Datasheet LT1880 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | SOT-23, Rail-to-Rail Output, Picoamp Input Current Precision Op Amp |
| 页数 / 页 | 12 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Input Offset Voltage. Input Bias … |
| 文件格式/大小 | PDF / 233 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Input Offset Voltage. Input Bias Current. vs Temperature. vs Common Mode Voltage
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LT1880
TYPICAL PERFORMANCE CHARACTERISTICS Input Offset Voltage Input Bias Current Input Bias Current vs Temperature vs Common Mode Voltage vs Common Mode Near VCC
200 1000 1000 TEMPCO: –55°C TO 125°C TA = 25°C VS = ±15V 800 – 150 10 REPRESENTATIVE UNITS TA = –40°C IB T 600 A = 85°C 100 500 400 I – B 50 200 0 0 0 I + B –200 –50 + –400 IB –100 –500 INPUT OFFSET VOLTAGE (μV) INPUT BIAS CURRENT (pA) INPUT BIAS CURRENT (pA) –600 TA = –45°C –150 –800 TA = 25°C VS = ±15V TA = 85°C –200 –1000 –1000 –55 –35 –15 5 25 45 65 85 105 125 –15 –10 –5 0 5 10 15 13.0 13.4 13.8 14.2 14.6 TEMPERATURE (°C) COMMON MODE VOLTAGE (V) COMMON MODE VOLTAGE (V) 1880 G01 1880 G02 1880 G02A
Input Bias Current Output Voltage Swing vs Common Mode Near VEE Input Bias Current vs Temperature vs Load Current
1000 200 V V S = ±15V S = ±15V 150 TA = –40°C I – )+ –0.5 100 B 500 T 50 –1.0 A = 85°C 0 SWING (V –1.5 TA = 25°C OUTPUT VOLTAGE 0 I – B –50 –100 1.5 TA = 25°C I + ) –150 B – 1.0 INPUT BIAS CURRENT (pA) –500 I + T B INPUT BIAS CURRENT (pA) –200 A = 85°C TA = –40°C T 0.5 A = 25°C –250 SWING (V T T A = –40°C A = 85°C OUTPUT VOLTAGE –1000 –300 –14.6 –14.2 –13.8 –13.4 –13.0 –50 –25 0 25 50 75 100 –10 –8 –6 –4 –2 0 2 4 6 8 10 COMMON MODE VOLTAGE (V) TEMPERATURE (°C) OUTPUT CURRENT (mA) 1880 G02B 1880 G03 1880 G04
Warm Up Drift en, in vs Frequency 0.1 to 10Hz Noise
6 1000 T V A = 25°C S = ±15V T ) A = 25°C 5 Hz Hz CURRENT NOISE 4 VS = ±15V 100 3 VOLTAGE NOISE 2 10 NOISE VOLTAGE (0.2μV/DIV) OFFSET VOLTAGE CHANGE (μV) V 1 S = ±2.5V CURRENT NOISE DENSITY (fA/√ VOLTAGE NOISE DENSITY (nV/√ VS = ±15V TA = 25°C 0 1 0 1 2 3 4 5 1 10 100 1k 0 2 4 6 8 10 TIME AFTER POWER ON (MIN) FREQUENCY (Hz) TIME (SEC) 1880 G08 1880 G05 1880 G09a 1880fa 5
TYPICAL PERFORMANCE CHARACTERISTICS Input Offset Voltage Input Bias Current Input Bias Current vs Temperature vs Common Mode Voltage vs Common Mode Near VCC
200 1000 1000 TEMPCO: –55°C TO 125°C TA = 25°C VS = ±15V 800 – 150 10 REPRESENTATIVE UNITS TA = –40°C IB T 600 A = 85°C 100 500 400 I – B 50 200 0 0 0 I + B –200 –50 + –400 IB –100 –500 INPUT OFFSET VOLTAGE (μV) INPUT BIAS CURRENT (pA) INPUT BIAS CURRENT (pA) –600 TA = –45°C –150 –800 TA = 25°C VS = ±15V TA = 85°C –200 –1000 –1000 –55 –35 –15 5 25 45 65 85 105 125 –15 –10 –5 0 5 10 15 13.0 13.4 13.8 14.2 14.6 TEMPERATURE (°C) COMMON MODE VOLTAGE (V) COMMON MODE VOLTAGE (V) 1880 G01 1880 G02 1880 G02A
Input Bias Current Output Voltage Swing vs Common Mode Near VEE Input Bias Current vs Temperature vs Load Current
1000 200 V V S = ±15V S = ±15V 150 TA = –40°C I – )+ –0.5 100 B 500 T 50 –1.0 A = 85°C 0 SWING (V –1.5 TA = 25°C OUTPUT VOLTAGE 0 I – B –50 –100 1.5 TA = 25°C I + ) –150 B – 1.0 INPUT BIAS CURRENT (pA) –500 I + T B INPUT BIAS CURRENT (pA) –200 A = 85°C TA = –40°C T 0.5 A = 25°C –250 SWING (V T T A = –40°C A = 85°C OUTPUT VOLTAGE –1000 –300 –14.6 –14.2 –13.8 –13.4 –13.0 –50 –25 0 25 50 75 100 –10 –8 –6 –4 –2 0 2 4 6 8 10 COMMON MODE VOLTAGE (V) TEMPERATURE (°C) OUTPUT CURRENT (mA) 1880 G02B 1880 G03 1880 G04
Warm Up Drift en, in vs Frequency 0.1 to 10Hz Noise
6 1000 T V A = 25°C S = ±15V T ) A = 25°C 5 Hz Hz CURRENT NOISE 4 VS = ±15V 100 3 VOLTAGE NOISE 2 10 NOISE VOLTAGE (0.2μV/DIV) OFFSET VOLTAGE CHANGE (μV) V 1 S = ±2.5V CURRENT NOISE DENSITY (fA/√ VOLTAGE NOISE DENSITY (nV/√ VS = ±15V TA = 25°C 0 1 0 1 2 3 4 5 1 10 100 1k 0 2 4 6 8 10 TIME AFTER POWER ON (MIN) FREQUENCY (Hz) TIME (SEC) 1880 G08 1880 G05 1880 G09a 1880fa 5