Features Internal sample-and-hold circuit and precision reference Low power consumption Clock Duty Cycle Stabilizer Single +3.0V or +3.3V supply operation Power-down mode Offset binary or 2's complement output data format 60-pin LLP package, (9x9x0.8mm, 0.5mm pin-pitch) Description The ADC14DC105 is a high-performance CMOS analog-to-digital converter capable of converting two analog input signals into 14-bit digital words at rates up to 105 Mega Samples Per Second (MSPS). These converters use a differential, pipelined architecture with digital error correction and an on-chip sample-and-hold circuit to minimize power consumption and the external component count, while providing excellent dynamic performance. A unique sample-and-hold stage yields a full-power bandwidth of 1 GHz. The ADC14DC105 may be operated from a single +3.0 V or +3.3V power supply. A power-down feature reduces the power consumption to very low levels while still allowing fast wake-up time to full operation. The differential inputs provide a 2V full scale differential input swing. A stable 1.2V internal voltage reference is provided, or the ADC14DC105 can be operated with an external 1.2V reference. Output data format (offset binary versus 2's complement) and duty cycle stabilizer are pin-selectable. The duty cycle stabilizer maintains performance over a wide range of clock duty cycles. The ADC14DC105 is available in a 60-lead LLP package and operates over the industrial temperature range of −40°C to +85°C. Key Specification Resolution 14 Bits Conversion Rate 105 MSPS SNR (fIN = 170 MHz) 71 dBFS (typ) SFDR (fIN = 170 MHz) 83 dBFS (typ) Full Power Bandwidth 1 GHz (typ) Power Consumption 690 mW (typ), VA=3.0V 800 mW (typ), VA=3.3V Applications High IF Sampling Receivers Wireless Base Station Receivers Test and Measurement Equipment Communications Instrumentation Portable Instrumentation

Also Recommended ADC12DC105▲ Pin Compatible, Lower Resolution Version Of The ADC14DC105 ADC14C105▲ Single Channel Version Of The ADC14DC105 ADC14DC080▲ Pin Compatible, Lower Speed Version Of The ADC14DC105 ADC14DS105▲ Serial Output Data Version Of The ADC14DC105 LMH6521 High Performance Dual DVGA LMH6552 Low-distortion, High-bandwidth Driver LP3878-ADJ Low Noise Linear Regulator Application Circuit

Typical Application click for larger image Application Circuit	Block Diagram click for larger image Block Diagram
Typical Performance *click for larger image SNR and SFDR vs Fin

Parameters / Values	ADC14DC105	ADC12DC105	ADC14C105	ADC14DC080	ADC14DS105
Resolution	14 bits	12 bits	14 bits	14 bits	14 bits
Channels	2 Channels	2 Channels	1 Channels	2 Channels	2 Channels
Max Sample Rate	105 MSPS	105 MSPS	105 MSPS	80 MSPS	105 MSPS
Min Supply Voltage	2.7 Volt	2.7 Volt	3 Volt	2.7 Volt	3 Volt
Max Supply Voltage	3.6 Volt	3.6 Volt	3.6 Volt	3.6 Volt	3.6 Volt
Power Dissipation	0.8 Watt	0.8 Watt	0.4 Watt	0.6 Watt	1.06 Watt
Nominal Vin	2 Vpp	2 Vpp	2 Vpp	2 Vpp	2 Vpp
INL (+/-)	1.5 LSB	0.5 LSB	1.5 LSB	1.5 LSB	1.5 LSB
DNL (+/-)	0.5 LSB	0.4 LSB	0.5 LSB	0.5 LSB	0.5 LSB
ENOB	11.8 bits	11.3 bits	11.8 bits	12 bits	11.8 bits
SINAD	72.8 dB	70 dB	72.8 dB	74 dB	72.8 dB
SNR	73 dB	70.1 dB	73 dB	74.2 dB	73 dB
SFDR	88 dB	88 dB	88 dB	90 dB	88 dB
Min Sample Rate	20 MSPS	20 MSPS	20 MSPS	20 MSPS	20 MSPS
THD dB	-86 dB	-86 dB	-86 dB	-88 dB	-86 dB
PowerWise Rating 1	1.07 pJ/conv	1.51 pJ/conv	1.07 pJ/conv	0.92 pJ/conv	1.42 pJ/conv
Temperature Min	-40 deg C	-45 deg C	-40 deg C	-40 deg C	-40 deg C
Temperature Max	85 deg C	85 deg C	85 deg C	85 deg C	85 deg C
Data Converter Type	ADC	ADC	ADC	ADC	ADC
PowerWise	Yes	Yes	Yes	Yes	Yes

Datasheets

Title		Size	Date	Other Language
	ADC14DC105 Dual 14-Bit, 105 MSPS A/D Converter with CMOS Outputs	432 Kbytes	23-Oct-08	日本語

Part Number(s) (NSID)	Top View	Availability	Current Reported Stock	Budgetary Pricing	Pack Size
ADC14DC105CISQ/NOPB ADC14DC105CISQ RoHS Status	LLP	Full production Lead Time: 6 weeks	Distributor Region Qty DIGI-KEY Worldwide 0	$63.00 each at 1K+ pcs	reel of 2000
ADC14DC105CISQE/NOPB RoHS Status	LLP	Full production Lead Time: 6 weeks	Distributor Region Qty DIGI-KEY Worldwide 144	$63.00 each at 1K+ pcs	reel of 250

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 ADC14DC105.

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 ADC14DC105 is located at RoHS Status.

Part Number(s) (NSID)	Description	Availability	Current Reported Stock	Budgetary Pricing	Pack Size
ADC14DC105LFEB/NOPB	The ADC14DC105 is a dual 14-Bit, 105 Msps A/D Converter	Full production Lead Free (RoHS)	Distributor Region Qty	CALL	N/A
Description: The ADC14DC105LFEB Design Kit is designed to ease evaluation and design-in of the National Semiconductor ADC14DC105 14-bit Analog-to-Digital Converter, which can operate at speeds up to 105 Msps. The evaluation board can be used in either of two modes. In the Manual mode suitable test equipment, such as a logic analyzer, can be used with the board to evaluate the ADC14DC105's performance. In the Computer Mode this evaluation board is used with National Semiconductor's WaveVision 5 board to capture data and WaveVision 5 software to analyze that data. The software can perform an FFT on the captured data upon command and, in addition to a frequency domain plot, shows dynamic performance in the form of SNR, SINAD, THD, SFDR and ENOB. Features: Board comes fully assembled and tested Single (+5V) supply needed All ADC features can be exercised Contents: Evaluation Board User's Guide

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
ADC14DC105CISQ/NOPB ADC14DC105CISQ	224.792 225.803	LLP	60	3 3	260 260	Detail	Download	N/A	NS UZXYTTE# 14DC105 CISQ
ADC14DC105CISQE/NOPB	224.792	LLP	60	3	260	Detail	Download	N/A	NS UZXYTTE# 14DC105 CISQ

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 ADC14DC105.

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 ADC14DC105 is located at RoHS Status.

Design Tools

Title	Size	Date
Evaluation Boards & Development Systems

CAD Symbols and Models Download ADC14DC105 CAD Symbols

Models N/A