Datasheet LT1990 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | ±250V Input Range G = 1, 10, Micropower, Difference Amplifier |
| 页数 / 页 | 16 / 10 — TYPICAL PERFOR A CE CHARACTERISTICS. Supply Current. Output Voltage … |
| 文件格式/大小 | PDF / 277 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. Supply Current. Output Voltage Swing. vs Supply Voltage. vs Temperature. vs Load Current
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LT1990
W U TYPICAL PERFOR A CE CHARACTERISTICS Supply Current Supply Current Output Voltage Swing vs Supply Voltage vs Temperature vs Load Current
220 150 V + – 0.01 VREF = VOUT = 1.25V V V S = 5V, 0V S = ±2.5V T 200 V – = 0V 140 A = –55°C –IN = 0V TA = 125°C – 0.1 G = 1 180 130 SOURCING T µA) A = 85°C (+IN = 2.5V) TA = 125°C 160 µA) 120 –1 TA = 25°C TA = 25°C 140 110 T T A = 25°C A = –40°C 120 100 TA = –55°C 100 90 +1 T SUPPLY CURRENT ( A = 125°C SUPPLY CURRENT ( SINKING 80 80 OUTPUT VOLTAGE SWING WITH RESPECT TO SUPPLY (V) (+IN = –2.5V) +0.1 TA = –55°C 60 70 40 60 V – +0.01 0 5 10 15 20 25 30 35 40 –50 –25 0 25 50 75 100 125 0.001 0.01 0.1 1 10 100 SUPPLY VOLTAGE (V) TEMPERATURE (°C) OUTPUT CURRENT (mA) 1990 G01 1990 G03 1990 G02
Output Voltage vs Output Voltage vs Output Voltage Swing vs Input Voltage, G = 1 Input Voltage, G = 10 Supply Voltage
V + –0.01 V + –0.01 V + –0.01 VS = ±2.5V TA = –55°C VS = ±2.5V TA = –55°C G = 1 G = 10 G = 1, V+IN = V+ –0.1 NO LOAD TA = 125°C –0.1 NO LOAD TA = 125°C –0.1 TA = 25°C T G = 10, V A = 25°C +IN = V+/10 G = 10 G = 1 –1 –1 OUTPUT FULLY V–IN = 0V SATURATED VREF = 0V NO LOAD TA = 25°C OUTPUT FULLY +1 +1 SATURATED G = 10 G = 1 OUTPUT SWING WITH OUTPUT VOLTAGE WITH RESPECT TO SUPPLY (V) +0.1 OUTPUT VOLTAGE WITH RESPECT TO SUPPLY (V) TA = 25°C RESPECT TO SUPPLY (V) G = 10, V+IN = V–/10 T +0.1 A = 25°C +0.1 G = 1, V+IN = V– T TA = 125°C T A = 125°C A = –55°C TA = –55°C V – +0.01 V – +0.01 V – +0.01 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 0.2 0.4 0.6 0.8 1.0 0 2 4 6 8 10 12 14 16 DIFFERENTIAL INPUT VOLTAGE (±V) DIFFERENTIAL INPUT VOLTAGE (±V) SUPPLY VOLTAGE (±V) 1990 G04 1990 G05 1990 G06
Output Short-Circuit Current Input Voltage Range vs Single Input Voltage Range vs Split vs Supply Voltage Supply Voltage Supply Voltage
25 250 300 V– = 0V VREF = 0V 20 T T SOURCE A = –40°C TO 85°C A = –40°C TO 85°C 200 15 200 TA = –55°C VREF = 4V 10 150 TA = 25°C VREF = 1.25V 100 5 TA = 125°C 100 0 VREF = 2.5V 0 –5 50 SINK –10 TA = 125°C V –100 0 REF = 1.25V –15 TA = –55°C VREF = 2.5V –20 MAXIMUM INPUT VOLTAGE (V) MAXIMUM INPUT VOLTAGE (V) –200 –50 –25 TA = 25°C V OUTPUT SHORT-CIRCUIT CURRENT (mA) REF = 4V –30 –100 –300 0 2 4 6 8 10 12 14 16 3 5 7 9 11 13 15 1 3 5 7 9 11 13 15 SUPPLY VOLTAGE (±V) POSITIVE SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (±V) 1990 G07 1990 G08 1990 G09 1990fb 10
W U TYPICAL PERFOR A CE CHARACTERISTICS Supply Current Supply Current Output Voltage Swing vs Supply Voltage vs Temperature vs Load Current
220 150 V + – 0.01 VREF = VOUT = 1.25V V V S = 5V, 0V S = ±2.5V T 200 V – = 0V 140 A = –55°C –IN = 0V TA = 125°C – 0.1 G = 1 180 130 SOURCING T µA) A = 85°C (+IN = 2.5V) TA = 125°C 160 µA) 120 –1 TA = 25°C TA = 25°C 140 110 T T A = 25°C A = –40°C 120 100 TA = –55°C 100 90 +1 T SUPPLY CURRENT ( A = 125°C SUPPLY CURRENT ( SINKING 80 80 OUTPUT VOLTAGE SWING WITH RESPECT TO SUPPLY (V) (+IN = –2.5V) +0.1 TA = –55°C 60 70 40 60 V – +0.01 0 5 10 15 20 25 30 35 40 –50 –25 0 25 50 75 100 125 0.001 0.01 0.1 1 10 100 SUPPLY VOLTAGE (V) TEMPERATURE (°C) OUTPUT CURRENT (mA) 1990 G01 1990 G03 1990 G02
Output Voltage vs Output Voltage vs Output Voltage Swing vs Input Voltage, G = 1 Input Voltage, G = 10 Supply Voltage
V + –0.01 V + –0.01 V + –0.01 VS = ±2.5V TA = –55°C VS = ±2.5V TA = –55°C G = 1 G = 10 G = 1, V+IN = V+ –0.1 NO LOAD TA = 125°C –0.1 NO LOAD TA = 125°C –0.1 TA = 25°C T G = 10, V A = 25°C +IN = V+/10 G = 10 G = 1 –1 –1 OUTPUT FULLY V–IN = 0V SATURATED VREF = 0V NO LOAD TA = 25°C OUTPUT FULLY +1 +1 SATURATED G = 10 G = 1 OUTPUT SWING WITH OUTPUT VOLTAGE WITH RESPECT TO SUPPLY (V) +0.1 OUTPUT VOLTAGE WITH RESPECT TO SUPPLY (V) TA = 25°C RESPECT TO SUPPLY (V) G = 10, V+IN = V–/10 T +0.1 A = 25°C +0.1 G = 1, V+IN = V– T TA = 125°C T A = 125°C A = –55°C TA = –55°C V – +0.01 V – +0.01 V – +0.01 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 0.2 0.4 0.6 0.8 1.0 0 2 4 6 8 10 12 14 16 DIFFERENTIAL INPUT VOLTAGE (±V) DIFFERENTIAL INPUT VOLTAGE (±V) SUPPLY VOLTAGE (±V) 1990 G04 1990 G05 1990 G06
Output Short-Circuit Current Input Voltage Range vs Single Input Voltage Range vs Split vs Supply Voltage Supply Voltage Supply Voltage
25 250 300 V– = 0V VREF = 0V 20 T T SOURCE A = –40°C TO 85°C A = –40°C TO 85°C 200 15 200 TA = –55°C VREF = 4V 10 150 TA = 25°C VREF = 1.25V 100 5 TA = 125°C 100 0 VREF = 2.5V 0 –5 50 SINK –10 TA = 125°C V –100 0 REF = 1.25V –15 TA = –55°C VREF = 2.5V –20 MAXIMUM INPUT VOLTAGE (V) MAXIMUM INPUT VOLTAGE (V) –200 –50 –25 TA = 25°C V OUTPUT SHORT-CIRCUIT CURRENT (mA) REF = 4V –30 –100 –300 0 2 4 6 8 10 12 14 16 3 5 7 9 11 13 15 1 3 5 7 9 11 13 15 SUPPLY VOLTAGE (±V) POSITIVE SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (±V) 1990 G07 1990 G08 1990 G09 1990fb 10