Datasheet LTC6994-1, LTC6994-2 (Analog Devices) - 7

LTC6994-1/LTC6994-2
TYPICAL PERFORMANCE CHARACTERISTICS V+ = 3.3V, RSET = 200k and TA = 25°C unless otherwise noted. Delay Error vs RSET Delay Error vs RSET (NDIV = 1) (8 ≤ NDIV ≤ 64) Delay Error vs RSET (NDIV ≥ 512)
5 5 5 RISING EDGE DELAY 3 PARTS 3 PARTS 4 3 PARTS 4 4 3 3 3 2 2 2 1 1 1 0 0 0 ERROR (%) –1 ERROR (%) –1 ERROR (%) –1 –2 –2 –2 –3 –3 –3 –4 –4 –4 –5 –5 –5 50 100 200 400 800 50 100 200 400 800 50 100 200 400 800 RSET (kΩ) RSET (kΩ) RSET (kΩ) 699412 G10 699412 G11 699412 G12
Delay Error vs RSET (NDIV =1) Delay Error vs DIVCODE Delay Error vs DIVCODE
5 5 5 FALLING EDGE DELAY LTC6994-1 LTC6994-1 4 3 PARTS 4 RSET = 50k 4 RSET = 800k 3 PARTS 3 PARTS 3 3 3 2 2 2 1 1 1 0 0 0 ERROR (%) –1 ERROR (%) –1 ERROR (%) –1 –2 –2 –2 RISING EDGE FALLING EDGE RISING EDGE FALLING EDGE –3 –3 DELAY DELAY –3 DELAY DELAY –4 –4 –4 –5 –5 –5 50 100 200 400 800 0 2 4 6 8 10 12 14 0 2 4 6 8 10 12 14 RSET (kΩ) DIVCODE DIVCODE 699412 G13 699412 G14 699412 G15
VSET Drift vs ISET VSET Drift vs Supply Voltage VSET vs Temperature
1.0 1.0 1.020 3 PARTS 0.8 0.8 1.015 0.6 0.6 1.010 0.4 0.4 0.2 0.2 1.005 (mV) (V) 0 0 1.000 V SET V SET –0.2 DRIFT (mV) –0.2 0.995 –0.4 –0.4 0.990 –0.6 –0.6 –0.8 –0.8 0.985 REFERENCED TO ISET = 10µA REFERENCED TO V+ = 4V –1.0 –1.0 0.980 0 5 10 15 20 2 3 4 5 6 –50 –25 0 25 50 75 100 125 ISET (µA) SUPPLY (V) TEMPERATURE (°C) 699412 G16 699412 G17 699412 G18 Rev. C For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts