Datasheet LTC6915 (Analog Devices) - 9
| Manufacturer | Analog Devices |
| Description | Zero Drift, Precision Instrumentation Amplifier with Digitally Programmable Gain |
| Pages / Page | 18 / 9 — Typical perForMance characTerisTics. Input Voltage Noise Density. Input … |
| File Format / Size | PDF / 297 Kb |
| Document Language | English |
Typical perForMance characTerisTics. Input Voltage Noise Density. Input Referred Noise in. vs Frequency. 10Hz Bandwidth
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LTC6915
Typical perForMance characTerisTics Input Voltage Noise Density Input Referred Noise in Input Referred Noise in vs Frequency 10Hz Bandwidth 10Hz Bandwidth
) 300 3 3 A Hz V = 16 VS = 3V VS = 5V TA = 25°C TA = 25°C TA = 25°C 250 2 2 VS = ±5V 200 1 1 VS = 5V 150 V 0 0 S = 3V 100 –1 –1 50 –2 –2 INPUT REFFERED NOISE VOLTAGE (µV) INPUT REFFERED NOISE VOLTAGE (µV) INPUT REFERRED NOISE DENSITY (nV/√ 0 –3 –3 1 10 100 1000 10000 0 2 4 6 8 10 0 2 4 6 8 10 FREQUENCY (Hz) TIME (s) TIME (s) 6915 G19 6915 G20 6915 G21
Output Voltage Swing vs Output Voltage Swing vs Low Gain Settling Time vs Output Current Output Current Settling Accuracy
5.0 5 8 TA = 25°C V VS = ±5V SOURCING VS = 5V 4.5 S = 5V, SOURCING 4 TA = 25°C 7 dVOUT = 1V 4.0 3 G 100 6 TA = 25°C 3.5 2 VS = 3V, SOURCING 3.0 1 5 2.5 0 4 2.0 –1 3 1.5 –2 SETTLING TIME (ms) 2 OUTPUT VOLTAGE SWING (V) 1.0 VS = 3V, SINKING OUTPUT VOLTAGE SWING (V) –3 V 0.5 S = 5V, SINKING –4 1 SINKING 0 –5 0 0.01 0.1 1 10 0.01 0.1 1 10 0.0001 0.001 0.01 0.1 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) SETTLING ACCURACY (%) 6915 G22 6915 G23 6915 G24
Internal Clock Frequency vs Additional Gain Error vs Load Settling Time vs Gain Supply Voltage Resistance
35 3.40 0.1 VS = 5V 30 dVOUT = 1V 0.1% ACCURACY 3.35 0 TA = 25°C 25 3.30 TA = 125°C –0.1 AV = 16 20 3.25 AV = 256 15 TA = 85°C –0.2 3.20 SETTLING TIME (ms) 10 CLOCK FREQUENCY (kHz) 3.15 ADDITIONAL GAIN ERROR (%) –0.3 5 A T T V = 4096 A = 25°C A = –55°C 0 3.10 –0.4 1 10 100 1000 10000 2.5 4.5 6.5 8.5 10.5 0 2 4 6 8 10 GAIN (V/V) SUPPLY VOLTAGE (V) LOAD RESISTANCE RL (k) 6915 G25 6915 G26 6915 G27 6915fb 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Timing Diagram Operation Typical Application Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics Input Voltage Noise Density Input Referred Noise in Input Referred Noise in vs Frequency 10Hz Bandwidth 10Hz Bandwidth
) 300 3 3 A Hz V = 16 VS = 3V VS = 5V TA = 25°C TA = 25°C TA = 25°C 250 2 2 VS = ±5V 200 1 1 VS = 5V 150 V 0 0 S = 3V 100 –1 –1 50 –2 –2 INPUT REFFERED NOISE VOLTAGE (µV) INPUT REFFERED NOISE VOLTAGE (µV) INPUT REFERRED NOISE DENSITY (nV/√ 0 –3 –3 1 10 100 1000 10000 0 2 4 6 8 10 0 2 4 6 8 10 FREQUENCY (Hz) TIME (s) TIME (s) 6915 G19 6915 G20 6915 G21
Output Voltage Swing vs Output Voltage Swing vs Low Gain Settling Time vs Output Current Output Current Settling Accuracy
5.0 5 8 TA = 25°C V VS = ±5V SOURCING VS = 5V 4.5 S = 5V, SOURCING 4 TA = 25°C 7 dVOUT = 1V 4.0 3 G 100 6 TA = 25°C 3.5 2 VS = 3V, SOURCING 3.0 1 5 2.5 0 4 2.0 –1 3 1.5 –2 SETTLING TIME (ms) 2 OUTPUT VOLTAGE SWING (V) 1.0 VS = 3V, SINKING OUTPUT VOLTAGE SWING (V) –3 V 0.5 S = 5V, SINKING –4 1 SINKING 0 –5 0 0.01 0.1 1 10 0.01 0.1 1 10 0.0001 0.001 0.01 0.1 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) SETTLING ACCURACY (%) 6915 G22 6915 G23 6915 G24
Internal Clock Frequency vs Additional Gain Error vs Load Settling Time vs Gain Supply Voltage Resistance
35 3.40 0.1 VS = 5V 30 dVOUT = 1V 0.1% ACCURACY 3.35 0 TA = 25°C 25 3.30 TA = 125°C –0.1 AV = 16 20 3.25 AV = 256 15 TA = 85°C –0.2 3.20 SETTLING TIME (ms) 10 CLOCK FREQUENCY (kHz) 3.15 ADDITIONAL GAIN ERROR (%) –0.3 5 A T T V = 4096 A = 25°C A = –55°C 0 3.10 –0.4 1 10 100 1000 10000 2.5 4.5 6.5 8.5 10.5 0 2 4 6 8 10 GAIN (V/V) SUPPLY VOLTAGE (V) LOAD RESISTANCE RL (k) 6915 G25 6915 G26 6915 G27 6915fb 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Timing Diagram Operation Typical Application Package Description Revision History Typical Application Related Parts
