Datasheet LTC2311-14 (Analog Devices) - 4

LTC2311-14
DYNAMIC ACCURACY The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C and AIN = –1dBFS (Notes 4, 8). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio fIN = 2.2MHz, VREFOUT = 4.096V, Internal Reference l 76 80 dB fIN = 2.2MHz, VREFOUT = 5V, External Reference 80.5 dB SNR Signal-to-Noise Ratio fIN = 2.2MHz, VREFOUT = 4.096V, Internal Reference l 76.5 80.6 dB fIN = 2.2MHz, VREFOUT = 5V, External Reference 81.3 dB THD Total Harmonic Distortion fIN = 2.2MHz, VREFOUT = 4.096V, Internal Reference l –90 –79 dB fIN = 2.2MHz, VREFOUT = 5V, External Reference –88 dB SFDR Spurious Free Dynamic Range fIN = 2.2MHz, VREFOUT = 4.096V, Internal Reference l 78 95 dB fIN = 2.2MHz, VREFOUT = 5V, External Reference 90 dB –3dB Input Bandwidth 100 MHz Aperture Delay 500 ps Aperture Jitter 1 psRMS Transient Response Full-Scale Step 3 ns
INTERNAL REFERENCE CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C (Note 4). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VREFOUT REFOUT Output Voltage 4.75V < VDD < 5.25V l 4.082 4.096 4.110 V 3.13V < VDD < 3.47V l 2.042 2.048 2.054 V REFOUT Input Voltage 4.75V < VDD < 5.25V, REFIN = 0V (Note 5) l 0.5 VDD V 3.13V < VDD < 3.47V, REFIN = 0V (Note 5) l 0.5 VDD V REFOUT Temperature Coefficient (Note 14) l 3 20 ppm/°C REFOUT Short-Circuit Current VDD = 5.25V, Forcing Output to GND l 30 mA REFOUT Line Regulation VDD = 4.75V to 5.25V 0.3 mV/V REFOUT Load Regulation IREFOUT < 2mA 0.5 mV/mA REFOUT Input Resistance (External Reference REFIN = 0V l 60 kΩ Mode) IREFOUT REFOUT Input Current (External Reference REFIN = 0V, REFOUT = 4.096V 700 µA Mode) (Notes 9, 10) VREFIN REFIN Output Voltage 3.13V < VDD < 3.47V l 1.245 1.25 1.255 V 4.75V < VDD < 5.25V REFIN Input Voltage 3.13V < VDD < 3.47V (Note 5) l 1 1.85 V 4.75V < VDD < 5.25V (Note 5) l 1 1.45 V REFIN Short-Circuit Current VDD = 5.25V, Forcing Output to GND l 250 µA VIL (VREFIN) REFIN Low Level Input Voltage (External 3.13V < VDD < 3.47V l 0.5 V Reference Mode) 4.75V < VDD < 5.25V l 0.5 V 231114fa 4 For more information www.linear.com/LTC2311-14 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Functional Block Diagram Timing Diagram Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information OVERVIEW CONVERTER OPERATION TRANSFER FUNCTION INPUT DRIVE CIRCUITS ADC REFERENCE DYNAMIC PERFORMANCE POWER CONSIDERATIONS TIMING AND CONTROL DIGITAL INTERFACE BOARD LAYOUT Package Description Revision History Typical Application Related Parts