Datasheet LT1394 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | 7ns, Low Power, Single Supply, Ground-Sensing Comparator |
| Pages / Page | 16 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS. Propagation Delay vs. Gain … |
| File Format / Size | PDF / 228 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Propagation Delay vs. Gain Characteristics. Load Capacitance. Positive Supply Voltage
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LT1394
W U TYPICAL PERFORMANCE CHARACTERISTICS Propagation Delay vs Propagation Delay vs Gain Characteristics Load Capacitance Positive Supply Voltage
5.0 12 12 4.5 VS = ±5V IOUT = 0 TA = 125°C 10 10 4.0 tPDLH TA = 25°C tPDHL 3.5 8 8 tPDHL 3.0 2.5 6 6 tPDLH TA = –55°C TIME (ns) TIME (ns) 2.0 4 4 I 1.5 OUT = 0 OUTPUT VOLTAGE (V) V V– = –5V S = ±5V 1.0 2 TA = 25°C 2 TA = 25°C V V STEP = 100mV STEP = 100mV 0.5 OVERDRIVE = 5mV OVERDRIVE = 5mV 0 0 0 –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) 1394 G01 1394 G02 1394 G03
Propagation Delay vs Propagation Delay vs Propagation Delay vs Input Overdrive Source Resistance Temperature
12 80 12 T V V A = 25°C S = ±5V S = ±5V V 70 V V STEP = 100mV OD = 20mV STEP = 100mV 10 10 V T V S = ±5V A = 25°C OD = 5mV 60 tPDLH 8 8 50 tPDHL tPDLH 6 40 6 400mV t TIME (ns) PDHL TIME (ns) TIME (ns) 30 STEP SIZE = 800mV 4 4 20 2 200mV 2 10 100mV 0 0 0 0 10 20 30 40 50 0 0.5 1.0 1.5 2.0 2.5 3.0 –50 –25 0 25 50 75 100 125 OVERDRIVE (mV) SOURCE RESISTANCE (kΩ) TEMPERATURE (°C) 1394 G04 1394 TA02 1394 G05
Input Offset Voltage vs Input Bias Current vs Positive Common Mode Limit vs Temperature Temperature Temperature
2 4 6 V V S = ±5V VS = ±5V S = ±5V 1 5 3 µA) 0 4 –1 VCM = –5V 2 3 –2 V VOLTAGE (mV) CM = 0V VOLTAGE (V) 2 –3 1 INPUT BIAS CURRENT ( VCM = 3.5V –4 1 –5 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) LT1394 G06 LT1394 G07 1394 G08 4
W U TYPICAL PERFORMANCE CHARACTERISTICS Propagation Delay vs Propagation Delay vs Gain Characteristics Load Capacitance Positive Supply Voltage
5.0 12 12 4.5 VS = ±5V IOUT = 0 TA = 125°C 10 10 4.0 tPDLH TA = 25°C tPDHL 3.5 8 8 tPDHL 3.0 2.5 6 6 tPDLH TA = –55°C TIME (ns) TIME (ns) 2.0 4 4 I 1.5 OUT = 0 OUTPUT VOLTAGE (V) V V– = –5V S = ±5V 1.0 2 TA = 25°C 2 TA = 25°C V V STEP = 100mV STEP = 100mV 0.5 OVERDRIVE = 5mV OVERDRIVE = 5mV 0 0 0 –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) 1394 G01 1394 G02 1394 G03
Propagation Delay vs Propagation Delay vs Propagation Delay vs Input Overdrive Source Resistance Temperature
12 80 12 T V V A = 25°C S = ±5V S = ±5V V 70 V V STEP = 100mV OD = 20mV STEP = 100mV 10 10 V T V S = ±5V A = 25°C OD = 5mV 60 tPDLH 8 8 50 tPDHL tPDLH 6 40 6 400mV t TIME (ns) PDHL TIME (ns) TIME (ns) 30 STEP SIZE = 800mV 4 4 20 2 200mV 2 10 100mV 0 0 0 0 10 20 30 40 50 0 0.5 1.0 1.5 2.0 2.5 3.0 –50 –25 0 25 50 75 100 125 OVERDRIVE (mV) SOURCE RESISTANCE (kΩ) TEMPERATURE (°C) 1394 G04 1394 TA02 1394 G05
Input Offset Voltage vs Input Bias Current vs Positive Common Mode Limit vs Temperature Temperature Temperature
2 4 6 V V S = ±5V VS = ±5V S = ±5V 1 5 3 µA) 0 4 –1 VCM = –5V 2 3 –2 V VOLTAGE (mV) CM = 0V VOLTAGE (V) 2 –3 1 INPUT BIAS CURRENT ( VCM = 3.5V –4 1 –5 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) LT1394 G06 LT1394 G07 1394 G08 4
