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LTC6915IGN 数据表(PDF) 3 Page - Linear Technology |
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LTC6915IGN 数据表(HTML) 3 Page - Linear Technology |
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3 / 16 page  LTC6915 3 6915f The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS V+ = 3V, V– = 0V, VREF = 200 mV CMRR Common Mode Rejection Ratio AV = 1024, VCM = 0V to 3V, LTC6915C q 100 119 dB AV = 1024, VCM = 0.1V to 2.9V, LTC6915I q 100 119 dB AV = 1024, VCM = 0V to 3V, LTC6915I q 95 119 dB AV = 1024, VCM = 0.1V to 2.9V, LTC6915H q 100 dB AV = 1024, VCM = 0V to 2.97V, LTC6915H q 85 dB PSRR Power Supply Rejection Ratio (Note 5) VS = 2.7V to 6V q 110 116 dB Output Voltage Swing High Sourcing 200 µA q 2.95 2.98 V (Referenced to V–) Sourcing 2mA q 2.75 2.87 V Output Voltage Swing Low Sinking 200 µA q 18 50 mV (Referenced to V–) Sinking 2mA q 130 300 mV Supply Current, Parallel Mode No Load at OUT, VCM = 200mV q 0.88 1.3 mA Supply Current, Serial Mode (Note 6) No Load at OUT, Capacitive Load at q 1.1 1.65 mA DOUT (CL) = 15pF, Continuous CLK Frequency = 4MHz, CS= LOW, Gain Control Code = 0001 Supply Current Shutdown VSHDN = 2.7V (Hardware Shutdown) q 14 µA VSHDN = 1V, Gain Control Code = 0000 q 125 180 µA (Software Shutdown ) SHDN Input High q 2.7 V SHDN Input Low q 1V SHDN and HOLD_THRU Input Current (Note 2) q 5 µA Internal Op Amp Gain Bandwidth 200 kHz Slew Rate 0.2 V/ µs Internal Sampling Frequency –0.5 3 kHz V+ = 5V, V– = 0V, VREF = 200mV Gain Error (Note 2) AV = 1 (RL = 10k) q –0.075 0 0.075 % Gain Error (Note 2) AV = 2 to 32 (RL= 10k) q –0.5 0 0.5 % Gain Error (Note 2) AV = 64 to 1024 (RL = 10k) q –0.6 –0.1 0.6 % Gain Error (Note 2) AV = 2048, 4096 (RL = 10k) q –1 –0.2 1 % Gain Nonlinearity AV = 1 q 3 15 ppm VOS Input Offset Voltage (Note 3) VCM = 200mV –3 ±10 µV Average Input Offset Drift (Note 3) TA = –40°C to 85°C q ±50 nV/ °C TA = 85°C to 125°C ±100 nV/ °C Average Input Bias Current (Note 4) VCM = 1.2V q 510 nA IOS Average Input Offset Current (Note 4) VCM = 1.2V q 1.5 3 nA CMRR Common Mode Rejection Ratio AV = 1024, VCM = 0V to 5V, LTC6915C q 105 125 dB AV = 1024, VCM = 0.1V to 4.9V, LTC6915I q 105 125 dB AV = 1024, VCM = 0V to 5V, LTC6915I q 95 125 dB AV = 1024, VCM = 0.1V to 4.9V, LTC6915H q 100 dB AV = 1024, VCM = 0V to 4.97V, LTC6915H q 85 dB PSRR Power Supply Rejection Ratio (Note 5) VS = 2.7V to 6V q 110 116 dB Output Voltage Swing High Sourcing 200 µA q 4.95 4.99 V Sourcing 2mA q 4.80 4.93 V Output Voltage Swing Low Sinking 200 µA q 17 50 mV Sinking 2mA q 120 300 mV |
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