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LTC2311-16 Datasheet(PDF) 4 Page - Linear Technology |
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LTC2311-16 Datasheet(HTML) 4 Page - Linear Technology |
4 / 26 page LTC2311-16 4 231116fa For more information www.linear.com/LTC2311-16 DYNAMIC ACCURACY SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS SINAD Signal-to-(Noise + Distortion) Ratio fIN = 2.2MHz, VREFOUT = 4.096V, Internal Reference fIN = 2.2MHz, VREFOUT = 5V, External Reference l 76 81 81.5 dB dB SNR Signal-to-Noise Ratio fIN = 2.2MHz, VREFOUT = 4.096V, Internal Reference fIN = 2.2MHz, VREFOUT = 5V, External Reference l 76.5 81.6 82.3 dB dB THD Total Harmonic Distortion fIN = 2.2MHz, VREFOUT = 4.096V, Internal Reference fIN = 2.2MHz, VREFOUT = 5V, External Reference l –90 –88 –79 dB dB SFDR Spurious Free Dynamic Range fIN = 2.2MHz, VREFOUT = 4.096V, Internal Reference fIN = 2.2MHz, VREFOUT = 5V, External Reference l 78 95 90 dB dB –3dB Input Bandwidth 100 MHz Aperture Delay 500 ps Aperture Jitter 1 psRMS Transient Response Full-Scale Step 3 ns 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). INTERNAL REFERENCE CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VREFOUT REFOUT Output Voltage 4.75V < VDD < 5.25V 3.13V < VDD < 3.47V l l 4.082 2.042 4.096 2.048 4.110 2.054 V V REFOUT Input Voltage 4.75V < VDD < 5.25V, REFIN = 0V (Note 5) 3.13V < VDD < 3.47V, REFIN = 0V (Note 5) l l 0.5 0.5 VDD VDD V 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 Mode) REFIN = 0V 60 kΩ IREFOUT REFOUT Input Current (External Reference Mode) REFIN = 0V, REFOUT = 4.096V (Notes 9, 10) 700 µA VREFIN REFIN Output Voltage 3.13V < VDD < 3.47V 4.75V < VDD < 5.25V l 1.245 1.25 1.255 V REFIN Input Voltage 3.13V < VDD < 3.47V (Note 5) 4.75V < VDD < 5.25V (Note 5) l l 1 1 1.85 1.45 V V REFIN Short-Circuit Current VDD = 5.25V, Forcing Output to GND l 250 µA VIL (VREFIN) REFIN Low Level Input Voltage (External Reference Mode) 3.13V < VDD < 3.47V 4.75V < VDD < 5.25V l l 0.5 0.5 V V The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C (Note 4). |
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