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LTC6915IGN 数据表(PDF) 4 Page - Linear Technology |
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LTC6915IGN 数据表(HTML) 4 Page - Linear Technology |
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4 / 16 page  LTC6915 4 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+ = 5V, V– = 0V, VREF = 200mV Supply Current, Parallel Mode No Load at OUT, VCM = 200mV q 0.95 1.48 mA Supply Current, Serial Mode (Note 6) No Load at OUT, Capacitive Load at q 1.4 2 mA DOUT (CL) = 15pF, Continuous CLK Frequency = 4MHz, CS = LOW, Gain Control Code = 0001 Supply Current, Shutdown VSHDN = 4.5V (Hardware Shutdown) q 210 µA VSHDN = 1V, Gain Control Code = 0000 q 135 200 µA (Software Shutdown) SHDN Input High q 4.5 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 3 kHz V+ = 5V, V– = –5V, VREF = 0V 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 = 0mV 5 ±20 nV Average Input Offset Drift (Note 3) TA = –40°C to 85°C q ±50 nV/ °C TA = 85°C to 125°C q ±100 nV/ °C IOS Average Input Bias Current (Note 4) VCM = 1V q 410 nA Average Input Offset Current (Note 4) VCM = 1V q 1.5 3 nA CMRR Common Mode Rejection Ratio AV = 1024, VCM = –5V to 5V, LTC6915C q 105 123 dB AV = 1024, VCM = –4.9V to 4.9V, LTC6915I q 105 123 dB AV = 1024, VCM = –5V to 5V, LTC6915I q 100 123 dB AV = 1024, VCM = –4.9V to 4.9V, LTC6915H q 100 dB AV = 1024, VCM = –5V to 4.97V, LTC6915H q 90 dB PSRR Power Supply Rejection Ratio (Note 5) VS = 2.7V to 11V q 110 116 dB Output Voltage Swing High Sourcing 200 µA q 4.97 4.99 V Sourcing 2mA q 4.90 4.96 V Output Voltage Swing Low Sinking 200 µA q –4.98 –4.92 mV Sinking 2mA q –4.90 –4.70 mV Supply Current, Parallel Mode No Load, VCM = 200mV q 1.1 1.6 mA Supply Current, Serial Mode (Note 6) No Load at OUT, Capacitive Load at q 1.73 2.48 mA DOUT (CL) = 15pF, Continuous CLK Frequency = 4MHz, CS = LOW, Gain Control Code = 0001 Supply Current, Shutdown VSHDN = 4V (Hardware Shutdown) q 25 µA VSHDN = 1V, Gain Control Code = 0000 q 160 240 µA (Software Shutdown ) SHDN Input High q 4V SHDN Input Low q 1V |
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