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Description

General part information

LTC2180 Series

The LTC2182/LTC2181/LTC2180 are two-channel simultaneous sampling 16-bit A/D converters designed for digitizing high frequency, wide dynamic range signals. They are perfect for demanding communications applications with AC performance that includes 77dB SNR and 90dB spurious free dynamic range (SFDR). Ultralow jitter of 0.07psRMSallows undersampling of IF frequencies with excellent noise performance.DC specs include ±2LSB INL (typ), ±0.5LSB DNL (typ) and no missing codes over temperature. The transition noise is 3.3LSBRMS.The digital outputs can be either full rate CMOS, Double Data Rate CMOS, or Double Data Rate LVDS. A separate output power supply allows the CMOS output swing to range from 1.2V to 1.8V.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 for a wide range of clock duty cycles.ApplicationsCommunicationsCellular Base StationsSoftware Defined RadiosPortable Medical ImagingMulti-Channel Data AcquisitionNondestructive Testing

Technical Specifications

Parameters and characteristics for this part

SpecificationLTC2180CUP#TRPBF
ArchitecturePipelined
ConfigurationS/H-ADC
Data InterfaceLVDS - Parallel, Parallel
FeaturesSimultaneous Sampling
Input TypeDifferential
Mounting TypeSurface Mount
Number of A/D Converters2 count
Number of Bits16 bits
Number of Inputs2
Operating Temperature (Max)70 °C
Operating Temperature (Min)0 °C
Package / Case64-WFQFN Exposed Pad
Package Length9 mm
Package Name64-QFN
Package Width9 mm
Ratio - ADC1
Ratio - S/H1
Reference TypeExternal, Internal
Sampling Rate (Per Second)25 MHz
Voltage - Supply, Analog (Max)1.9 V
Voltage - Supply, Analog (Min)1.7 V
Voltage - Supply, Digital (Max)1.9 V
Voltage - Supply, Digital (Min)1.7 V

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