Datasheet LTC6993-1, LTC6993-2, LTC6993-3, LTC6993-4 (Analog Devices) - 7

LTC6993-1/LTC6993-2 LTC6993-3/LTC6993-4
TYPICAL PERFORMANCE CHARACTERISTICS V+ = 3.3V, RSET = 200k and TA = 25°C unless otherwise noted. tOUT Error vs RSET tOUT Error vs RSET tOUT Error vs RSET (NDIV = 1, Rising Edge) (8 ≤ NDIV ≤ 64) (NDIV ≥ 512)
5 5 5 LTC6993-1/LTC6993-2 3 PARTS 3 PARTS 4 DIVCODE = 0 4 4 3 PARTS 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) 69931234 G10 69931234 G11 69931234 G12
tOUT Error vs RSET tOUT Error vs DIVCODE tOUT Error vs DIVCODE (NDIV = 1, Falling Edge) (Rising Edge) (Falling Edge)
5 5 5 LTC6993-3/LTC6993-4 LTC6993-1/LTC6993-2 LTC6993-3/LTC6993-4 4 DIVCODE = 0 4 RSET = 50k 4 RSET = 50k 3 PARTS 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 –3 –3 –3 –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 69931234 G13 69931234 G14 69931234 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) 0 0 (V) 1.000 V SET –0.2 DRIFT (mV) –0.2 V SET 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) 69931234 G16 69931234 G17 69931234 G18 Rev. E For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts