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LTC1857 Datasheet(PDF) 12 Page - Linear Technology |
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LTC1857 Datasheet(HTML) 12 Page - Linear Technology |
12 / 40 page LTC2358-16 12 Rev A For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Sampling Rate Power Dissipation vs Sampling Rate, N-Channels Enabled Step Response (Large-Signal Settling) Supply Current vs Temperature Power-Down Current vs Temperature IOVDD IVDD IVEE IVCC TEMPERATURE (°C) –55 –35 –15 5 25 45 65 85 105 125 –6 –4 –2 0 2 4 6 8 10 12 14 16 18 235816 G28 IOVDD IVDD –IVEE IVCC TEMPERATURE (°C) –55 –35 –15 5 25 45 65 85 105 125 0.01 0.1 1 10 100 1000 235816 G29 Offset Error vs Input Common Mode Internal Reference Output vs Temperature 15 UNITS TEMPERATURE (°C) –55 –35 –15 5 25 45 65 85 105 125 2.045 2.046 2.047 2.048 2.049 2.050 2.051 235816 G32 IOVDD IVDD IVEE IVCC WITH NAP MODE tCNVL = 1µs SAMPLING FREQUENCY (kHz) 0 40 80 120 160 200 –6 –4 –2 0 2 4 6 8 10 12 14 16 235816 G33 TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF = 4.096V), fSMPL = 200ksps, unless otherwise noted. PSRR vs Frequency VCC OVDD VEE VDD IN+ = IN– = 0V FREQUENCY (Hz) 10 100 1k 10k 100k 50 60 70 80 90 100 110 120 130 140 150 235816 G30 Step Response (Fine Settling) VCC = 38V, VEE = 0V VCM = 4V to 34V ±10.24V RANGE VCC = 21.5V, VEE = –16.5V VCM = –12.5V to 17.5V INPUT COMMON MODE (V) –17 0 17 34 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 235816 G31 ±10.24V RANGE IN+ = 199.99987kHz SQUARE WAVE IN– = 0V SETTLING TIME (ns) –100 0 100 200 300 400 500 600 700 800 900 –32768 –24576 –16384 –8192 0 8192 16384 24576 32768 235816 G35 ±10.24V RANGE IN+ = 199.99987kHz SQUARE WAVE IN– = 0V SETTLING TIME (ns) –100 0 100 200 300 400 500 600 700 800 900 –100 –80 –60 –40 –20 0 20 40 60 80 100 235816 G36 WITH NAP MODE tCNVL = 750ns N = 8 N = 1 N = 2 N = 4 SAMPLING FREQUENCY (kHz) 0 100 200 300 400 500 600 700 800 80 100 120 140 160 180 200 220 240 260 235816 G34 |
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Similar Description - LTC1857 |
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