Datasheet LT1711, LT1712 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Single/Dual 4.5ns, 3V/5V/±5V, Rail-to-Rail Comparators |
| 页数 / 页 | 12 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Input Offset Voltage vs. Propagation … |
| 文件格式/大小 | PDF / 226 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. Input Offset Voltage vs. Propagation Delay. Propagation Delay vs. Temperature
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文件文字版本
LT1711/LT1712
W U TYPICAL PERFOR A CE CHARACTERISTICS Input Offset Voltage vs Propagation Delay Propagation Delay vs Temperature vs Load Capacitance Temperature
2.5 10 8 V+ = 5V TA = 25°C 2.0 V – = 0V V+ = 5V 9 7 t – 1.5 V – = 0V t + PD PD VCM = 2.5V 6 1.0 8 VOD = 20mV VCM = 5V VSTEP = 100mV + 0.5 5 tPD 7 – 0 VCM = 2.5V tPD 4 6 – 0.5 VCM = 0V 3 V+ = 5V – 1.0 5 V – = 0V PROPAGATION DELAY (ns) PROPAGATION DELAY (ns) 2 VCM = 2.5V INPUT OFFSET VOLTAGE (mV) – 1.5 V 4 OD = 20mV – 2.0 1 VSTEP = 100mV CLOAD = 10pF – 2.5 3 0 –50 –25 0 25 50 75 100 125 0 20 40 60 80 100 120 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) LOAD CAPACITANCE (pF) TEMPERATURE (°C) 171112 G01 171112 G02 171112 G03
Propagation Delay Propagation Delay Positive Supply Current vs Input Common Mode Voltage vs Positive Supply Voltage vs Positive Supply Voltage
6.0 6.0 25 TA = 25°C TA = 25°C V – = 0V V+ = 5V V – = 0V V – = – 5V 5.5 V – = 0V 5.5 VCM = 2.5V V 20 OD = 20mV VOD = 20mV + V t STEP = 100mV V PD STEP = 100mV 5.0 C 5.0 LOAD = 10pF CLOAD = 10pF t + PD 15 4.5 4.5 t – PD 10 4.0 4.0 t – PD PROPAGATION DELAY (ns) PROPAGATION DELAY (ns) 5 3.5 3.5 I+ AT –55°C ∆VIN = 100mV I+ AT 25°C IOUT = 0mA I+ AT 85°C 3.0 3.0 0 –1 0 1 2 3 4 5 6 0 2 4 6 8 10 0 2 4 6 8 10 12 POSITIVE SUPPLY CURRENT (PER COMPARATOR) (mA) INPUT COMMON MODE (V) POSITIVE SUPPLY VOLTAGE (V) POSITIVE SUPPLY VOLTAGE (V) 171112 G04 171112 G05 171112 G06
Positive Supply Current Negative Supply Current Input Bias Current vs Switching Frequency vs Negative Supply Voltage vs Input Common Mode Voltage
40 14 10 TA = 25°C V += 5V V+ = 5V V+ = 5V ∆VIN = 100mV V – = 0V V – = 0V 12 IOUT = 0mA ∆V 4 IN = 0mV 30 CLOAD = 10pF 10 µA) –2 8 20 6 –8 4 10 INPUT BIAS CURRENT ( I – AT –55°C –14 I 2 B AT –55°C I – AT 25°C IB AT 25°C I – AT 85°C IB AT 125°C 0 0 –20 0 10 20 30 40 50 60 0 – 1 – 2 – 3 – 4 – 5 – 6 – 7 –1 0 1 2 3 4 5 6 POSITIVE SUPPLY CURRENT (PER COMPARATOR) (mA) NEGATIVE SUPPLY CURRENT (PER COMPARATOR) (mA) SWITCHING FREQUENCY (MHz) NEGATIVE SUPPLY VOLTAGE (V) INPUT COMMON MODE VOLTAGE (V) 171112 G07 171112 G08 171112 G09 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Input Offset Voltage vs Propagation Delay Propagation Delay vs Temperature vs Load Capacitance Temperature
2.5 10 8 V+ = 5V TA = 25°C 2.0 V – = 0V V+ = 5V 9 7 t – 1.5 V – = 0V t + PD PD VCM = 2.5V 6 1.0 8 VOD = 20mV VCM = 5V VSTEP = 100mV + 0.5 5 tPD 7 – 0 VCM = 2.5V tPD 4 6 – 0.5 VCM = 0V 3 V+ = 5V – 1.0 5 V – = 0V PROPAGATION DELAY (ns) PROPAGATION DELAY (ns) 2 VCM = 2.5V INPUT OFFSET VOLTAGE (mV) – 1.5 V 4 OD = 20mV – 2.0 1 VSTEP = 100mV CLOAD = 10pF – 2.5 3 0 –50 –25 0 25 50 75 100 125 0 20 40 60 80 100 120 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) LOAD CAPACITANCE (pF) TEMPERATURE (°C) 171112 G01 171112 G02 171112 G03
Propagation Delay Propagation Delay Positive Supply Current vs Input Common Mode Voltage vs Positive Supply Voltage vs Positive Supply Voltage
6.0 6.0 25 TA = 25°C TA = 25°C V – = 0V V+ = 5V V – = 0V V – = – 5V 5.5 V – = 0V 5.5 VCM = 2.5V V 20 OD = 20mV VOD = 20mV + V t STEP = 100mV V PD STEP = 100mV 5.0 C 5.0 LOAD = 10pF CLOAD = 10pF t + PD 15 4.5 4.5 t – PD 10 4.0 4.0 t – PD PROPAGATION DELAY (ns) PROPAGATION DELAY (ns) 5 3.5 3.5 I+ AT –55°C ∆VIN = 100mV I+ AT 25°C IOUT = 0mA I+ AT 85°C 3.0 3.0 0 –1 0 1 2 3 4 5 6 0 2 4 6 8 10 0 2 4 6 8 10 12 POSITIVE SUPPLY CURRENT (PER COMPARATOR) (mA) INPUT COMMON MODE (V) POSITIVE SUPPLY VOLTAGE (V) POSITIVE SUPPLY VOLTAGE (V) 171112 G04 171112 G05 171112 G06
Positive Supply Current Negative Supply Current Input Bias Current vs Switching Frequency vs Negative Supply Voltage vs Input Common Mode Voltage
40 14 10 TA = 25°C V += 5V V+ = 5V V+ = 5V ∆VIN = 100mV V – = 0V V – = 0V 12 IOUT = 0mA ∆V 4 IN = 0mV 30 CLOAD = 10pF 10 µA) –2 8 20 6 –8 4 10 INPUT BIAS CURRENT ( I – AT –55°C –14 I 2 B AT –55°C I – AT 25°C IB AT 25°C I – AT 85°C IB AT 125°C 0 0 –20 0 10 20 30 40 50 60 0 – 1 – 2 – 3 – 4 – 5 – 6 – 7 –1 0 1 2 3 4 5 6 POSITIVE SUPPLY CURRENT (PER COMPARATOR) (mA) NEGATIVE SUPPLY CURRENT (PER COMPARATOR) (mA) SWITCHING FREQUENCY (MHz) NEGATIVE SUPPLY VOLTAGE (V) INPUT COMMON MODE VOLTAGE (V) 171112 G07 171112 G08 171112 G09 5