Datasheet LT6220, LT6221, LT6222 (Analog Devices) - 13
| 制造商 | Analog Devices |
| 描述 | Single/Dual/Quad 60MHz, 20V/µs, Low Power, Rail-to-Rail Input and Output Precision Op Amps |
| 页数 / 页 | 22 / 13 — Typical perForMance characTerisTics. ±5V Large-Signal Response. ±5V … |
| 文件格式/大小 | PDF / 373 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. ±5V Large-Signal Response. ±5V Small-Signal Response. Output Overdriven Recovery
该数据表的模型线
- LT6220CS5#PBF LT6220CS5#TRMPBF LT6220CS5#TRPBF LT6220CS8#PBF LT6220CS8#TRPBF LT6220IS5#PBF LT6220IS5#TRMPBF LT6220IS5#TRPBF LT6220IS8#PBF LT6220IS8#TRPBF
文件文字版本
LT6220/LT6221/LT6222
Typical perForMance characTerisTics ±5V Large-Signal Response ±5V Small-Signal Response Output Overdriven Recovery
VIN 1V/DIV 2V/DIV 50mV/DIV 0V 0V 0V VOUT 2V/DIV 0V VS = ±5V 200ns/DIV 622012 G38 VS = ±5V 50ns/DIV 622012 G39 VS = 5V, 0V 200ns/DIV 622012 G40 AV = 1 AV = 1 AV = 2 RL = 1k RL = 1k RL = 1k
applicaTions inForMaTion Circuit Description
tail current, I1, to the current mirror, Q6/Q7, activating the The LT6220/LT6221/LT6222 have an input and output NPN differential pair and the PNP pair becomes inactive signal range that covers from the negative power supply for the rest of the input common mode range up to the to the positive power supply. Figure 1 depicts a simplified positive supply. Also, at the input stage, devices Q17 to schematic of the amplifier. The input stage comprises Q19 act to cancel the bias current of the PNP input pair. two differential amplifiers, a PNP stage, Q1/Q2, and an When Q1/Q2 are active, the current in Q16 is controlled NPN stage, Q3/Q4, that are active over different ranges to be the same as the current Q1/Q2. Thus, the base cur- of common mode input voltage. The PNP stage is active rent of Q16 is nominally equal to the base current of the between the negative supply to approximately 1.2V below input devices. The base current of Q16 is then mirrored by the positive supply. As the input voltage moves closer devices Q17-Q19 to cancel the base current of the input toward the positive supply, the transistor Q5 will steer the devices Q1/Q2. V+ R3 R4 R5 V+ V– + D1 + ESDD1 ESDD2 Q12 I2 I1 Q11 Q13 Q15 +IN C2 + D6 D8 Q5 VBIAS D2 I3 OUT D5 D7 CC V– –IN Q4 Q3 Q1 Q2 D3 ESDD4 ESDD3 BUFFER AND OUTPUT BIAS Q10 V+ V– D4 Q9 Q16 Q8 C1 Q17 Q18 Q19 Q7 Q6 Q14 R1 R2 V– 622012 F01
Figure 1. LT6220/LT6221/LT6222 Simplified Schematic Diagram
622012fc For more information www.linear.com/LT6220/LT6221/LT6222 13 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics ±5V Large-Signal Response ±5V Small-Signal Response Output Overdriven Recovery
VIN 1V/DIV 2V/DIV 50mV/DIV 0V 0V 0V VOUT 2V/DIV 0V VS = ±5V 200ns/DIV 622012 G38 VS = ±5V 50ns/DIV 622012 G39 VS = 5V, 0V 200ns/DIV 622012 G40 AV = 1 AV = 1 AV = 2 RL = 1k RL = 1k RL = 1k
applicaTions inForMaTion Circuit Description
tail current, I1, to the current mirror, Q6/Q7, activating the The LT6220/LT6221/LT6222 have an input and output NPN differential pair and the PNP pair becomes inactive signal range that covers from the negative power supply for the rest of the input common mode range up to the to the positive power supply. Figure 1 depicts a simplified positive supply. Also, at the input stage, devices Q17 to schematic of the amplifier. The input stage comprises Q19 act to cancel the bias current of the PNP input pair. two differential amplifiers, a PNP stage, Q1/Q2, and an When Q1/Q2 are active, the current in Q16 is controlled NPN stage, Q3/Q4, that are active over different ranges to be the same as the current Q1/Q2. Thus, the base cur- of common mode input voltage. The PNP stage is active rent of Q16 is nominally equal to the base current of the between the negative supply to approximately 1.2V below input devices. The base current of Q16 is then mirrored by the positive supply. As the input voltage moves closer devices Q17-Q19 to cancel the base current of the input toward the positive supply, the transistor Q5 will steer the devices Q1/Q2. V+ R3 R4 R5 V+ V– + D1 + ESDD1 ESDD2 Q12 I2 I1 Q11 Q13 Q15 +IN C2 + D6 D8 Q5 VBIAS D2 I3 OUT D5 D7 CC V– –IN Q4 Q3 Q1 Q2 D3 ESDD4 ESDD3 BUFFER AND OUTPUT BIAS Q10 V+ V– D4 Q9 Q16 Q8 C1 Q17 Q18 Q19 Q7 Q6 Q14 R1 R2 V– 622012 F01
Figure 1. LT6220/LT6221/LT6222 Simplified Schematic Diagram
622012fc For more information www.linear.com/LT6220/LT6221/LT6222 13 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Applications Information Typical Applications Package Description Revision History Typical Application Related Parts