Datasheet LTC2172-12, LTC2171-12, LTC2170-12 (Analog Devices) - 4

LTC2172-12/ LTC2171-12/LTC2170-12
Dyna Mic accuracy The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5) LTC2172-12 LTC2171-12 LTC2170-12 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input 71 70.9 70.5 dBFS 30MHz Input l 69.7 71 69.5 70.8 69.3 70.5 dBFS 70MHz Input 70.9 70.8 70.5 dBFS 140MHz Input 70.6 70.5 70.2 dBFS SFDR Spurious Free Dynamic Range 5MHz Input 90 90 90 dBFS 2nd or 3rd Harmonic 30MHz Input l 77 90 79 90 79 90 dBFS 70MHz Input 89 89 89 dBFS 140MHz Input 84 84 84 dBFS Spurious Free Dynamic Range 5MHz Input 90 90 90 dBFS 4th Harmonic or Higher 30MHz Input l 85 90 85 90 85 90 dBFS 70MHz Input 90 90 90 dBFS 140MHz Input 90 90 90 dBFS S/(N+D) Signal-to-Noise Plus 5MHz Input 70.9 70.8 70.5 dBFS Distortion Ratio 30MHz Input l 69.1 70.9 69.4 70.7 69.2 70.4 dBFS 70MHz Input 70.7 70.6 70.3 dBFS 140MHz Input 70.3 70.2 69.9 dBFS Crosstalk, Near Channel 10MHz Input (Note 12) –90 –90 –90 dBc Crosstalk, Far Channel 10MHz Input (Note 12) –105 –105 –105 dBc
i nTernal reFerence characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 0.5 • VDD – 25mV 0.5 • VDD 0.5 • VDD + 25mV V VCM Output Temperature Drift ±25 ppm/°C VCM Output Resistance –600µA < IOUT < 1mA 4 Ω VREF Output Voltage IOUT = 0 1.225 1.250 1.275 V VREF Output Temperature Drift ±25 ppm/°C VREF Output Resistance –400µA < IOUT < 1mA 7 Ω VREF Line Regulation 1.7V < VDD < 1.9V 0.6 mV/V 21721012fb 4 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Power Requirements Timing Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Typical Applications Package Description Revision History Related Parts