Datasheet LT1218, LT1219 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | Precision Rail-to-Rail Input and Output Op Amps |
| 页数 / 页 | 16 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. LT1218 Power Supply Rejection. … |
| 文件格式/大小 | PDF / 329 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. LT1218 Power Supply Rejection. LT1218 Closed Loop Output. LT1219 Closed Loop Output
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LT1218/LT1219
W U TYPICAL PERFORMANCE CHARACTERISTICS LT1218 Power Supply Rejection LT1218 Closed Loop Output LT1219 Closed Loop Output Ratio vs Frequency Impedance vs Frequency Impedance vs Frequency
100 1000 1000 VS = ±2.5V VS = ±2.5V VS = ±2.5V 90 CL = 0.1µF 80 ) Ω 100 Ω 100 A 70 V = 10 A 60 V = 10 POSITIVE SUPPLY 50 10 A 10 V = 1 AV = 1 40 30 OUTPUT IMPEDANCE ( 1.0 OUTPUT IMPEDANCE ( 1.0 20 NEGATIVE SUPPLY POWER SUPPLY REJECTION RATIO (dB) 10 0 0.1 0.1 1 10 100 1000 0.1 1 10 100 1000 0.1 1 10 100 1000 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) LT1218/19 • TPC17 LT1218/19 • TPC18 LT1218/19 • TPC19
LT1219 Overshoot vs Load LT1219 Overshoot vs Load LT1218 Capacitive Load Handling Current, VS =
±
2.5V Current, VS =
±
15V
80 70 70 VS = ±2.5V VS = ±2.5V VS = ±15V 70 60 AV = 1 60 AV = 1 CL = 0.22µF 60 50 50 CL = 0.22µF 50 40 A 40 C V = 1 L = 0.047µF 40 CL = 0.047µF 30 30 30 OVERSHOOT (%) AV = 5 OVERSHOOT (%) OVERSHOOT (%) 20 20 20 10 C 10 L = 0.1µF 10 AV = 10 CL = 0.1µF 0 0 0 10 100 1000 10000 100000 –10 –5 0 5 10 –10 –5 0 5 10 CAPACITIVE LOAD (pF) LOAD CURRENT (mA) LOAD CURRENT (mA) LT1218/19 • TPC20 LT1218/19 • TPC21 LT1218/19 • TPC22
Open-Loop Gain, VS =
±
15V Input Offset Drift vs Time THD + Noise vs Frequency
40 40 1 V V S = ±15V S = ±1.5V 30 V 30 IN = 2VP-P µV) R µV) L = 10k 20 20 0.1 10 10 RL = 10k VS = ±15V 0 0 AV = 1 R V L = 2k S = ±2.5V –10 –10 THD + NOISE (%) 0.01 –20 –20 A OFFSET VOLTAGE CHANGE ( V = –1 –30 CHANGE IN OFFSET VOLTAGE ( –30 –40 –40 0.001 –20 –15 –10 –5 0 5 10 15 20 0 20 40 60 80 100 120 140 160 180 200 0.01 0.1 1 10 OUTPUT VOLTAGE (V) TIME AFTER POWER-UP (SEC) FREQUENCY (kHz) LT1218/19 • TPC25 LT1218/19 • TPC23 LT1218/19 • TPC24 10
W U TYPICAL PERFORMANCE CHARACTERISTICS LT1218 Power Supply Rejection LT1218 Closed Loop Output LT1219 Closed Loop Output Ratio vs Frequency Impedance vs Frequency Impedance vs Frequency
100 1000 1000 VS = ±2.5V VS = ±2.5V VS = ±2.5V 90 CL = 0.1µF 80 ) Ω 100 Ω 100 A 70 V = 10 A 60 V = 10 POSITIVE SUPPLY 50 10 A 10 V = 1 AV = 1 40 30 OUTPUT IMPEDANCE ( 1.0 OUTPUT IMPEDANCE ( 1.0 20 NEGATIVE SUPPLY POWER SUPPLY REJECTION RATIO (dB) 10 0 0.1 0.1 1 10 100 1000 0.1 1 10 100 1000 0.1 1 10 100 1000 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) LT1218/19 • TPC17 LT1218/19 • TPC18 LT1218/19 • TPC19
LT1219 Overshoot vs Load LT1219 Overshoot vs Load LT1218 Capacitive Load Handling Current, VS =
±
2.5V Current, VS =
±
15V
80 70 70 VS = ±2.5V VS = ±2.5V VS = ±15V 70 60 AV = 1 60 AV = 1 CL = 0.22µF 60 50 50 CL = 0.22µF 50 40 A 40 C V = 1 L = 0.047µF 40 CL = 0.047µF 30 30 30 OVERSHOOT (%) AV = 5 OVERSHOOT (%) OVERSHOOT (%) 20 20 20 10 C 10 L = 0.1µF 10 AV = 10 CL = 0.1µF 0 0 0 10 100 1000 10000 100000 –10 –5 0 5 10 –10 –5 0 5 10 CAPACITIVE LOAD (pF) LOAD CURRENT (mA) LOAD CURRENT (mA) LT1218/19 • TPC20 LT1218/19 • TPC21 LT1218/19 • TPC22
Open-Loop Gain, VS =
±
15V Input Offset Drift vs Time THD + Noise vs Frequency
40 40 1 V V S = ±15V S = ±1.5V 30 V 30 IN = 2VP-P µV) R µV) L = 10k 20 20 0.1 10 10 RL = 10k VS = ±15V 0 0 AV = 1 R V L = 2k S = ±2.5V –10 –10 THD + NOISE (%) 0.01 –20 –20 A OFFSET VOLTAGE CHANGE ( V = –1 –30 CHANGE IN OFFSET VOLTAGE ( –30 –40 –40 0.001 –20 –15 –10 –5 0 5 10 15 20 0 20 40 60 80 100 120 140 160 180 200 0.01 0.1 1 10 OUTPUT VOLTAGE (V) TIME AFTER POWER-UP (SEC) FREQUENCY (kHz) LT1218/19 • TPC25 LT1218/19 • TPC23 LT1218/19 • TPC24 10