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LTC1402IGN 数据表(PDF) 3 Page - Linear Technology |
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LTC1402IGN 数据表(HTML) 3 Page - Linear Technology |
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3 / 24 page  3 LTC1402 The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. Bipolar mode with ± 5V supplies and unipolar mode with 5V supply. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS S/(N + D) Signal-to-Noise Plus 100kHz Input Signal 72.5 dB Distortion Ratio 1.1MHz Input Signal q 69 72.0 dB THD Total Harmonic 100kHz First 5 Harmonics, Bipolar Mode –89 dB Distortion 1.1MHz First 5 Harmonics, Bipolar Mode q –89 –74.5 dB 100kHz First 5 Harmonics, Unipolar Mode –87 dB 1.1MHz First 5 Harmonics, Unipolar Mode –82 dB SFDR Spurious Free 100kHz Input Signal, Bipolar Mode –93 dB Dynamic Range 1.1MHz Input Signal, Bipolar Mode –93 dB 100kHz Input Signal, Unipolar Mode –93 dB 1.1MHz Input Signal, Unipolar Mode –84 dB IMD Intermodulation ±1V 1.25MHz into AIN+, 1.2MHz into AIN– Bipolar Mode –84 dB Distortion 1.5V to 3.5V 1.25MHz into AIN+, 1.2MHz into AIN– Unipolar Mode –84 dB Code-to-Code VREF = 4.096V, 1LSB = 1mV 0.18 LSBRMS Transition Noise Full Power Bandwidth VIN = 4VP-P, DOUT = 2828LSBP-P (Note 18) 82 MHz Full Linear Bandwidth S/(N + D) ≥ 68dB Bipolar Mode 5.0 MHz Unipolar Mode 3.5 MHz DYNAMIC ACCURACY The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) INTERNAL REFERENCE CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS VREF Output Voltage IOUT = 0 4.096 V VREF Output Tempco 15 ppm/ °C VREF Line Regulation AVDD = 4.75V to 5.25V, VREF = 4.096V 1 LSB/V VREF Output Resistance Load Current = 0.5mA 2 Ω VREF Settling Time 2ms The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIH High Level Input Voltage VDD = 5.25V q 2.4 V VIL Low Level Input Voltage VDD = 4.75V q 0.8 V IIN Digital Input Current VIN = 0V to VDD q ±10 µA CIN Digital Input Capacitance 5pF VOH High Level Output Voltage OVDD = 4.75V, IOUT = – 10µA 4.7 V OVDD = 4.75V, IOUT = – 200µA q 4V OVDD = 3V, IOUT = – 200µA q 2.5 2.9 V VOL Low Level Output Voltage VDD = 4.75V, IOUT = 160µA 0.05 V VDD = 4.75V, IOUT = 1.6mA q 0.10 0.4 V IOZ Hi-Z Output Leakage DOUT VOUT = 0V to VDD q ±10 µA COZ Hi-Z Output Capacitance DOUT 15 pF ISOURCE Output Short-Circuit Source Current VOUT = 0V, OVDD = 5V – 40 mA VOUT = 0V, OVDD = 3V – 15 mA ISINK Output Short-Circuit Sink Current VOUT = OVDD = 5V 40 mA DIGITAL I PUTS A D DIGITAL OUTPUTS |
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