Datasheet LTC2321-14 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Dual, 14-Bit + Sign, 2Msps Differential Input ADC with Wide Input Common Mode Range |
| Pages / Page | 28 / 3 — converTer characTerisTics. The. denotes the specifications which apply … |
| File Format / Size | PDF / 2.6 Mb |
| Document Language | English |
converTer characTerisTics. The. denotes the specifications which apply over the full operating
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Text Version of Document
LTC2321-14
converTer characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C (Notes 4, 16). 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 –4 ±1 4 LSB DNL Differential Linearity Error l –0.99 ±0.4 0.99 LSB BZE Bipolar Zero-Scale Error (Note 7) l –4 0 4 LSB Bipolar Zero-Scale Error Drift 0.006 LSB/°C FSE Bipolar Full-Scale Error VREFOUT1,2 = 4.096V (REFINT Grounded) (Note 7) l –25 ±3 25 LSB Bipolar Full-Scale Error Drift VREFOUT1,2 = 4.096V (REFINT 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 = 4.096V, Internal Reference l 72.5 80 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference 80 dB SNR Signal-to-Noise Ratio fIN = 500kHz, VREFOUT1,2 = 4.096V, Internal Reference l 73 80 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference 80.7 dB THD Total Harmonic Distortion fIN = 500kHz, VREFOUT1,2 = 4.096V, Internal Reference l –90 –80 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference –84 dB SFDR Spurious Free Dynamic Range fIN = 500kHz, VREFOUT1,2 = 4.096V, Internal Reference l 80 88 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference 88 dB –3dB Input Linear Bandwidth 10 MHz Aperture Delay 500 ps Aperture Delay Matching 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
VREFOUT1,2 Internal Reference Output Voltage 4.75V < VDD < 5.25V l 4.088 4.096 4.106 V 3.13V < VDD < 3.47V l 2.044 2.048 2.053 VREFOUT1,2 Temperature Coefficient (Note 14) l 3 20 ppm/°C REFOUT1,2 Output Impedance 0.25 Ω VREFOUT1,2 Line Regulation VDD = 4.75V to 5.25V 0.3 mV/V 232114fc For more information www.linear.com/LTC2321-14 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration 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 Typical Application Package Description Revision History Related Parts
converTer characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C (Notes 4, 16). 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 –4 ±1 4 LSB DNL Differential Linearity Error l –0.99 ±0.4 0.99 LSB BZE Bipolar Zero-Scale Error (Note 7) l –4 0 4 LSB Bipolar Zero-Scale Error Drift 0.006 LSB/°C FSE Bipolar Full-Scale Error VREFOUT1,2 = 4.096V (REFINT Grounded) (Note 7) l –25 ±3 25 LSB Bipolar Full-Scale Error Drift VREFOUT1,2 = 4.096V (REFINT 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 = 4.096V, Internal Reference l 72.5 80 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference 80 dB SNR Signal-to-Noise Ratio fIN = 500kHz, VREFOUT1,2 = 4.096V, Internal Reference l 73 80 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference 80.7 dB THD Total Harmonic Distortion fIN = 500kHz, VREFOUT1,2 = 4.096V, Internal Reference l –90 –80 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference –84 dB SFDR Spurious Free Dynamic Range fIN = 500kHz, VREFOUT1,2 = 4.096V, Internal Reference l 80 88 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference 88 dB –3dB Input Linear Bandwidth 10 MHz Aperture Delay 500 ps Aperture Delay Matching 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
VREFOUT1,2 Internal Reference Output Voltage 4.75V < VDD < 5.25V l 4.088 4.096 4.106 V 3.13V < VDD < 3.47V l 2.044 2.048 2.053 VREFOUT1,2 Temperature Coefficient (Note 14) l 3 20 ppm/°C REFOUT1,2 Output Impedance 0.25 Ω VREFOUT1,2 Line Regulation VDD = 4.75V to 5.25V 0.3 mV/V 232114fc For more information www.linear.com/LTC2321-14 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration 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 Typical Application Package Description Revision History Related Parts
