Datasheet LTC2222, LTC2223 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 12-Bit, 80Msps ADCs |
| 页数 / 页 | 28 / 4 — DYNAMIC ACCURACY. The. denotes the specifi cations which apply over the … |
| 文件格式/大小 | PDF / 946 Kb |
| 文件语言 | 英语 |
DYNAMIC ACCURACY. The. denotes the specifi cations which apply over the full operating temperature range,
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LTC2222/LTC2223
DYNAMIC ACCURACY The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. AIN = –1dBFS. (Note 4) LTC2222 LTC2223 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 30MHz Input (1V Range) 63.5 63.6 dB 30MHz Input (2V Range) l 67 68.4 67.5 68.5 dB 70MHz Input (1V Range) 63.4 63.5 dB 70MHz Input (2V Range) 68.3 68.4 dB 140MHz Input (1V Range) 63.2 63.5 dB 140MHz Input (2V Range) 67.9 68.0 dB 250MHz Input (1V Range) 62.7 63.0 dB 250MHz Input (2V Range) 67.0 67.3 dB SFDR Spurious Free Dynamic Range 30MHz Input (1V Range) 84 84 dB 30MHz Input (2V Range) l 72 84 73 84 dB 70MHz Input (1V Range) 84 84 dB 70MHz Input (2V Range) 84 84 dB 140MHz Input (1V Range) 81 84 dB 140MHz Input (2V Range) 81 81 dB 250MHz Input (1V Range) 77 80 dB 250MHz Input (2V Range) 77 75 dB SFDR Spurious Free Dynamic Range 30MHz Input (1V Range) 90 90 dB 4th Harmonic or Higher 30MHz Input (2V Range) 90 90 dB 70MHz Input (1V Range) 90 90 dB 70MHz Input (2V Range) 90 90 dB 140MHz Input (1V Range) 90 90 dB 140MHz Input (2V Range) 90 90 dB 250MHz Input (1V Range) 90 90 dB 250MHz Input (2V Range) 90 90 dB S/(N+D) Signal-to-Noise 30MHz Input (1V Range) 63.5 63.6 dB Plus Distortion Ratio 30MHz Input (2V Range) l 66.5 68.4 67 68.5 dB 70MHz Input (1V Range) 63.5 63.6 dB 70MHz Input (2V Range) 68.2 68.3 dB IMD Intermodulation Distortion fIN1 = 138MHz, fIN2 = 140MHz 81 81 dBc
INTERNAL REFERENCE CHARACTERISTICS (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 1.575 1.600 1.625 V VCM Output Tempco ±25 ppm/°C VCM Line Regulation 3.1V < VDD < 3.5V 3 mV/V VCM Output Resistance –1mA < IOUT < 1mA 4 Ω 22223fb 4
DYNAMIC ACCURACY The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. AIN = –1dBFS. (Note 4) LTC2222 LTC2223 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 30MHz Input (1V Range) 63.5 63.6 dB 30MHz Input (2V Range) l 67 68.4 67.5 68.5 dB 70MHz Input (1V Range) 63.4 63.5 dB 70MHz Input (2V Range) 68.3 68.4 dB 140MHz Input (1V Range) 63.2 63.5 dB 140MHz Input (2V Range) 67.9 68.0 dB 250MHz Input (1V Range) 62.7 63.0 dB 250MHz Input (2V Range) 67.0 67.3 dB SFDR Spurious Free Dynamic Range 30MHz Input (1V Range) 84 84 dB 30MHz Input (2V Range) l 72 84 73 84 dB 70MHz Input (1V Range) 84 84 dB 70MHz Input (2V Range) 84 84 dB 140MHz Input (1V Range) 81 84 dB 140MHz Input (2V Range) 81 81 dB 250MHz Input (1V Range) 77 80 dB 250MHz Input (2V Range) 77 75 dB SFDR Spurious Free Dynamic Range 30MHz Input (1V Range) 90 90 dB 4th Harmonic or Higher 30MHz Input (2V Range) 90 90 dB 70MHz Input (1V Range) 90 90 dB 70MHz Input (2V Range) 90 90 dB 140MHz Input (1V Range) 90 90 dB 140MHz Input (2V Range) 90 90 dB 250MHz Input (1V Range) 90 90 dB 250MHz Input (2V Range) 90 90 dB S/(N+D) Signal-to-Noise 30MHz Input (1V Range) 63.5 63.6 dB Plus Distortion Ratio 30MHz Input (2V Range) l 66.5 68.4 67 68.5 dB 70MHz Input (1V Range) 63.5 63.6 dB 70MHz Input (2V Range) 68.2 68.3 dB IMD Intermodulation Distortion fIN1 = 138MHz, fIN2 = 140MHz 81 81 dBc
INTERNAL REFERENCE CHARACTERISTICS (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 1.575 1.600 1.625 V VCM Output Tempco ±25 ppm/°C VCM Line Regulation 3.1V < VDD < 3.5V 3 mV/V VCM Output Resistance –1mA < IOUT < 1mA 4 Ω 22223fb 4