Datasheet LTM2173-14 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 14-Bit, 80Msps Low Power Quad ADC |
| 页数 / 页 | 28 / 4 — DYNAMIC ACCURACY. The. denotes the specifications which apply over the … |
| 修订版 | A |
| 文件格式/大小 | PDF / 414 Kb |
| 文件语言 | 英语 |
DYNAMIC ACCURACY. The. denotes the specifications which apply over the full operating temperature range,
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LTM2173-14
DYNAMIC ACCURACY The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5) LTM2173-14 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input 73 dBFS 70MHz Input l 69.7 72.9 dBFS 140MHz Input 72.5 dBFS SFDR Spurious Free Dynamic Range 5MHz Input 88 dBFS 2nd or 3rd Harmonic 70MHz Input l 74 85 dBFS 140MHz Input 82 dBFS Spurious Free Dynamic Range 5MHz Input 90 dBFS 4th Harmonic or Higher 70MHz Input l 82 90 dBFS 140MHz Input 90 dBFS S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 72.9 dBFS 70MHz Input l 69.6 72.6 dBFS 140MHz Input 72 dBFS Crosstalk, Near Channel 10MHz Input (Note 12) –90 dBc Crosstalk, Far Channel 10MHz Input (Note 12) –105 dBc
INTERNAL REFERENCE CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 0.5 • VDD – 25mV 0.5 • VDD 0.5 • VDD + 25mV V VCM Output Temperature Drift ±25 ppm/°C VCM Output Resistance –600µA < IOUT < 1mA 4 Ω VREF Output Voltage IOUT = 0 1.225 1.250 1.275 V VREF Output Temperature Drift ±25 ppm/°C VREF Output Resistance –400µA < IOUT < 1mA 7 Ω VREF Line Regulation 1.7V < VDD < 1.9V 0.6 mV/V Rev. A 4 For more information www.analog.com Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Outputs Power Requirements Timing Characteristics Timing Diagrams Pin Functions Pin Configuration Table Functional Block Diagram Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Outputs Power Requirements Timing Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Pin Configuration Table Functional Block Diagram Applications Information Converter Operation Analog Input Input Drive Circuits Digital Outputs Data Format Device Programming Modes Grounding and Bypassing Heat Transfer Package Description Revision History Typical Application Related Parts
DYNAMIC ACCURACY The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5) LTM2173-14 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input 73 dBFS 70MHz Input l 69.7 72.9 dBFS 140MHz Input 72.5 dBFS SFDR Spurious Free Dynamic Range 5MHz Input 88 dBFS 2nd or 3rd Harmonic 70MHz Input l 74 85 dBFS 140MHz Input 82 dBFS Spurious Free Dynamic Range 5MHz Input 90 dBFS 4th Harmonic or Higher 70MHz Input l 82 90 dBFS 140MHz Input 90 dBFS S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 72.9 dBFS 70MHz Input l 69.6 72.6 dBFS 140MHz Input 72 dBFS Crosstalk, Near Channel 10MHz Input (Note 12) –90 dBc Crosstalk, Far Channel 10MHz Input (Note 12) –105 dBc
INTERNAL REFERENCE CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 0.5 • VDD – 25mV 0.5 • VDD 0.5 • VDD + 25mV V VCM Output Temperature Drift ±25 ppm/°C VCM Output Resistance –600µA < IOUT < 1mA 4 Ω VREF Output Voltage IOUT = 0 1.225 1.250 1.275 V VREF Output Temperature Drift ±25 ppm/°C VREF Output Resistance –400µA < IOUT < 1mA 7 Ω VREF Line Regulation 1.7V < VDD < 1.9V 0.6 mV/V Rev. A 4 For more information www.analog.com Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Outputs Power Requirements Timing Characteristics Timing Diagrams Pin Functions Pin Configuration Table Functional Block Diagram Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Outputs Power Requirements Timing Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Pin Configuration Table Functional Block Diagram Applications Information Converter Operation Analog Input Input Drive Circuits Digital Outputs Data Format Device Programming Modes Grounding and Bypassing Heat Transfer Package Description Revision History Typical Application Related Parts