Cycles Supply Voltage +5V ±5% Power Consumption, Operating   Operating 600 mW (typ) Power Down Mode 75 mW (typ) Applications Ultrasound and Imaging Instrumentation Communications Receivers Sonar/Radar xDSL Cable Modems

Also Recommended LMH6552 For Analog Input Amplifier

Typical Application click for larger image	Block Diagram click for larger image
Typical Performance click for larger image

Parameters Values Resolution 12 bits Channels 2 Channels Max Sample Rate 40 MSPS Min Supply Voltage 4.75 Volt Max Supply Voltage 5.25 Volt Power Dissipation 0.6 Watt Nominal Vin 4 Vpp INL (+/-) 0.7 LSB DNL (+/-) 0.4 LSB ENOB 10.9 bits SINAD 68 dB SNR 68 dB SFDR 80 dB Min Sample Rate 0.1 MSPS THD dB -78 dB PowerWise Rating 1 3.92 pJ/conv Temperature Min -40 deg C Temperature Max 85 deg C Data Converter Type ADC PowerWise No

Datasheets

Title		Size	Date	Other Language
	ADC12D040 Dual 12-Bit, 40 MSPS, 600 mW A/D Converter with Internal/External Reference	995 Kbytes	9-Dec-05	日本語

Part Number(s) (NSID)	Top View	Availability	Current Reported Stock	Budgetary Pricing	Pack Size
ADC12D040CIVS/NOPB ADC12D040CIVS RoHS Status	TQFP	Full production Lead Time: 6 weeks	Distributor Region Qty ARROW Worldwide 441 AVNET-EM Worldwide 160 DIGI-KEY Worldwide 117 FARNELL Europe and Asia 2 MOUSER Worldwide 160 RS COMPONENTS Worldwide 1 TAYLOR Americas 441	$13.00 each at 1K+ pcs	tray of 160
ADC12D040CIVSX/NOPB ADC12D040CIVSX RoHS Status	TQFP	Full production Lead Time: 8 weeks	Distributor Region Qty DIGI-KEY Worldwide 0	$13.00 each at 1K+ pcs	reel of 1000

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for ADC12D040.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for ADC12D040 is located at RoHS Status.

Part Number(s) (NSID)	Description	Availability	Current Reported Stock	Budgetary Pricing	Pack Size
ADC12D040EVAL	Dual 12-Bit, 40 MSPS, 600 mW A/D Converter with Internal/External Reference	Full production	Distributor Region Qty DIGI-KEY Worldwide 0	$401.00 each	1
Description: The ADC12D040 is a Dual 12-Bit, 40 MSPS, 600mW A/D Converter with internal reference and internal sample-and-hold and is offered in a 64-lead LQFP. It is designed to operate over the industrial temperature range of -40°C to +85°C. This evaluation board is designed to ease the evaluation and design-in of National Semiconductor's dual 40 Msps ADC12D040 Analog-to-Digital Converter. The board can be used in either of two modes. In the Manual or Stand-alone mode the board can be used with suitable test equipment to evaluate the ADC12D040's performance. In the Computer of Automatic mode, evaluation is simplified through easy data capture and upload to a PC by connecting this board to the WaveVision Digital Interface board (order number WAVEVSN BRD 4.0 or later), which is connected to a personal computer through a USB port and using National Semiconductor's WaveVision software (version 4.0 or later) operating under Microsoft Windows. Alternatively, data capture board CLC-CAPT-PCASM may be used and connected to a personal computer through an RS-232 port. Features: 10.9 ENOB Single +5V Supply Operation Internal Reference Voltage Internal Sample-and-Hold Outputs 2.4V to 5V Compatible TTL/CMOS Compatible Input/Outputs Low Power Consumption Contents: Fully Assembled ADC12D040 Evaluation Board ADC12D040 Instruction Manual ADC12D040 Data Sheet

National Semiconductor follows the provisions of the Product Stewardship Guide for Customers (CSP-9-111C1) and Banned Substances and Materials of Interest Specification (CSP-9-111S2) for regulatory environmental compliance. Details may be found at: www.national.com/en/packaging/greennopb.html. Lead free products are RoHS compliant.

Lead Free product status is available through the search tool located here

Part Number(s) (NSID)	Weight (milligrams)	Type	Pins	MSL Rating	Peak Reflow	RoHS Status	CAD Symbols	Models	Package Marking Format
ADC12D040CIVS/NOPB ADC12D040CIVS	274.78 275.901	TQFP	64	3 3	260 260	Detail	Download	N/A	NSUZXYYTTE# ADC12D040 CIVS
ADC12D040CIVSX/NOPB ADC12D040CIVSX	274.78 275.901	TQFP	64	3 3	260 260	Detail	Download	N/A	NSUZXYYTTE# ADC12D040 CIVS

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for ADC12D040.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for ADC12D040 is located at RoHS Status.

Design Tools

Title	Size	Date
Evaluation Boards & Development Systems

CAD Symbols and Models Download ADC12D040 CAD Symbols

Models N/A

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
ADC12D040CIVS	CMOS7	0	21301	0	0	1584000	3	449464325
ADC12D040CIVSX	CMOS7	0	21301	0	0	1584000	3	449464325

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for ADC12D040.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for ADC12D040 is located at RoHS Status.