Datasheet LT1671 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 60ns, Low Power, Single Supply, Ground-Sensing Comparator |
| 页数 / 页 | 12 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS. Propagation Delay vs. Gain … |
| 文件格式/大小 | PDF / 214 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Propagation Delay vs. Gain Characteristics. Load Capacitance. Positive Supply Voltage
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LT1671
W U TYPICAL PERFORMANCE CHARACTERISTICS Propagation Delay vs Propagation Delay vs Gain Characteristics Load Capacitance Positive Supply Voltage
5.0 100 90 T V 4.5 A = 125°C S = ±5V RL = 1M FALLING EDGE (t FALLING EDGE (tPDHL) 4.0 TA = 25°C 90 PDHL) 80 3.5 TA = – 55°C 3.0 80 RISING EDGE (tPDLH) 2.5 RISING EDGE (tPDLH) 70 TIME (ns) 2.0 TIME (ns) 70 V V– = –5V OUTPUT VOLTAGE (V) 1.5 S = ±5V V 60 VSTEP = 100mV STEP = 100mV 1.0 60 V VOD = 5mV OD = 5mV TA = 25°C 0.5 TA = 25°C R RL = 1M L = 1M 0 50 50 –3 –2 –1 0 1 2 3 0 10 20 30 40 50 4.4 4.6 4.8 5.0 5.2 5.4 5.6 DIFFERENTIAL INPUT VOLTAGE (mV) OUTPUT LOAD CAPACITANCE (pF) POSITIVE SUPPLY VOLTAGE (V) 1671 G01 1671 G02 1671 G03
Propagation Delay vs Propagation Delay vs Propagation Delay vs Input Overdrive Source Resistance Temperature
140 200 100 VS = ±5V VS = ±5V t V 90 PDHL STEP = 100mV 180 RL = 1M 120 TA = 25°C VOD = 20mV STEP SIZE = 800mV 80 RL = 1M 160 TA = 25°C tPDLH 400mV 70 100 140 60 200mV 80 120 50 TIME (ns) TIME (ns) FALLING EDGE (t TIME (ns) 40 PDHL) 100 60 30 80 VS = ±5V STEP SIZE = 100mV 20 V 40 STEP = 100mV RISING EDGE (tPDLH) 60 V 10 OD = 5mV RL = 1M 20 40 0 0 10 20 30 40 50 0 5 10 15 –50 –25 0 25 50 75 100 125 OVERDRIVE (mV) SOURCE RESISTANCE (kΩ) TEMPERATURE (°C) 1671 TA02 1671 G05 1671 G06
Input Offset Voltage vs Input Bias Current vs Positive Common Mode Limit vs Temperature Temperature Temperature
4 500 6 V V V S = ±5V S = ±5V S = ±5V 3 R R R L = 1M L = 1M L = 1M 5 400 2 4 300 1 3 0 200 VCM = –5V VOLTAGE (mV) VOLTAGE (V) 2 –1 INPUT BIAS CURRENT (nA) V 100 CM = 0V –2 1 VCM = 3.5V –3 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1671 G07 1671 G08 1671 G09 4
W U TYPICAL PERFORMANCE CHARACTERISTICS Propagation Delay vs Propagation Delay vs Gain Characteristics Load Capacitance Positive Supply Voltage
5.0 100 90 T V 4.5 A = 125°C S = ±5V RL = 1M FALLING EDGE (t FALLING EDGE (tPDHL) 4.0 TA = 25°C 90 PDHL) 80 3.5 TA = – 55°C 3.0 80 RISING EDGE (tPDLH) 2.5 RISING EDGE (tPDLH) 70 TIME (ns) 2.0 TIME (ns) 70 V V– = –5V OUTPUT VOLTAGE (V) 1.5 S = ±5V V 60 VSTEP = 100mV STEP = 100mV 1.0 60 V VOD = 5mV OD = 5mV TA = 25°C 0.5 TA = 25°C R RL = 1M L = 1M 0 50 50 –3 –2 –1 0 1 2 3 0 10 20 30 40 50 4.4 4.6 4.8 5.0 5.2 5.4 5.6 DIFFERENTIAL INPUT VOLTAGE (mV) OUTPUT LOAD CAPACITANCE (pF) POSITIVE SUPPLY VOLTAGE (V) 1671 G01 1671 G02 1671 G03
Propagation Delay vs Propagation Delay vs Propagation Delay vs Input Overdrive Source Resistance Temperature
140 200 100 VS = ±5V VS = ±5V t V 90 PDHL STEP = 100mV 180 RL = 1M 120 TA = 25°C VOD = 20mV STEP SIZE = 800mV 80 RL = 1M 160 TA = 25°C tPDLH 400mV 70 100 140 60 200mV 80 120 50 TIME (ns) TIME (ns) FALLING EDGE (t TIME (ns) 40 PDHL) 100 60 30 80 VS = ±5V STEP SIZE = 100mV 20 V 40 STEP = 100mV RISING EDGE (tPDLH) 60 V 10 OD = 5mV RL = 1M 20 40 0 0 10 20 30 40 50 0 5 10 15 –50 –25 0 25 50 75 100 125 OVERDRIVE (mV) SOURCE RESISTANCE (kΩ) TEMPERATURE (°C) 1671 TA02 1671 G05 1671 G06
Input Offset Voltage vs Input Bias Current vs Positive Common Mode Limit vs Temperature Temperature Temperature
4 500 6 V V V S = ±5V S = ±5V S = ±5V 3 R R R L = 1M L = 1M L = 1M 5 400 2 4 300 1 3 0 200 VCM = –5V VOLTAGE (mV) VOLTAGE (V) 2 –1 INPUT BIAS CURRENT (nA) V 100 CM = 0V –2 1 VCM = 3.5V –3 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1671 G07 1671 G08 1671 G09 4