Datasheet LT6105 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | Precision, Extended Input Range Current Sense Amplifier |
| Seiten / Seite | 20 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Gain Error Distribution,. Gain Error … |
| Dateiformat / Größe | PDF / 384 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. Gain Error Distribution,. Gain Error vs Temperature,. V +. S = 0V
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Textversion des Dokuments
LT6105
TYPICAL PERFORMANCE CHARACTERISTICS Gain Error Distribution, Gain Error vs Temperature, V + + S = 0V Gain Error vs Input Voltage VS = 12V
45 4 0.5 V+ = 12V V+ = 12V V+ = 12V V 40 V SENSE = 50mV 0.4 V SENSE = 50mV 3 SENSE = 50mV R R IN = 100Ω R IN = 100Ω IN = 100Ω 0.3 35 A A V = 50V A V = 50V/V 2 V = 50V/V 500 SAMPLES 0.2 30 T 1 A = – 40°C 0.1 25 T 0 A = 25°C 0.0 20 –0.1 –1 15 GAIN ERROR (%) GAIN ERROR (%) T T –0.2 PERCENT OF UNITS (%) –2 A = 125°C A = 85°C 10 –0.3 –3 5 –0.4 0 –4 –0.5 –2.3 –2.2 –2.1 –2.0 –1.9 –1.8 –1.7 –1.6 –1.5 –1.4 0 5 10 15 20 25 30 35 40 45 –50 –25 0 25 50 75 100 125 GAIN ERROR (%) V + S INPUT VOLTAGE (V) TEMPERATURE (°C) 6105 G07 6105 G08 6105 G09
Gain Error vs Temperature, Input Referred Voltage Error V + + S = 0V Gain Error vs Output Resistance vs VSENSE, VS = 12V
0 6 2 V+ = 12V VIN = 12V V+ = 12V 5 –0.4 V VSENSE = 50mV R SENSE = 50mV IN = 100Ω R 4 RIN = 100Ω A IN = 100Ω V = 50V/V –0.8 AV = 50V/V 3 AV = ROUT/RIN 1 TA = 85°C –1.2 2 –1.6 1 + TA = 125°C VS = 12V –2.0 0 0 –1 –2.4 V + S = 0V TA = – 40°C GAIN ERROR (%) GAIN ERROR (%) –2 T –2.8 A = 25°C –3 –1 –3.2 INPUT REFERRED ERROR (mV) –4 –3.6 –5 –4.0 –6 –2 –50 –25 0 25 50 75 100 125 0 2000 4000 6000 8000 10000 0 20 40 60 80 100 120 TEMPERATURE (°C) ROUT OUTPUT RESISTANCE (Ω) VSENSE (mV) 6105 G10 6105 G11 6105 G12
Input Referred Voltage Error Input Bias Current Input Current vs Input Voltage, vs V + SENSE, VS = 0V vs Input Voltage VSENSE = 50mV
5.0 100.00 2.0 V+ = 12V V+ = 3V V+ = 12V 4.0 RIN = 100Ω 10.00 VSENSE = 0V 1.5 RIN = 100Ω AV = 50V/V R AV = 50V/V 3.0 1.00 IN = 100Ω 1.0 2.0 0.1 T I(+IN) A = – 40°C T T A = 125°C A = – 40°C 0.5 1.0 T 0.01 A = 25°C T I A = 85°C (–IN) 0.0 0 0.0 TA = 25°C –1.0 –0.01 –0.5 T –2.0 A = 125°C –0.10 INPUT CURRENT (mA) T –1.0 A = 85°C INPUT BIAS CURRENT (μA) INPUT REFERRED ERROR (mV) –3.0 –1.00 –1.5 –4.0 –10.00 –5.0 –100.00 –2.0 0 20 40 60 80 100 120 0 0.5 1 1.5 2 2.5 3 0 5 10 15 20 25 30 35 40 45 V + + SENSE (mV) VS INPUT VOLTAGE (V) VS INPUT VOLTAGE (V) 6105 G13 6105 G14 6105 G15 6105fa 7
TYPICAL PERFORMANCE CHARACTERISTICS Gain Error Distribution, Gain Error vs Temperature, V + + S = 0V Gain Error vs Input Voltage VS = 12V
45 4 0.5 V+ = 12V V+ = 12V V+ = 12V V 40 V SENSE = 50mV 0.4 V SENSE = 50mV 3 SENSE = 50mV R R IN = 100Ω R IN = 100Ω IN = 100Ω 0.3 35 A A V = 50V A V = 50V/V 2 V = 50V/V 500 SAMPLES 0.2 30 T 1 A = – 40°C 0.1 25 T 0 A = 25°C 0.0 20 –0.1 –1 15 GAIN ERROR (%) GAIN ERROR (%) T T –0.2 PERCENT OF UNITS (%) –2 A = 125°C A = 85°C 10 –0.3 –3 5 –0.4 0 –4 –0.5 –2.3 –2.2 –2.1 –2.0 –1.9 –1.8 –1.7 –1.6 –1.5 –1.4 0 5 10 15 20 25 30 35 40 45 –50 –25 0 25 50 75 100 125 GAIN ERROR (%) V + S INPUT VOLTAGE (V) TEMPERATURE (°C) 6105 G07 6105 G08 6105 G09
Gain Error vs Temperature, Input Referred Voltage Error V + + S = 0V Gain Error vs Output Resistance vs VSENSE, VS = 12V
0 6 2 V+ = 12V VIN = 12V V+ = 12V 5 –0.4 V VSENSE = 50mV R SENSE = 50mV IN = 100Ω R 4 RIN = 100Ω A IN = 100Ω V = 50V/V –0.8 AV = 50V/V 3 AV = ROUT/RIN 1 TA = 85°C –1.2 2 –1.6 1 + TA = 125°C VS = 12V –2.0 0 0 –1 –2.4 V + S = 0V TA = – 40°C GAIN ERROR (%) GAIN ERROR (%) –2 T –2.8 A = 25°C –3 –1 –3.2 INPUT REFERRED ERROR (mV) –4 –3.6 –5 –4.0 –6 –2 –50 –25 0 25 50 75 100 125 0 2000 4000 6000 8000 10000 0 20 40 60 80 100 120 TEMPERATURE (°C) ROUT OUTPUT RESISTANCE (Ω) VSENSE (mV) 6105 G10 6105 G11 6105 G12
Input Referred Voltage Error Input Bias Current Input Current vs Input Voltage, vs V + SENSE, VS = 0V vs Input Voltage VSENSE = 50mV
5.0 100.00 2.0 V+ = 12V V+ = 3V V+ = 12V 4.0 RIN = 100Ω 10.00 VSENSE = 0V 1.5 RIN = 100Ω AV = 50V/V R AV = 50V/V 3.0 1.00 IN = 100Ω 1.0 2.0 0.1 T I(+IN) A = – 40°C T T A = 125°C A = – 40°C 0.5 1.0 T 0.01 A = 25°C T I A = 85°C (–IN) 0.0 0 0.0 TA = 25°C –1.0 –0.01 –0.5 T –2.0 A = 125°C –0.10 INPUT CURRENT (mA) T –1.0 A = 85°C INPUT BIAS CURRENT (μA) INPUT REFERRED ERROR (mV) –3.0 –1.00 –1.5 –4.0 –10.00 –5.0 –100.00 –2.0 0 20 40 60 80 100 120 0 0.5 1 1.5 2 2.5 3 0 5 10 15 20 25 30 35 40 45 V + + SENSE (mV) VS INPUT VOLTAGE (V) VS INPUT VOLTAGE (V) 6105 G13 6105 G14 6105 G15 6105fa 7