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LTC1666IGTR PBF, LTC1667, LTC1667IGPBF

Table of contents:
Info of LTC1666IGTR PBF
Info of LTC1667
Info of LTC1667IGPBF

LTC1666IGTR PBF, LTC1667, LTC1667IGPBF Selling Leads, Datasheet

MFG:LTC Package Cooled:SSOP D/C:0548+

LTC1666IGTR PBF, LTC1667, LTC1667IGPBF Picture

LTC1666IGTR PBF, LTC1667, LTC1667IGPBF Datasheet download

Five Points

Part Number: LTC1666IGTR PBF

MFG: LTC

Package Cooled: SSOP

D/C: 0548+

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LTC1667 General Description

The LTC^®1666/LTC1667/LTC1668 are 12-/14-/16-bit,50Msps differential current output DACs implemented on a high performance BiCMOS process with laser trimmed,thin-film resistors. The combination of a novel currentsteering architecture and a high performance process produces DACs with exceptional AC and DC performance.The LTC1668 is the first 16-bit DAC in the marketplace to exhibit an SFDR (spurious free dynamic range) of 87dB for an output signal frequency of 1MHz.

Operating from ±5V supplies, the LTC1666/LTC1667/LTC1668 can be configured to provide full-scale output currents up to 10mA. The differential current outputs of the DACs allow single-ended or true differential operation.The 1V to 1V output compliance of the LTC1666/LTC1667/LTC1668 allows the outputs to be connected directly to external resistors to produce a differential output voltage without degrading the converter's linearity. Alternatively,the outputs can be connected to the summing junction of a high speed operational amplifier, or to a transformer.

The LTC1666/LTC1667/LTC1668 are pin compatible and are available in a 28-pin SSOP and are fully specified over the industrial temperature range.

LTC1667 Maximum Ratings

Supply Voltage (V_DD) ............................................... 6V
Negative Supply Voltage (V_SS) .............................. 6V
Total Supply Voltage (V_DD to V_SS) .......................... 12V
Digital Input Voltage ...................0.3V to (V_DD + 0.3V)
Analog Output Voltage
   (I_OUTA and I_OUT B) ....... (V_SS 0.3V) to (V_DD + 0.3V)
Power Dissipation ............................................. 500mW
Operating Temperature Range
   LTC1666C/LTC1667C/LTC1668C ........... 0°C to 70°C
   LTC1666I/LTC1667I/LTC1668I .......... 40°C to 85°C
Storage Temperature Range ............. 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C

LTC1667 Features

· 50Msps Update Rate
· Pin Compatible 12-Bit, 14-Bit and 16-Bit Devices
· High Spectral Purity: 87dB SFDR at 1MHz f_OUT
· 5pV-s Glitch Impulse
· Differential Current Outputs
· 20ns Settling Time
· Low Power: 180mW from ±5V Supplies
· TTL/CMOS (3.3V or 5V) Inputs
· Small Package: 28-Pin SSOP

LTC1667 Typical Application

· Cellular Base Stations
· Multicarrier Base Stations
· Wireless Communication
· Direct Digital Synthesis (DDS)
· xDSL Modems
· Arbitrary Waveform Generation
· Automated Test Equipment
· Instrumentation

LTC1667 Connection Diagram

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