Datasheet LT1920 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Single Resistor Gain Programmable, Precision Instrumentation Amplifier |
| Pages / Page | 12 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. Gain Nonlinearity, G = 1. Gain … |
| File Format / Size | PDF / 308 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. Gain Nonlinearity, G = 1. Gain Nonlinearity, G = 10. Gain Nonlinearity, G = 100
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LT1920
W U TYPICAL PERFOR A CE CHARACTERISTICS Gain Nonlinearity, G = 1 Gain Nonlinearity, G = 10 Gain Nonlinearity, G = 100
NONLINEARITY (1ppm/DIV) NONLINEARITY (10ppm/DIV) NONLINEARITY (10ppm/DIV) 1167 G01 1167 G02 1167 G03 G = 1 OUTPUT VOLTAGE (2V/DIV) G = 10 OUTPUT VOLTAGE (2V/DIV) G = 100 OUTPUT VOLTAGE (2V/DIV) RL = 2k RL = 2k RL = 2k VOUT = ±10V VOUT = ± 10V VOUT = ±10V
Gain Nonlinearity, G = 1000 Gain Error vs Temperature Warm-Up Drift
0.20 14 VS = ±15V T 0.15 12 A = 25°C µV) G = 1 S8 0.10 10 0.05 8 G = 1 N8 0 6 – 0.05 VS = ±15V NONLINEARITY (100ppm/DIV) GAIN ERROR (%) G = 10* VOUT = ±10V 4 – 0.10 RL = 2k G = 100* 1167 G04 *DOES NOT INCLUDE G = 1000 OUTPUT VOLTAGE (2V/DIV) CHANGE IN OFFSET VOLTAGE ( 2 – 0.15 TEMPERATURE EFFECTS G = 1000* RL = 2k OF R V G OUT = ±10V – 0.20 0 0 1 2 3 4 5 – 50 – 25 0 25 50 75 100 TEMPERATURE (°C) TIME AFTER POWER ON (MINUTES) 1920 G09 1920 G06
Input Bias Current Common Mode Rejection Ratio Negative Power Supply Rejection vs Common Mode Input Voltage vs Frequency Ratio vs Frequency
500 160 160 V G = 1000 S = ±15V V + = 15V 400 140 TA = 25°C 140 G = 100 TA = 25°C G = 100 1k SOURCE 300 120 G = 10 IMBALANCE 120 G = 10 200 G = 1000 100 G = 1 100 G = 1 100 0 70°C 80 80 85°C –100 60 60 – 200 0°C 25°C 40 40 INPUT BIAS CURRENT (pA) –300 – 40°C 20 20 – 400 COMMON MODE REJECTION RATIO (dB) – 500 0 0 –15 –12 – 9 – 6 – 3 0 3 6 9 12 15 0.1 1 10 100 1k 10k 100k NEGATIVE POWER SUPPLY REJECTION RATIO (dB) 0.1 1 10 100 1k 10k 100k COMMON MODE INPUT VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (Hz) 1920 G13 1920 G14 1920 G15 4
W U TYPICAL PERFOR A CE CHARACTERISTICS Gain Nonlinearity, G = 1 Gain Nonlinearity, G = 10 Gain Nonlinearity, G = 100
NONLINEARITY (1ppm/DIV) NONLINEARITY (10ppm/DIV) NONLINEARITY (10ppm/DIV) 1167 G01 1167 G02 1167 G03 G = 1 OUTPUT VOLTAGE (2V/DIV) G = 10 OUTPUT VOLTAGE (2V/DIV) G = 100 OUTPUT VOLTAGE (2V/DIV) RL = 2k RL = 2k RL = 2k VOUT = ±10V VOUT = ± 10V VOUT = ±10V
Gain Nonlinearity, G = 1000 Gain Error vs Temperature Warm-Up Drift
0.20 14 VS = ±15V T 0.15 12 A = 25°C µV) G = 1 S8 0.10 10 0.05 8 G = 1 N8 0 6 – 0.05 VS = ±15V NONLINEARITY (100ppm/DIV) GAIN ERROR (%) G = 10* VOUT = ±10V 4 – 0.10 RL = 2k G = 100* 1167 G04 *DOES NOT INCLUDE G = 1000 OUTPUT VOLTAGE (2V/DIV) CHANGE IN OFFSET VOLTAGE ( 2 – 0.15 TEMPERATURE EFFECTS G = 1000* RL = 2k OF R V G OUT = ±10V – 0.20 0 0 1 2 3 4 5 – 50 – 25 0 25 50 75 100 TEMPERATURE (°C) TIME AFTER POWER ON (MINUTES) 1920 G09 1920 G06
Input Bias Current Common Mode Rejection Ratio Negative Power Supply Rejection vs Common Mode Input Voltage vs Frequency Ratio vs Frequency
500 160 160 V G = 1000 S = ±15V V + = 15V 400 140 TA = 25°C 140 G = 100 TA = 25°C G = 100 1k SOURCE 300 120 G = 10 IMBALANCE 120 G = 10 200 G = 1000 100 G = 1 100 G = 1 100 0 70°C 80 80 85°C –100 60 60 – 200 0°C 25°C 40 40 INPUT BIAS CURRENT (pA) –300 – 40°C 20 20 – 400 COMMON MODE REJECTION RATIO (dB) – 500 0 0 –15 –12 – 9 – 6 – 3 0 3 6 9 12 15 0.1 1 10 100 1k 10k 100k NEGATIVE POWER SUPPLY REJECTION RATIO (dB) 0.1 1 10 100 1k 10k 100k COMMON MODE INPUT VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (Hz) 1920 G13 1920 G14 1920 G15 4
