Datasheet LTC1293, LTC1294, LTC1296 (Analog Devices) - 6

LTC1293/LTC1294/LTC1296
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Maximum Clock Rate vs Source Maximum Filter Resistor vs Cycle D Resistance OUT Delay Time vs Temperature Time
250 1.0 10k V V CC = 5V CC = 5V VREF = 5V RFILTER CLK = 1MHz +V 0.8 IN + ↓ (ns) 200 ) Ω 1k CFILTER ≥1µF – +VIN + +IN ** ( 150 MSB FIRST DATA 0.6 RSOURCE– – –IN FILTER 100 100 LSB FIRST DATA 0.4 DELAY TIME FROM CLK 10 MAXIMUM R 50 0.2 OUTD MAXIMUM CLK FREQUENCY* (MHz) 0 0 1 –50 –25 0 25 50 75 100 125 100 1k 10k 100k 10 100 1k 10k R AMBIENT TEMPERATURE (°C) SOURCE– (Ω) CYCLE TIME (µs) LTC1293 G10 LTC1293 G11 LTC1293 G12
Sample and Hold Acquisition Input Channel leakage Current vs Time vs Source Resistance Temperature Noise Error vs Reference Voltage
100 1000 2.25 VREF = 5V LTC1293/4/6 NOISE = 200µV 900 p-p V GUARANTEED 2.00 CC = 5V TA = 25°C 800 0V TO 5V INPUT STEP 1.75 700 1.50 600 RSOURCE+ 1.25 10 VIN + 500 1.00 – 400 0.75 300 200 0.50 ON CHANNEL S & H AQUISITION TIME TO 0.02% (µs) 100 PEAK-TO-PEAK NOISE ERROR (LSB) 0.25 INPUT CHANNEL LEAKAGE CURRENT (nA) OFF CHANNEL 1 0 0 100 1000 10000 –50 –30 –10 10 30 50 70 90 110 130 0 1 2 3 4 5 RSOURCE+ (Ω) AMBIENT TEMPERATURE (°C) REFERENCE VOLTAGE (V) LTC1292 G13 LTC1293 G14 LTC1293 G15
LTC1296 SSO Source Current vs LTC1296 SSO Sink Current vs VCC – VSSO VSSO
500 500 * MAXIMUM CLK FREQUENCY REPRESENTS THE CLK VCC = 5V V FREQUENCY AT WHICH A 0.1LSB SHIFT IN THE ERROR CC = 5V AT ANY CODE TRANSITION FROM ITS 1MHz VALUE IS FIRST DETECTED. 400 400 ** MAXIMUM RFILTER REPRESENTS THE FILTER RESISTOR 300 VALUE AT WHICH A 0.1LSB CHANGE IN FULL SCALE ERROR µA) 300 FROM ITS VALUE AT RFILTER = 0Ω IS FIRST DETECTED. ( µA) ( I SINK 200 200 I SOURCE 100 100 0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0 0.2 0.4 0.6 0.8 1.0 V V CC – VSSO VOLTAGE (V) SSO VOLTAGE (V) LTC1293 G16 LTC1293 G17 129346fs 6