Datasheet LTC2323-14 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | Dual, 14-Bit + Sign, 5Msps Differential Input ADC with Wide Input Common Mode Range |
| 页数 / 页 | 26 / 3 — CONVERTER CHARACTERISTICS. The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 1.2 Mb |
| 文件语言 | 英语 |
CONVERTER CHARACTERISTICS. The. denotes the specifications which apply over the full operating
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LTC2323-14
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 0.4 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 –5 0 5 LSB Bipolar Zero-Scale Error Drift 0.006 LSB/°C FSE Bipolar Full-Scale Error VREFOUT1,2 = 4.096V (REFINT Grounded) (Note 7) l 50 ±3 50 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 = 2.2MHz, VREFOUT1,2 = 4.096V, Internal Reference l 72.8 79 dB fIN = 2.2MHz, VREFOUT1,2 = 5V, External Reference 79 dB SNR Signal-to-Noise Ratio fIN = 2.2MHz, VREFOUT1,2 = 4.096V, Internal Reference l 73 80 dB fIN = 2.2MHz, VREFOUT1,2 = 5V, External Reference 80.5 dB THD Total Harmonic Distortion fIN = 2.2MHz, VREFOUT1,2 = 4.096V, Internal Reference l –85 –80 dB fIN = 2.2MHz, VREFOUT1,2 = 5V, External Reference –86 dB SFDR Spurious Free Dynamic Range fIN = 2.2MHz, VREFOUT1,2 = 4.096V, Internal Reference l 80 88 dB fIN = 2.2MHz, 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 V 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 232314fb For more information http://www.linear.com/LTC2323-14 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 Revision History Typical Application 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 0.4 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 –5 0 5 LSB Bipolar Zero-Scale Error Drift 0.006 LSB/°C FSE Bipolar Full-Scale Error VREFOUT1,2 = 4.096V (REFINT Grounded) (Note 7) l 50 ±3 50 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 = 2.2MHz, VREFOUT1,2 = 4.096V, Internal Reference l 72.8 79 dB fIN = 2.2MHz, VREFOUT1,2 = 5V, External Reference 79 dB SNR Signal-to-Noise Ratio fIN = 2.2MHz, VREFOUT1,2 = 4.096V, Internal Reference l 73 80 dB fIN = 2.2MHz, VREFOUT1,2 = 5V, External Reference 80.5 dB THD Total Harmonic Distortion fIN = 2.2MHz, VREFOUT1,2 = 4.096V, Internal Reference l –85 –80 dB fIN = 2.2MHz, VREFOUT1,2 = 5V, External Reference –86 dB SFDR Spurious Free Dynamic Range fIN = 2.2MHz, VREFOUT1,2 = 4.096V, Internal Reference l 80 88 dB fIN = 2.2MHz, 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 V 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 232314fb For more information http://www.linear.com/LTC2323-14 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 Revision History Typical Application Related Parts