Datasheet LTC2311-12 (Analog Devices) - 3

LTC2311-12
c onverTer 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 0.3 LSBRMS INL Integral Linearity Error (Note 6) l –1 ±0.25 1 LSB DNL Differential Linearity Error l –0.99 ±0.2 0.99 LSB BZE Bipolar Zero-Scale Error (Note 7) l –2 0 2 LSB Bipolar Zero-Scale Error Drift 0.002 LSB/°C FSE Bipolar Full-Scale Error VREFOUT = 4.096V (REFIN Grounded) (Note 7) l –4 ±1 4 LSB Bipolar Full-Scale Error Drift VREFOUT = 4.096V (REFIN Grounded) 15 ppm/°C
Dyna Mic 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 70.5 73 dB fIN = 2.2MHz, VREFOUT = 5V, External Reference 73.2 dB SNR Signal-to-Noise Ratio fIN = 2.2MHz, VREFOUT = 4.096V, Internal Reference l 71 73.3 dB fIN = 2.2MHz, VREFOUT = 5V, External Reference 73.5 dB THD Total Harmonic Distortion fIN = 2.2MHz, VREFOUT = 4.096V, Internal Reference l –85 –79 dB fIN = 2.2MHz, VREFOUT = 5V, External Reference –85 dB SFDR Spurious Free Dynamic Range fIN = 2.2MHz, VREFOUT = 4.096V, Internal Reference l 79 90 dB fIN = 2.2MHz, VREFOUT = 5V, External Reference 90 dB –3dB Input Linear Bandwidth SNR – SINAD ≥ 3dB 10 MHz Aperture Delay 500 ps Aperture Jitter 1 psRMS Transient Response Full-Scale Step 3 ns
i nTernal 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 60 kΩ Mode) IREFOUT REFOUT Input Current (External Reference REFIN = 0V, REFOUT = 4.096V 700 µA Mode) (Note 10) 231112f For more information www.linear.com/LTC2311-12 3 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 Typical Application Related Parts