Datasheet LTC2320-12 (Analog Devices) - 3

LTC2320-12
ELECTRICAL 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
V + + – IN Absolute Input Range (AIN to AIN ) (Note 5) l 0 VDD V V – + – IN Absolute Input Range (AIN to AIN ) (Note 5) l 0 VDD V V + – + – IN – VIN Input Differential Voltage Range VIN = VIN – VIN l –REFOUT1,2,3,4 REFOUT1,2,3,4 V V + – CM Common Mode Input Range VCM = (VIN – VIN )/2 l 0 VDD V IIN Analog Input DC Leakage Current l –1 1 μA CIN Analog Input Capacitance 10 pF CMRR Input Common Mode Rejection Ratio fIN = 500kHz 102 dB VIHCNV CNV High Level Input Voltage l 1.5 V VILCNV CNV Low Level Input Voltage l 0.5 V IINCNV CNV Input Current l –10 10 μA
CONVERTER 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
Resolution l 12 Bits No Missing Codes l 12 Bits Transition Noise 0.2 LSBRMS INL Integral Linearity Error (Note 6) l –1 ±0.25 1 LSB DNL Differential Linearity Error l –0.99 ±0.4 0.99 LSB BZE Bipolar Zero-Scale Error (Note 7) l –1.5 0 1.5 LSB Bipolar Zero-Scale Error Drift 0.005 LSB/°C FSE Bipolar Full-Scale Error VREFOUT1,2,3,4 = 4.096V (REFBUFEN Grounded) (Note 7) l –3 0 3 LSB Bipolar Full-Scale Error Drift VREFOUT1,2,3,4 = 4.096V (REFBUFEN Grounded) 15 ppm/°C
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 = 500kHz, VREFOUT1,2,3,4 = 4.096V, Internal Reference l 74 77 dB fIN = 500kHz, VREFOUT1,2,3,4 = 5V, External Reference 77 dB SNR Signal-to-Noise Ratio fIN = 500kHz, VREFOUT1,2,3,4 = 4.096V, Internal Reference l 75 77 dB fIN = 500kHz, VREFOUT1,2,3,4 = 5V, External Reference 77.5 dB THD Total Harmonic Distortion fIN = 500kHz, VREFOUT1,2,3,4 = 4.096V, Internal Reference l –90 –76 dB fIN = 500kHz, VREFOUT1,2,3,4 = 5V, External Reference –91 dB SFDR Spurious Free Dynamic Range fIN = 500kHz, VREFOUT1,2,3,4 = 4.096V, Internal Reference l 76 93 dB fIN = 500kHz, VREFOUT1,2,3,4 = 5V, External Reference 93 dB –3dB Input Bandwidth 55 MHz Aperture Delay 500 ps Aperture Delay Matching 500 ps Aperture Jitter 1 psRMS Transient Response Full-Scale Step 30 ns Rev B For more information www.analog.com 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics 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 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 ADC Timing Characteristics ADC Timing Characteristics Typical Performance Characteristics Pin Functions CMOS data output option (CMOS/LVDS = low) LVDS data output option (CMOS/LVDS = high or FLOAT) 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