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LTC1069-1 数据表(PDF) 3 Page - Linear Technology |
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LTC1069-1 数据表(HTML) 3 Page - Linear Technology |
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3 / 10 page  LTC1069-1 3 10691fa ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. fCUTOFF is the filter’s cutoff frequency and is equal to fCLK/100. The fCLK signal level is TTL or CMOS (clock rise or fall time ≤ 1μs), VS = 3.3V to ±5V, RL = 10k, unless otherwise noted. All AC gains are measured relative to the passband gain. PARAMETER CONDITIONS MIN TYP MAX UNITS Gain at 0.50fCUTOFF VS = ±5V, fCLK = 500kHz fTEST = 2.5kHz, VIN = 1VRMS l –0.10 –0.11 –0.03 0.10 0.11 dB dB VS = 3.3V, fCLK = 200kHz fTEST = 1kHz, VIN = 0.5VRMS l –0.10 –0.11 –0.03 0.10 0.11 dB dB Gain at 0.75fCUTOFF VS = ±5V, fCLK = 500kHz fTEST = 3.75kHz, VIN = 1VRMS l –0.20 –0.25 0.04 0.20 0.25 dB dB VS = 3.3V, fCLK = 200kHz fTEST = 1.5kHz, VIN = 0.5VRMS l –0.20 –0.25 0.04 0.20 0.25 dB dB Gain at 0.90fCUTOFF VS = ±5V, fCLK = 500kHz fTEST = 4.5kHz, VIN = 1VRMS l –0.20 –0.25 –0.01 0.20 0.25 dB dB VS = 3.3V, fCLK = 200kHz fTEST = 1.8kHz, VIN = 0.5VRMS l –0.20 –0.25 –0.01 0.20 0.25 dB dB Gain at 0.95fCUTOFF VS = ±5V, fCLK = 500kHz fTEST = 4.75kHz, VIN = 1VRMS l –0.30 –0.35 –0.05 0.30 0.35 dB dB VS = 3.3V, fCLK = 200kHz fTEST = 1.9kHz, VIN = 0.5VRMS l –0.30 –0.35 –0.04 0.30 0.35 dB dB Gain at fCUTOFF VS = ±5V, fCLK = 500kHz fTEST = 5.0kHz, VIN = 1VRMS l –1.25 –1.35 –0.70 –0.25 –0.15 dB dB VS = 3.3V, fCLK = 200kHz fTEST = 2.0kHz, VIN = 0.5VRMS l –1.25 –1.35 –0.61 –0.25 –0.15 dB dB Gain at 1.25fCUTOFF VS = ±5V, fCLK = 500kHz fTEST = 6.25kHz, VIN = 1VRMS l –30 –31 –27 –25 –24 dB dB VS = 3.3V, fCLK = 200kHz fTEST = 2.5kHz, VIN = 0.5VRMS l –30 –31 –27 –25 –24 dB dB Gain at 1.50fCUTOFF VS = ±5V, fCLK = 500kHz fTEST = 7.5kHz, VIN = 1VRMS l –58 –59 –53 –50 –49 dB dB VS = 3.3V, fCLK = 200kHz fTEST = 3kHz, VIN = 0.5VRMS l –58 –59 –53 –50 –49 dB dB Output DC Offset (Input at AGND) VS = ±5V, fCLK = 500kHz VS = 4.75V, fCLK = 400kHz VS = 3.3V, fCLK = 200kHz 30 20 15 150 100 mV mV mV Output Voltage Swing VS = ±5V VS = 4.75V VS = 3.3V l l l –3.25 –1.50 –0.70 ±4.0 ±1.7 ±0.9 3.25 1.25 0.60 V V V Power Supply Current VS = ±5V, fCLK = 500kHz VS = 4.75V, fCLK = 400kHz VS = 3.3V, fCLK = 200kHz l l l 3.8 2.5 2.0 5.5 4.5 3.5 mA mA mA Maximum Clock Frequency VS = ±5V VS = 4.75V VS = 3.3V 1.2 0.8 0.5 MHz MHz MHz Input Frequency Range 0fCLK/2 MHz Input Resistance 30 43 70 kΩ Operating Power Supply Voltage ±1.57 ±5.5 V |
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