Datasheet LTC1250 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Very Low Noise Zero-Drift Bridge Amplifier |
| 页数 / 页 | 12 / 5 — TYPICAL PERFOR A CE CH. ARA TERISTICS. Output Swing vs Load. Output … |
| 文件格式/大小 | PDF / 184 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CH. ARA TERISTICS. Output Swing vs Load. Output Voltage Swing vs Load. Transient Response
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LTC1250
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Output Swing vs Load Output Voltage Swing vs Load Transient Response Resistance, Dual Supplies Resistance, Single Supply
10 18 R 9 L TO GND 16 VS = 16V VS = ±8V 8 14 V) 7 ± 12 2V/DIV V 6 S = 10V V 10 S = ±5V 5 8 4 6 OUTPUT SWING ( 3 VS = ±2.5V OUTPUT SWING (V) VS = 5V 4 2 1µs/DIV NEGATIVE SWING 2 V– = GND 1 POSITIVE SWING RL TO GND AV = 1, RL = 100k, CL = 50pF, VS = ±5V 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 LOAD RESISTANCE (kΩ) LOAD RESISTANCE (kΩ) 1250 G14 1250 G15
Output Swing vs Output Current, Output Swing vs Output Current, Short-Circuit Current
±
5V Supply Single 5V Supply vs Temperature
5 6 40 V V S = ±5V S = SINGLE 5V V 4 S = ±15V 30 5 3 VOUT = V– 20 2 4 10 1 0 3 0 –1 –10 2 OUTPUT VOLTAGE (V) –2 OUTPUT VOLTAGE (V) –20 –3 V 1 SHORT-CIRCUIT CURRENT (mA) OUT = V + –30 –4 –5 0 –40 0.01 0.1 1 10 0.01 0.1 1 10 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) TEMPERATURE (°C) 1250 G16 1250 G17 1250 G18
TEST CIRCUITS Offset Test Circuit DC to 10Hz Noise Test Circuit
100pF
(for DC to 1Hz Multiply All Capacitor Values by 10)
100pF 100k 100k 5V 5V 2 7 8 5V – 2 6 – 0.04µF – 10Ω 6 2 7 1/2 1 1/2 7 LTC1250 OUTPUT – LT1057 LT1057 10 3 800k 800k 800k Ω 6 + 3 5 + + LTC1250 OUTPUT 4 4 3 + 4 –5V 0.02µF 0.01µF –5V –5V 1250 TC01 1250 TC02 1250fb 5
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Output Swing vs Load Output Voltage Swing vs Load Transient Response Resistance, Dual Supplies Resistance, Single Supply
10 18 R 9 L TO GND 16 VS = 16V VS = ±8V 8 14 V) 7 ± 12 2V/DIV V 6 S = 10V V 10 S = ±5V 5 8 4 6 OUTPUT SWING ( 3 VS = ±2.5V OUTPUT SWING (V) VS = 5V 4 2 1µs/DIV NEGATIVE SWING 2 V– = GND 1 POSITIVE SWING RL TO GND AV = 1, RL = 100k, CL = 50pF, VS = ±5V 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 LOAD RESISTANCE (kΩ) LOAD RESISTANCE (kΩ) 1250 G14 1250 G15
Output Swing vs Output Current, Output Swing vs Output Current, Short-Circuit Current
±
5V Supply Single 5V Supply vs Temperature
5 6 40 V V S = ±5V S = SINGLE 5V V 4 S = ±15V 30 5 3 VOUT = V– 20 2 4 10 1 0 3 0 –1 –10 2 OUTPUT VOLTAGE (V) –2 OUTPUT VOLTAGE (V) –20 –3 V 1 SHORT-CIRCUIT CURRENT (mA) OUT = V + –30 –4 –5 0 –40 0.01 0.1 1 10 0.01 0.1 1 10 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) TEMPERATURE (°C) 1250 G16 1250 G17 1250 G18
TEST CIRCUITS Offset Test Circuit DC to 10Hz Noise Test Circuit
100pF
(for DC to 1Hz Multiply All Capacitor Values by 10)
100pF 100k 100k 5V 5V 2 7 8 5V – 2 6 – 0.04µF – 10Ω 6 2 7 1/2 1 1/2 7 LTC1250 OUTPUT – LT1057 LT1057 10 3 800k 800k 800k Ω 6 + 3 5 + + LTC1250 OUTPUT 4 4 3 + 4 –5V 0.02µF 0.01µF –5V –5V 1250 TC01 1250 TC02 1250fb 5