Datasheet LT1394 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | 7ns, Low Power, Single Supply, Ground-Sensing Comparator |
| Pages / Page | 16 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Negative Common Mode Limit vs. … |
| File Format / Size | PDF / 228 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Negative Common Mode Limit vs. Output Low Voltage (V. Output High Voltage (V. OL) vs. OH) vs
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LT1394
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 VS = ±5V VS = ±5V 0 V 0.7 ∆V 4.5 ∆V S = SINGLE 5V IN = 30mV IN = –30mV 0.6 4.0 –1 TA = 125°C 0.5 3.5 –2 TA = 125°C TA = 25°C 0.4 3.0 –3 TA = –55°C VOLTAGE (V) T 0.3 T A = 25°C A = –55°C 2.5 INPUT VOLTAGE (V) –4 OUTPUT VOLTAGE (V) 0.2 2.0 –5 VS = ±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 16 0 2 4 6 8 10 12 14 16 TEMPERATURE (°C) OUTPUT SINK CURRENT (mA) OUTPUT SOURCE CURRENT (mA) LT1394 G09 1394 G10 1394 G11
Positive Supply Current vs Positive Supply Current vs Negative Supply Current vs V+ Supply Voltage Switching Frequency V – Supply Voltage
10 16 4 V– = 0V V 9 S = ±5V T V+ A = 25°C = 5V VIN = –60mV 14 ∆VIN = –60mV 8 IOUT = 0 12 3 7 10 6 T T A = 125°C A = 125°C 5 8 2 TA = 125°C 4 6 CURRENT (mA) T T A = 25°C CURRENT (mA) CURRENT (mA) A = 25°C 3 T T A = –55°C A = –55°C 4 1 TA = –55°C 2 2 1 0 0 0 0 1 2 3 4 5 6 7 8 1 10 100 –8 –7 –6 –5 –4 –3 –2 –1 0 SUPPLY VOLTAGE (V) SWITCHING FREQUENCY (MHz) NEGATIVE SUPPLY VOLTAGE (V) 1394 G12 1394 G13 1394 G14
Latch Pin Current vs Temperature Response to 100MHz
±
10mV
8
Sine Wave
VS = ±5V 7 VLATCH = 0V 6 + IN 10mV/DIV 5 20mV µA) P-P 4 3V 3 CURRENT ( Q 1V/DIV OUT 2 0V 1 FET PROBES 5ns/DIV 1394 G16 0 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) LT1394 G15 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 VS = ±5V VS = ±5V 0 V 0.7 ∆V 4.5 ∆V S = SINGLE 5V IN = 30mV IN = –30mV 0.6 4.0 –1 TA = 125°C 0.5 3.5 –2 TA = 125°C TA = 25°C 0.4 3.0 –3 TA = –55°C VOLTAGE (V) T 0.3 T A = 25°C A = –55°C 2.5 INPUT VOLTAGE (V) –4 OUTPUT VOLTAGE (V) 0.2 2.0 –5 VS = ±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 16 0 2 4 6 8 10 12 14 16 TEMPERATURE (°C) OUTPUT SINK CURRENT (mA) OUTPUT SOURCE CURRENT (mA) LT1394 G09 1394 G10 1394 G11
Positive Supply Current vs Positive Supply Current vs Negative Supply Current vs V+ Supply Voltage Switching Frequency V – Supply Voltage
10 16 4 V– = 0V V 9 S = ±5V T V+ A = 25°C = 5V VIN = –60mV 14 ∆VIN = –60mV 8 IOUT = 0 12 3 7 10 6 T T A = 125°C A = 125°C 5 8 2 TA = 125°C 4 6 CURRENT (mA) T T A = 25°C CURRENT (mA) CURRENT (mA) A = 25°C 3 T T A = –55°C A = –55°C 4 1 TA = –55°C 2 2 1 0 0 0 0 1 2 3 4 5 6 7 8 1 10 100 –8 –7 –6 –5 –4 –3 –2 –1 0 SUPPLY VOLTAGE (V) SWITCHING FREQUENCY (MHz) NEGATIVE SUPPLY VOLTAGE (V) 1394 G12 1394 G13 1394 G14
Latch Pin Current vs Temperature Response to 100MHz
±
10mV
8
Sine Wave
VS = ±5V 7 VLATCH = 0V 6 + IN 10mV/DIV 5 20mV µA) P-P 4 3V 3 CURRENT ( Q 1V/DIV OUT 2 0V 1 FET PROBES 5ns/DIV 1394 G16 0 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) LT1394 G15 5
