Datasheet LTC2310-14 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 14-Bit + Sign, 2Msps Differential Input ADC with Wide Input Common Mode Range |
| 页数 / 页 | 24 / 3 — converTer characTerisTics. The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 763 Kb |
| 文件语言 | 英语 |
converTer characTerisTics. The. denotes the specifications which apply over the full operating
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LTC2310-14
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 14 Bits No Missing Codes l 14 Bits Transition Noise 0.5 LSBRMS INL Integral Linearity Error (Note 6) l –2.5 ±0.8 2.5 LSB DNL Differential Linearity Error l –0.99 ±0.25 0.99 LSB BZE Bipolar Zero-Scale Error (Note 7) l –5 0 5 LSB Bipolar Zero-Scale Error Drift 0.01 LSB/°C FSE Bipolar Full-Scale Error VREFOUT = 4.096V (REFIN Grounded) (Note 7) l –10 ±3 10 LSB Bipolar Full-Scale Error Drift VREFOUT = 4.096V (REFIN 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, VREFOUT = 4.096V, Internal Reference l 75.5 81.7 dB fIN = 500kHz, VREFOUT = 5V, External Reference 82 dB SNR Signal-to-Noise Ratio fIN = 500kHz, VREFOUT = 4.096V, Internal Reference l 76 82 dB fIN = 500kHz, VREFOUT = 5V, External Reference 82.6 dB THD Total Harmonic Distortion fIN = 500kHz, VREFOUT = 4.096V, Internal Reference l –93 –78 dB fIN = 500kHz, VREFOUT = 5V, External Reference –90 dB SFDR Spurious Free Dynamic Range fIN = 500kHz, VREFOUT = 4.096V, Internal Reference l 78 97 dB fIN = 500kHz, VREFOUT = 5V, External Reference 95 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 60 kΩ Mode) IREFOUT REFOUT Input Current (External Reference REFIN = 0V, REFOUT = 4.096V 350 µA Mode) (Notes 9, 10) 231014f For more information www.linear.com/LTC2310-14 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 Related Parts
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 14 Bits No Missing Codes l 14 Bits Transition Noise 0.5 LSBRMS INL Integral Linearity Error (Note 6) l –2.5 ±0.8 2.5 LSB DNL Differential Linearity Error l –0.99 ±0.25 0.99 LSB BZE Bipolar Zero-Scale Error (Note 7) l –5 0 5 LSB Bipolar Zero-Scale Error Drift 0.01 LSB/°C FSE Bipolar Full-Scale Error VREFOUT = 4.096V (REFIN Grounded) (Note 7) l –10 ±3 10 LSB Bipolar Full-Scale Error Drift VREFOUT = 4.096V (REFIN 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, VREFOUT = 4.096V, Internal Reference l 75.5 81.7 dB fIN = 500kHz, VREFOUT = 5V, External Reference 82 dB SNR Signal-to-Noise Ratio fIN = 500kHz, VREFOUT = 4.096V, Internal Reference l 76 82 dB fIN = 500kHz, VREFOUT = 5V, External Reference 82.6 dB THD Total Harmonic Distortion fIN = 500kHz, VREFOUT = 4.096V, Internal Reference l –93 –78 dB fIN = 500kHz, VREFOUT = 5V, External Reference –90 dB SFDR Spurious Free Dynamic Range fIN = 500kHz, VREFOUT = 4.096V, Internal Reference l 78 97 dB fIN = 500kHz, VREFOUT = 5V, External Reference 95 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 60 kΩ Mode) IREFOUT REFOUT Input Current (External Reference REFIN = 0V, REFOUT = 4.096V 350 µA Mode) (Notes 9, 10) 231014f For more information www.linear.com/LTC2310-14 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 Related Parts