LTC2217 - 16-Bit, 105Msps Low Noise ADC

Features

• Click Here for LTC2217 Evaluation Kits
• Sample Rate: 105Msps
• 81.3dBFS Noise Floor
• 100dB SFDR
• SFDR >90dB at 70MHz
• 85fs_RMS  Jitter
• 2.75V_P-P Input Range
• 400MHz Full Power Bandwidth S/H
• Optional Internal Dither
• Optional Data Output Randomizer
• LVDS or CMOS Outputs
• Single 3.3V Supply
• Power Dissipation: 1.19W
• Clock Duty Cycle Stabilizer
• Pin Compatible with LTC2208
• 64-Pin (9mm x 9mm) QFN Package
• This Product is subject to United States Export Control and
  may require a license for export to certain countries.

Typical Application

Description

The LTC2217 is a 105Msps sampling 16-bit A/D converter designed for digitizing high frequency, wide dynamic range signals with input frequencies up to 400MHz. The input range of the ADC is fixed at 2.75V_P-P.

The LTC2217 is perfect for demanding communications applications, with AC performance that includes 81.3dBFS Noise Floor and 100dB spurious free dynamic range (SFDR). Ultra low jitter of 85fs_RMS allows undersampling of high input frequencies while maintaining excellent noise performance. Maximum DC specifications include ±3.5LSB INL, ±1LSB DNL (no missing codes).

The digital output can be either differential LVDS or single-ended CMOS. There are two format options for the CMOS outputs: a single bus running at the full data rate or demultiplexed buses running at half data rate. A separate output power supply allows the CMOS output swing to range from 0.5V to 3.6V.

The ENC+ and ENC– inputs may be driven differentially or single-ended with a sine wave, PECL, LVDS, TTL or CMOS inputs. An optional clock duty cycle stabilizer allows high performance at full speed with a wide range of clock duty cycles.

Packaging

QFN-64

Order Info

• Part numbers ending in PBF are lead free. Please contact LTC marketing for information on lead based finish parts.
• Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
• Please refer to our general ordering information or the product datasheet for more details

Package Variations and Pricing

Part Number	Package	Pins	Temp	Price (1-99)	Price (1k)*	RoHS Data
LTC2217CUP#PBF	QFN	64	C	$97.14	$68.00	View
LTC2217CUP#TRPBF	QFN	64	C		$68.10	View
LTC2217IUP#PBF	QFN	64	I	$116.57	$81.60	View
LTC2217IUP#TRPBF	QFN	64	I		$81.70	View
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^* The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Linear Technology sales office or authorized distributor.

Evaluation Kits

Part Number	Description	Price
DC996B-F	LTC2217IUP | LVDS OUT, 105Msps, 16-Bit ADC 70MHz < Ain < 140MHz, (req. DC890)	$200.00
DC996B-E	LTC2217IUP | LVDS OUT, 105Msps, 16-Bit ADC 1MHz < Ain < 70MHz, (req. DC890)	$200.00
DC718C	none | USB Data Acquisition Controller, for Controlling QuickEval Boards
DC890B	High Speed USB Data Collection Board	$300.00
DC890_LVDS_XFMR	LVDS Power Transformer, goes with DC890B/ ADC LVDS demoboards	$0.00
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Applications

• Telecommunications
• Receivers
• Cellular Base Stations
• Spectrum Analysis
• Imaging Systems
• ATE

Simulate

To simulate selected Linear Technology products, please download LTSpice / SwitcherCAD III. This powerful schematic capture and simulation tool includes macro models for 80% of Linear Technology's switching regulators, over 200 op amp models, as well as resistors, transistors and MOSFET models.

For other simulation tools, visit our Design Simulation and Device Models page.