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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 / 20 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 1.1MHz Input Signal in Bipolar Mode –93 dB Dynamic Range 1.1MHz Input Signal in 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 = 2828P-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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