Datasheet LTC6909 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | 1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum Modulation |
| Pages / Page | 22 / 5 — typicAl perForMAnce chArActeristics. Typical Output Resistance. Output … |
| File Format / Size | PDF / 315 Kb |
| Document Language | English |
typicAl perForMAnce chArActeristics. Typical Output Resistance. Output Rise/Fall Time. Supply Current vs Temperature
Model Line for this Datasheet
Text Version of Document
LTC6909
typicAl perForMAnce chArActeristics Typical Output Resistance Output Rise/Fall Time Supply Current vs Temperature vs Supply Voltage vs Supply Voltage
700 110 4.5 CLOAD = 5pF 100 4.0 TA = 25°C 650 RLOAD = 5k V+ = 5V 90 3.5 600 80 3.0 ANCE (Ω) 70 2.5 RISE TIME 550 60 2.0 Y CURRENT (µA) FALL TIME 500 V+ = 2.7V 50 1.5 SUPPL OUTPUT RESIST RSET = 100k 40 OUTPUT RISE/FALL TIME (ns) 1.0 450 PH = 3 C 30 0.5 LOAD = 5pF SSFM DISABLED 400 20 0 –40 –20 0 20 40 60 80 100 120 2.8 3 3.2 3.4 3.6 3.8 4 4.2 4.4 4.6 4.8 5 2.7 3.2 3.7 4.2 4.7 5.2 TEMPERATURE (°C) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) 6909 G09 6909 G07 6909 G08
Jitter vs RSET Output Operating at 3.33MHz
1.2 CLOAD = 5pF 1.0 V+ = 5V, DIV = 3 500mV/DIV 0.8 V+ = 2.7V, DIV = 3 0.6 TER (% P-P) JIT 0.4 50ns/DIV V+ = 5V, DIV = 8 V+ = 3.3V 6909 G11 0.2 CLOAD = 15pF V+ = 2.7V, DIV = 8 RLOAD = 5k 010k 100k 1M 10M RSET (Ω) 6909 G10
Output Frequency Spectrum Output Operating at 6.66MHz SSFM Enable and Disabled
0 RES BW = 9kHz SSFM ENABLED (N = 16) 1V/DIV 10dB/DIV SSFM DISABLED –100 50ns/DIV 2.5 MHz V+ = 5V 6909 G12 FREQUENCY (200kHz/DIV) CLOAD = 15pF 6909 G13 RLOAD = 5k 6909fa 5 Document Outline Features Applications Description Typical Application 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
typicAl perForMAnce chArActeristics Typical Output Resistance Output Rise/Fall Time Supply Current vs Temperature vs Supply Voltage vs Supply Voltage
700 110 4.5 CLOAD = 5pF 100 4.0 TA = 25°C 650 RLOAD = 5k V+ = 5V 90 3.5 600 80 3.0 ANCE (Ω) 70 2.5 RISE TIME 550 60 2.0 Y CURRENT (µA) FALL TIME 500 V+ = 2.7V 50 1.5 SUPPL OUTPUT RESIST RSET = 100k 40 OUTPUT RISE/FALL TIME (ns) 1.0 450 PH = 3 C 30 0.5 LOAD = 5pF SSFM DISABLED 400 20 0 –40 –20 0 20 40 60 80 100 120 2.8 3 3.2 3.4 3.6 3.8 4 4.2 4.4 4.6 4.8 5 2.7 3.2 3.7 4.2 4.7 5.2 TEMPERATURE (°C) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) 6909 G09 6909 G07 6909 G08
Jitter vs RSET Output Operating at 3.33MHz
1.2 CLOAD = 5pF 1.0 V+ = 5V, DIV = 3 500mV/DIV 0.8 V+ = 2.7V, DIV = 3 0.6 TER (% P-P) JIT 0.4 50ns/DIV V+ = 5V, DIV = 8 V+ = 3.3V 6909 G11 0.2 CLOAD = 15pF V+ = 2.7V, DIV = 8 RLOAD = 5k 010k 100k 1M 10M RSET (Ω) 6909 G10
Output Frequency Spectrum Output Operating at 6.66MHz SSFM Enable and Disabled
0 RES BW = 9kHz SSFM ENABLED (N = 16) 1V/DIV 10dB/DIV SSFM DISABLED –100 50ns/DIV 2.5 MHz V+ = 5V 6909 G12 FREQUENCY (200kHz/DIV) CLOAD = 15pF 6909 G13 RLOAD = 5k 6909fa 5 Document Outline Features Applications Description Typical Application 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
