Datasheet LTC2242-10 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 10-Bit, 250Msps ADC |
| Pages / Page | 30 / 3 — converTer characTerisTics The. denotes the specifications which apply … |
| File Format / Size | PDF / 602 Kb |
| Document Language | English |
converTer characTerisTics The. denotes the specifications which apply over the full operating
Model Line for this Datasheet
Text Version of Document
LTC2242-10
converTer characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Offset Drift ±10 µV/C Full-Scale Drift Internal Reference ±60 ppm/C External Reference ±45 ppm/C Transition Noise SENSE = 1V 0.18 LSBRMS
analog inpuT The
●
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
V + – IN Analog Input Range (AIN – AIN ) 2.375V < VDD < 2.625V (Note 7) ● ±0.5 to ±1 V V + – IN, CM Analog Input Common Mode (AIN + AIN )/2 Differential Input (Note 7) ● 1.2 1.25 1.3 V I + – IN Analog Input Leakage Current 0 < AIN , AIN < VDD ● –1 1 µA ISENSE SENSE Input Leakage 0V < SENSE < 1V ● –1 1 µA IMODE MODE Pin Pull-Down Current to GND 7 µA ILVDS LVDS Pin Pull-Down Current to GND 7 µA tAP Sample and Hold Acquisition Delay Time 0.4 ns tJITTER Sample and Hold Acquisition Delay Time Jitter 95 fsRMS Full Power Bandwidth Figure 8 Test Circuit 1200 MHz
DynaMic accuracy The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio (Note 10) 10MHz Input 60.6 dB 70MHz Input l 59.2 60.5 dB 140MHz Input 60.5 dB 240MHz Input 60.4 dB SFDR Spurious Free Dynamic Range 10MHz Input 78 dB 2nd or 3rd Harmonic (Note 11) 70MHz Input l 63 75 dB 140MHz Input 74 dB 240MHz Input 73 dB Spurious Free Dynamic Range 10MHz Input 85 dB 4th Harmonic or Higher (Note 11) 70MHz Input l 71 85 dB 140MHz Input 85 dB 240MHz Input 85 dB S/(N+D) Signal-to-Noise Plus 10MHz Input 60.4 dB Distortion Ratio (Note 12) 70MHz Input l 58.2 60.4 dB 140MHz Input 60.3 dB 240MHz Input 60.2 dB IMD Intermodulation Distortion fIN1 = 135MHz, fIN2 = 140MHz 81 dBc 224210fd 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagrams Applications Information 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. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Offset Drift ±10 µV/C Full-Scale Drift Internal Reference ±60 ppm/C External Reference ±45 ppm/C Transition Noise SENSE = 1V 0.18 LSBRMS
analog inpuT The
●
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
V + – IN Analog Input Range (AIN – AIN ) 2.375V < VDD < 2.625V (Note 7) ● ±0.5 to ±1 V V + – IN, CM Analog Input Common Mode (AIN + AIN )/2 Differential Input (Note 7) ● 1.2 1.25 1.3 V I + – IN Analog Input Leakage Current 0 < AIN , AIN < VDD ● –1 1 µA ISENSE SENSE Input Leakage 0V < SENSE < 1V ● –1 1 µA IMODE MODE Pin Pull-Down Current to GND 7 µA ILVDS LVDS Pin Pull-Down Current to GND 7 µA tAP Sample and Hold Acquisition Delay Time 0.4 ns tJITTER Sample and Hold Acquisition Delay Time Jitter 95 fsRMS Full Power Bandwidth Figure 8 Test Circuit 1200 MHz
DynaMic accuracy The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio (Note 10) 10MHz Input 60.6 dB 70MHz Input l 59.2 60.5 dB 140MHz Input 60.5 dB 240MHz Input 60.4 dB SFDR Spurious Free Dynamic Range 10MHz Input 78 dB 2nd or 3rd Harmonic (Note 11) 70MHz Input l 63 75 dB 140MHz Input 74 dB 240MHz Input 73 dB Spurious Free Dynamic Range 10MHz Input 85 dB 4th Harmonic or Higher (Note 11) 70MHz Input l 71 85 dB 140MHz Input 85 dB 240MHz Input 85 dB S/(N+D) Signal-to-Noise Plus 10MHz Input 60.4 dB Distortion Ratio (Note 12) 70MHz Input l 58.2 60.4 dB 140MHz Input 60.3 dB 240MHz Input 60.2 dB IMD Intermodulation Distortion fIN1 = 135MHz, fIN2 = 140MHz 81 dBc 224210fd 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagrams Applications Information Package Description Revision History Related Parts
