Datasheet LTC6906 (Analog Devices) - 4

LTC6906
TYPICAL PERFORMANCE CHARACTERISTICS Typical Frequency Error Typical Frequency Error vs Power Supply vs Temperature Typical Frequency Error vs RSET
0.50 2 0.50 0.40 0.40 1 0.30 RSET = 100k 0.30 2.25V 0.20 0 0.20 3.6V 0.10 0.10 R –1 SET = 1M 2.25V V+ = 2.25V 0 3.6V 0 RSET = 100k –2 V+ = 5V –0.10 ERROR (%) –0.10 RSET = 1M –0.20 –3 –0.20 FREQUENCY ERROR (%) FREQUENCY ERROR (%) –0.30 –0.30 –4 –0.40 –0.40 –0.50 –5 –0.50 2.25 3 4 5 –50 –30 –10 10 30 50 70 90 110 130 150 0 200 400 600 800 1000 1200 SUPPLY VOLTAGE (V) TEMPERATURE (°C) RSET (kΩ) 6906 G01 6906 G02 6906 G03
Typical Supply Current Typical Supply Current VSET vs Temperature (VSET is the vs Frequency vs Load Capacitance Voltage Measured at the RSET Pin)
90 200 0.80 CL = 5pF TA = 25C RSET = 100k 80 TA = 25°C 180 0.75 1MHz, 3.6V 70 160 0.70 V+ = 3.6V 140 0.65 60 120 0.60 VSET AT 50 V+ = 2.25V V V+ = 2.25V 100 0.55 SET AT 40 1MHz, 2.25V V+ = 3.6V 80 0.50 30 60 SET PIN VOLTAGE (V) 0.45 20 POWER SUPPLY CURRENT (A) POWER SUPPLY CURRENT (A) 40 0.40 100kHz, 3.6V 10 20 0.35 100kHz, 2.25V 0 0 0.30 0 200 400 600 800 1000 1200 0 10 20 30 40 –60 –40 –20 0 20 40 60 80 100 120 140 FREQUENCY (kHz) LOAD CAPACITANCE (pF) TEMPERATURE (°C) 6906 G04 6906 G05 6906 G06
Typical Supply Current Typical Supply Current vs Temperature, 1MHz vs Temperature, 100kHz
90 18 C C L = 5pF L = 5pF 17 85 ISUPPLY AT V+ = 3.6V 16 80 15 ISUPPLY AT V+ = 3.6V 14 75 13 70 12 ISUPPLY AT V+ = 2.25V ISUPPLY AT V+ = 2.25V SUPPLY CURRENT (A) 65 SUPPLY CURRENT (A) 11 10 60 9 55 8 –60 –40 –20 0 20 40 60 80 100 120 140 –50 –30 –10 10 30 50 70 90 110 130 150 TEMPERATURE (°C) TEMPERATURE (°C) 6906 G07 6906 G08 6906fc 4