Datasheet LTC2188 (Analog Devices) - 5

LTC2188
DynaMic 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) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input 77.1 dBFS 30MHz Input l 75.3 77 dBFS 70MHz Input 76.9 dBFS 140MHz Input 76.4 dBFS SFDR Spurious Free Dynamic Range 2nd Harmonic 5MHz Input 90 dBFS 30MHz Input l 84 90 dBFS 70MHz Input 89 dBFS 140MHz Input 84 dBFS Spurious Free Dynamic Range 3rd Harmonic 5MHz Input 90 dBFS 30MHz Input l 84 90 dBFS 70MHz Input 89 dBFS 140MHz Input 84 dBFS Spurious Free Dynamic Range 4th Harmonic or Higher 5MHz Input 95 dBFS 30MHz Input l 89 95 dBFS 70MHz Input 95 dBFS 140MHz Input 95 dBFS S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 76.9 dBFS 30MHz Input l 74.9 76.8 dBFS 70MHz Input 76.5 dBFS 140MHz Input 76.4 dBFS Crosstalk 10MHz Input –110 dBc
inTernal reFerence characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (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 2188f 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configurations 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 Typical Application Related Parts