Datasheet LTC2321-12 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | Dual, 12-Bit + Sign, 2Msps Differential Input ADC with Wide Input Common Mode Range |
| Seiten / Seite | 26 / 3 — CONVERTER. CHARACTERISTICS The. denotes the specifications which apply … |
| Dateiformat / Größe | PDF / 1.1 Mb |
| Dokumentensprache | Englisch |
CONVERTER. CHARACTERISTICS The. denotes the specifications which apply over the full operating
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LTC2321-12
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 12 Bits No Missing Codes l 12 Bits Transition Noise 0.4 LSBRMS INL Integral Linearity Error (Note 6) l –1 ±0.5 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 0.0015 LSB/°C FSE Bipolar Full-Scale Error VREFOUT1,2 = 4.096V (REFINT Grounded) (Note 7) l –23 ±2 23 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 69.5 72.8 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference 73 dB SNR Signal-to-Noise Ratio fIN = 500kHz, VREFOUT1,2 = 4.096V, Internal Reference l 70 73 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference 73.5 dB THD Total Harmonic Distortion fIN = 500kHz, VREFOUT1,2 = 4.096V, Internal Reference l –85 –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 78 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 232112fb For more information www.linear.com/LTC2321-12 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics 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 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 (Notes 4, 16). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution l 12 Bits No Missing Codes l 12 Bits Transition Noise 0.4 LSBRMS INL Integral Linearity Error (Note 6) l –1 ±0.5 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 0.0015 LSB/°C FSE Bipolar Full-Scale Error VREFOUT1,2 = 4.096V (REFINT Grounded) (Note 7) l –23 ±2 23 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 69.5 72.8 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference 73 dB SNR Signal-to-Noise Ratio fIN = 500kHz, VREFOUT1,2 = 4.096V, Internal Reference l 70 73 dB fIN = 500kHz, VREFOUT1,2 = 5V, External Reference 73.5 dB THD Total Harmonic Distortion fIN = 500kHz, VREFOUT1,2 = 4.096V, Internal Reference l –85 –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 78 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 232112fb For more information www.linear.com/LTC2321-12 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics 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 Package Description Related Parts