Datasheet LT3040 (Analog Devices) - 9
| Hersteller | Analog Devices |
| Beschreibung | 20V, 200mA, Ultralow Noise, Ultrahigh PSRR Precision DAC/Reference Buffer |
| Seiten / Seite | 30 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. … |
| Dateiformat / Größe | PDF / 4.0 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Start-Up Time with and without. Fast Start Enabled
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LT3040
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Start-Up Time with and without Fast Start Enabled Noise Spectral Density Noise Spectral Density
100 100 REFERENCE VOLTAGE POWERED UP ) Hz Hz /√ 10 /√ 10 0.25V/DIV VOUT WITH FAST START DISABLED VOUT WITH FAST 1 1 START ENABLED OUTPUT NOISE (nV V+ = 5V OUTPUT NOISE (nV V+ = 5V V 2ms/DIV 3040 G28 IN = 3.3V CIN = 470nF VIN = 3.3V COUT = 4.7µF C C C V+ = 2V IN = 4.7µF IN = 4.7µF OUT = 4.7µF ILOAD = 200mA C I C R IN = 22µF LOAD = 200mA OUT = 22µF IN = 1kΩ 0.1 0.1 CIN = 2.2µF 10 100 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M ILOAD = 1mA FREQUENCY (Hz) FREQUENCY (Hz) 3040 G29 3040 G30
Noise Spectral Density Noise Spectral Density Noise Spectral Density
100 100 1k ILOAD = 1mA CIN = 4.7µF ILOAD = 50mA CIN = 22µF ILOAD = 100mA ) ILOAD = 200mA ) Hz Hz Hz /√ 10 /√ 10 /√ 100 1 1 OUTPUT NOISE (nV V+ = 5V OUTPUT NOISE (nV V+ = V OUTPUT NOISE (nV IN + 2V V+ = 5V VIN = 3.3V CIN = 4.7µF VIN = 3.3V CIN = 4.7µF COUT = 4.7µF VIN = 3.3V COUT = 4.7µF COUT = 4.7µF ILOAD = 200mA VIN = 0.3V ILOAD = 200mA 0.1 0.1 10 10 100 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M 0.1 1 10 FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 3040 G31 3040 G32 3040 G33
Integrated RMS Output Noise Noise Spectral Density Noise Spectral Density (10Hz to 100kHz)
1k 1k 2.0 ILOAD = 1mA VIN = 0.3V ILOAD = 20mA V 1.8 IN = 3.3V ) 1.6 ) Hz /√ Hz V RMS 1.4 /√ 1.2 100 100 1.0 0.8 0.6 OUTPUT NOISE (nV V+ = 5V OUTPUT NOISE (V V+ = VIN + 2V V+ = 4.5V BATTERY V RMS OUTPUT NOISE (µ 0.4 IN = 3.3V CIN = 4.7µF VIN = 3.3V CIN = 4.7µF COUT = 4.7µF C 0.2 IN = 4.7µF COUT = 4.7µF ILOAD = 200mA COUT = 4.7µF 10 10 0 0.1 1 10 0.1 1 10 0 20 40 60 80 100 120 140 160 180 200 FREQUENCY (Hz) FREQUENCY (Hz) LOAD CURRENT (mA) 3040 G34 3040 G35 3040 G36 Rev. 0 For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Start-Up Time with and without Fast Start Enabled Noise Spectral Density Noise Spectral Density
100 100 REFERENCE VOLTAGE POWERED UP ) Hz Hz /√ 10 /√ 10 0.25V/DIV VOUT WITH FAST START DISABLED VOUT WITH FAST 1 1 START ENABLED OUTPUT NOISE (nV V+ = 5V OUTPUT NOISE (nV V+ = 5V V 2ms/DIV 3040 G28 IN = 3.3V CIN = 470nF VIN = 3.3V COUT = 4.7µF C C C V+ = 2V IN = 4.7µF IN = 4.7µF OUT = 4.7µF ILOAD = 200mA C I C R IN = 22µF LOAD = 200mA OUT = 22µF IN = 1kΩ 0.1 0.1 CIN = 2.2µF 10 100 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M ILOAD = 1mA FREQUENCY (Hz) FREQUENCY (Hz) 3040 G29 3040 G30
Noise Spectral Density Noise Spectral Density Noise Spectral Density
100 100 1k ILOAD = 1mA CIN = 4.7µF ILOAD = 50mA CIN = 22µF ILOAD = 100mA ) ILOAD = 200mA ) Hz Hz Hz /√ 10 /√ 10 /√ 100 1 1 OUTPUT NOISE (nV V+ = 5V OUTPUT NOISE (nV V+ = V OUTPUT NOISE (nV IN + 2V V+ = 5V VIN = 3.3V CIN = 4.7µF VIN = 3.3V CIN = 4.7µF COUT = 4.7µF VIN = 3.3V COUT = 4.7µF COUT = 4.7µF ILOAD = 200mA VIN = 0.3V ILOAD = 200mA 0.1 0.1 10 10 100 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M 0.1 1 10 FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 3040 G31 3040 G32 3040 G33
Integrated RMS Output Noise Noise Spectral Density Noise Spectral Density (10Hz to 100kHz)
1k 1k 2.0 ILOAD = 1mA VIN = 0.3V ILOAD = 20mA V 1.8 IN = 3.3V ) 1.6 ) Hz /√ Hz V RMS 1.4 /√ 1.2 100 100 1.0 0.8 0.6 OUTPUT NOISE (nV V+ = 5V OUTPUT NOISE (V V+ = VIN + 2V V+ = 4.5V BATTERY V RMS OUTPUT NOISE (µ 0.4 IN = 3.3V CIN = 4.7µF VIN = 3.3V CIN = 4.7µF COUT = 4.7µF C 0.2 IN = 4.7µF COUT = 4.7µF ILOAD = 200mA COUT = 4.7µF 10 10 0 0.1 1 10 0.1 1 10 0 20 40 60 80 100 120 140 160 180 200 FREQUENCY (Hz) FREQUENCY (Hz) LOAD CURRENT (mA) 3040 G34 3040 G35 3040 G36 Rev. 0 For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts