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LTC1065CS 数据表(PDF) 3 Page - Linear Technology |
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LTC1065CS 数据表(HTML) 3 Page - Linear Technology |
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3 / 12 page ![]() 3 LTC1065 ELECTRICAL C C HARA TERISTICS VS = ±5V, fCLK = 500kHz, fC = 5kHz, RL = 10k, TA = 25°C, unless otherwise specified. PARAMETER CONDITIONS MIN TYP MAX UNITS Filter Gain VS = ±2.375V, fCLK = 500kHz, fC = 5kHz fIN = 1kHz q – 0.225 – 0.185 – 0.145 dB fIN = 2.5kHz q – 1.1 – 1.0 – 0.83 dB fIN = 4kHz q – 2.35 – 2.15 – 1.9 dB fIN = 5kHz q – 3.35 – 3.1 – 2.83 dB fIN = 10kHz q – 14.63 –14.1 –13.7 dB Clock Feedthrough ±2.375V ≤ VS ≤ ±7.5V 50 µVRMS Wideband Noise (Note 3) ±2.375V ≤ VS ≤ ±7.5V, 1Hz < f < fCLK 80 µVRMS THD + Wideband Noise (Note 4) VS = ±7.5V, fC = 20kHz, fIN = 1kHz, – 87 dB 2VRMS ≤ VIN ≤ 2.5VRMS Filter Output ± DC Swing VS = ±2.375V 1.5/– 2.0 1.7/– 2.2 V q 1.3/– 1.8 V VS = ±5V 4.0/– 4.5 4.3/– 4.8 V q 3.8/– 4.3 V VS = ±7.5V 6.5/– 7.0 6.8/– 7.3 V q 6.3/– 6.8 V Input Bias Current 10 nA Dynamic Input Impedance 800 M Ω Output DC Offset (Note 5) VS = ±2.375V 2 mV VS = ±5V 0 ±5mV VS = ±7.5V – 4 mV Output DC Offset Drift VS = ±2.375V 10 µV/°C VS = ±5V 20 µV/°C VS = ±7.5V 25 µV/°C Self-Clocking Frequency (fOSC) R (Pin 4 to 5) = 20k, C (Pin 5 to GND) = 470pF VS = ±2.375V 99 103 112 kHz LTC1065C q 95 103 112 kHz LTC1065M q 92 100 112 kHz VS = ±5V 100 106 112 kHz LTC1065C q 98 106 114 kHz LTC1065M q 97 105 114 khz VS = ±7.5V 102 106 114 kHz LTC1065C q 101 109 116 kHz LTC1065M q 100 108 116 kHz External CLK Pin Logic Thresholds VS = ±2.375V Min Logical “1” 1.43 V Max Logical “0” 0.47 V VS = ±5V Min Logical “1” 3 V Max Logical “0” 1 V VS = ±7.5V Min Logical “1” 4.5 V Max Logical “0” 1.5 V Power Supply Current VS = ±2.375V, fCLK = 500kHz 2.5 4.0 mA LTC1065C q 5.5 mA LTC1065M q 6.0 mA VS = ±5V, fCLK = 500kHz 5.5 9 mA LTC1065C q 11 mA LTC1065M q 12 mA VS = ±7.5V, fCLK = 500kHz 7.0 12.0 mA LTC1065C q 14.5 mA LTC1065M q 16.0 mA |
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