Datasheet LT1671 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | 60ns, Low Power, Single Supply, Ground-Sensing Comparator |
| Pages / Page | 12 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Negative Common Mode Limit vs. … |
| File Format / Size | PDF / 214 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Negative Common Mode Limit vs. Output Low Voltage (V. Output High Voltage (V. OL) vs. OH) vs
Model Line for this Datasheet
Text Version of Document
LT1671
W U TYPICAL PERFORMANCE CHARACTERISTICS Negative Common Mode Limit vs Output Low Voltage (V Output High Voltage (V OL) vs OH) vs Temperature Output Sink Current Output Source Current
1 0.8 5.0 RL = 1M VS = ±5V VS = ±5V 0 0.7 VIN = 30mV 4.5 VIN = –30mV VS = SINGLE 5V SUPPLY 0.6 4.0 –1 T T A = 125°C T A = –55°C A = 25°C 0.5 3.5 –2 T 0.4 T A = –55°C A = 125°C 3.0 –3 VOLTAGE (V) 0.3 TA = 25°C 2.5 INPUT VOLTAGE (V) –4 OUTPUT VOLTAGE (V) 0.2 2.0 V –5 S = ±5V 0.1 1.5 –6 0 1.0 –50 –25 0 25 50 75 100 125 0 2 4 6 8 10 12 14 0 2 4 6 8 10 12 14 TEMPERATURE (°C) OUTPUT SINK CURRENT (mA) OUTPUT SOURCE CURRENT (mA) 1671 G10 1671 G11 1671 G12
Positive Supply Current vs Positive Supply Current vs Negative Supply Current vs V + Supply Voltage Switching Frequency V – Supply Voltage
0.6 3.5 100 V– = 0V VS = ±5V V+ = 5V VIN = –60mV 3.0 VSTEP = ±50mV V 0.5 IN = –60mV IOUT = 0 IOUT = 0 90 IOUT = 0 2.5 0.4 µA) 2.0 80 0.3 TA = 25°C TA = 125°C 1.5 T T A = 125°C TA = –55°C 70 A = 125°C CURRENT (mA) CURRENT (mA) CURRENT ( 0.2 1.0 T T A = 25°C A = 25°C 60 0.1 0.5 TA = –55°C TA = –55°C 0 0 50 0 1 2 3 4 5 6 7 8 0.1 1 10 –8 –7 –6 –5 –4 –3 –2 –1 0 SUPPLY VOLTAGE (V) SWITCHING FREQUENCY (MHz) NEGATIVE SUPPLY VOLTAGE (V) 1671 G13 1671 G14 1671 G15
Response to 15MHz Latch Pin Current vs Temperature
±
10mV Sine Wave
1.0 VS = ±5V +IN 0.8 20mVP-P 10mV/DIV µA) 0.6 3V Q OUT 0.4 1V/DIV CURRENT ( 0V 0.2 50ns/DIV 1671 G17 0 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) 1671 G16 5
W U TYPICAL PERFORMANCE CHARACTERISTICS Negative Common Mode Limit vs Output Low Voltage (V Output High Voltage (V OL) vs OH) vs Temperature Output Sink Current Output Source Current
1 0.8 5.0 RL = 1M VS = ±5V VS = ±5V 0 0.7 VIN = 30mV 4.5 VIN = –30mV VS = SINGLE 5V SUPPLY 0.6 4.0 –1 T T A = 125°C T A = –55°C A = 25°C 0.5 3.5 –2 T 0.4 T A = –55°C A = 125°C 3.0 –3 VOLTAGE (V) 0.3 TA = 25°C 2.5 INPUT VOLTAGE (V) –4 OUTPUT VOLTAGE (V) 0.2 2.0 V –5 S = ±5V 0.1 1.5 –6 0 1.0 –50 –25 0 25 50 75 100 125 0 2 4 6 8 10 12 14 0 2 4 6 8 10 12 14 TEMPERATURE (°C) OUTPUT SINK CURRENT (mA) OUTPUT SOURCE CURRENT (mA) 1671 G10 1671 G11 1671 G12
Positive Supply Current vs Positive Supply Current vs Negative Supply Current vs V + Supply Voltage Switching Frequency V – Supply Voltage
0.6 3.5 100 V– = 0V VS = ±5V V+ = 5V VIN = –60mV 3.0 VSTEP = ±50mV V 0.5 IN = –60mV IOUT = 0 IOUT = 0 90 IOUT = 0 2.5 0.4 µA) 2.0 80 0.3 TA = 25°C TA = 125°C 1.5 T T A = 125°C TA = –55°C 70 A = 125°C CURRENT (mA) CURRENT (mA) CURRENT ( 0.2 1.0 T T A = 25°C A = 25°C 60 0.1 0.5 TA = –55°C TA = –55°C 0 0 50 0 1 2 3 4 5 6 7 8 0.1 1 10 –8 –7 –6 –5 –4 –3 –2 –1 0 SUPPLY VOLTAGE (V) SWITCHING FREQUENCY (MHz) NEGATIVE SUPPLY VOLTAGE (V) 1671 G13 1671 G14 1671 G15
Response to 15MHz Latch Pin Current vs Temperature
±
10mV Sine Wave
1.0 VS = ±5V +IN 0.8 20mVP-P 10mV/DIV µA) 0.6 3V Q OUT 0.4 1V/DIV CURRENT ( 0V 0.2 50ns/DIV 1671 G17 0 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) 1671 G16 5
