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LTM9012 データシート(PDF) 3 Page - Linear Technology |
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LTM9012 データシート(HTML) 3 Page - Linear Technology |
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3 / 28 page  LTM9012 3 9012f converTer characTerisTics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 6) PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) l 14 Bits Integral Linearity Error Differential Analog Input (Note 7) l –5 ±1.2 5 LSB Differential Linearity Error Differential Analog Input l –0.9 ±0.3 0.9 LSB Offset Error (Note 8) l –37 ±3 37 mV Gain Error Internal Reference External Reference l –3.6 –1.3 –1.3 3.0 %FS %FS Offset Drift ±20 µV/°C Full-Scale Drift Internal Reference External Reference ±35 ±25 ppm/°C ppm/°C Gain Matching External Reference ±0.2 %FS Offset Matching ±3 mV Transition Noise External Reference 1.2 LSBRMS analog inpuT The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 6) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Differential Analog Input Range (CH+ – CH–) at –1dBFS LTM9012-AB l 0.2 VP-P VIN(CM) Analog Input Common Mode (CH+ + CH–)/2 Differential Analog Input (Note 9) 0 to 1.5 V VSENSE External Voltage Reference Applied to SENSE External Reference Mode l 0.625 1.250 1.300 V RIN Differential Input Resistance LTM9012-AB 100 Ω IIN(P/S) Input Leakage Current 0 < PAR/SER < VDD l –3 3 µA IIN(SENSE) Input Leakage Current 0.625V < SENSE < 1.3V l –6 6 µA tAP Sample-and-Hold Acquisition Delay Time 0 ns tJITTER Sample-and-Hold Acquisition Delay Jitter 0.15 psRMS CMRR Analog Input Common Mode Rejection Ratio 90 dB BW-3dB 3dB Corner of Internal Lowpass Filter 90 MHz DynaMic accuracy The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 6) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS SNR Signal-to-Noise Ratio 70MHz Input l 66.5 68.3 dBFS SFDR Spurious Free Dynamic Range 2nd or 3rd Harmonic 70MHz Input l 66.9 78 dBFS Spurious Free Dynamic Range 4th Harmonic or Higher 70MHz Input l 76.9 86 dBFS S/N+D Signal-to-Noise Plus Distortion Ratio 70MHz Input l 64.7 66.7 dBFS Crosstalk, Near Channel 10MHz (Note 12) 70 dBc Crosstalk, Far Channel 10MHz (Note 12) 90 dBc |
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