Datasheet LT1715 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 4ns, 150MHz Dual Comparator with Independent Input/Output Supplies |
| 页数 / 页 | 20 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Maximum Toggle Rate. vs Input … |
| 文件格式/大小 | PDF / 255 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Maximum Toggle Rate. vs Input Amplitude. vs Temperature. vs Supply Voltage
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LT1715
TYPICAL PERFORMANCE CHARACTERISTICS Maximum Toggle Rate Maximum Toggle Rate Maximum Toggle Rate vs Input Amplitude vs Temperature vs Supply Voltage
180 250 250 TA = 25°C TA = 25°C 160 +V 230 TOGGLING FROM S = VCC = 5V VIN = ±50mV SINUSOID 225 V 1V TO +V EE = GND +V 210 S = VCC = 5V S – 1V 140 CLOAD = 10pF VEE = –5V 200 190 CLOAD = 10pF 120 RLOAD = 500Ω 170 175 100 TOGGLING FROM 150 150 20% TO 80% OF +VS 80 130 125 60 110 TOGGLE FREQUENCY (MHz) 40 TOGGLE FREQUENCY (MHz) 100 T 90 TOGGLE FREQUENCY (MHz) A = 25°C VIN = ±50mV SINUSOID 20 70 75 VEE = GND CLOAD = 10pF 0 50 50 1 10 100 –50 –25 0 25 50 75 100 125 2 3 4 5 6 INPUT SINUSOID AMPLITUDE (mV) TEMPERATURE (°C) +VS = VCC SUPPLY VOLTAGE (V) 1715 G13 1715 G14 1715 G15
Maximum Toggle Rate Propagation Delay Response to 150MHz 25mVP-P vs Load Capacitance vs Load Capacitance Sine Wave Driving 10pF
250 8 TA = 25°C TA = 25°C NA 225 VIN = ±50mV SINUSOID VSTEP = 100mV 25mVP-P 20mV/DIV +VS = VCC = 5V OVERDRIVE = 20mV 7 200 VEE = GND +VS = VCC = 5V 5V VEE = –5V 175 6 RISING EDGE OUT A 150 (t 1V/DIV PDLH) 125 5 FALLING EDGE (tPDHL) 0V 100 TOGGLE FREQUENCY (MHz) PROPAGATION DELAY (ns) 4 75 2.5ns/DIV FET PROBES 1715 G18 50 3 VCC = 5V 0 5 10 15 20 25 30 35 40 45 50 0 10 20 30 40 50 VEE = –5V +V OUTPUT CAPACITANCE (pF) OUTPUT LOAD CAPACITANCE (pF) S = 5V VCM = 0V 1715 G16 1715 G17
PIN FUNCTIONS +IN A (Pin 1):
Noninverting Input of Comparator A.
GND (Pin 6):
Ground for Output Stage.
–IN A (Pin 2):
Inverting Input of Comparator A.
OUT B (Pin 7):
Output of Comparator B.
–IN B (Pin 3):
Inverting Input of Comparator B.
OUT A (Pin 8):
Output of Comparator A.
+IN B (Pin 4):
Noninverting Input of Comparator B.
+VS (Pin 9):
Positive Supply Voltage for Output Stage.
VEE (Pin 5):
Negative Supply Voltage for Input Stage and
VCC (Pin 10):
Positive Supply Voltage for Input Stage. Substrate. 1715fa 6
TYPICAL PERFORMANCE CHARACTERISTICS Maximum Toggle Rate Maximum Toggle Rate Maximum Toggle Rate vs Input Amplitude vs Temperature vs Supply Voltage
180 250 250 TA = 25°C TA = 25°C 160 +V 230 TOGGLING FROM S = VCC = 5V VIN = ±50mV SINUSOID 225 V 1V TO +V EE = GND +V 210 S = VCC = 5V S – 1V 140 CLOAD = 10pF VEE = –5V 200 190 CLOAD = 10pF 120 RLOAD = 500Ω 170 175 100 TOGGLING FROM 150 150 20% TO 80% OF +VS 80 130 125 60 110 TOGGLE FREQUENCY (MHz) 40 TOGGLE FREQUENCY (MHz) 100 T 90 TOGGLE FREQUENCY (MHz) A = 25°C VIN = ±50mV SINUSOID 20 70 75 VEE = GND CLOAD = 10pF 0 50 50 1 10 100 –50 –25 0 25 50 75 100 125 2 3 4 5 6 INPUT SINUSOID AMPLITUDE (mV) TEMPERATURE (°C) +VS = VCC SUPPLY VOLTAGE (V) 1715 G13 1715 G14 1715 G15
Maximum Toggle Rate Propagation Delay Response to 150MHz 25mVP-P vs Load Capacitance vs Load Capacitance Sine Wave Driving 10pF
250 8 TA = 25°C TA = 25°C NA 225 VIN = ±50mV SINUSOID VSTEP = 100mV 25mVP-P 20mV/DIV +VS = VCC = 5V OVERDRIVE = 20mV 7 200 VEE = GND +VS = VCC = 5V 5V VEE = –5V 175 6 RISING EDGE OUT A 150 (t 1V/DIV PDLH) 125 5 FALLING EDGE (tPDHL) 0V 100 TOGGLE FREQUENCY (MHz) PROPAGATION DELAY (ns) 4 75 2.5ns/DIV FET PROBES 1715 G18 50 3 VCC = 5V 0 5 10 15 20 25 30 35 40 45 50 0 10 20 30 40 50 VEE = –5V +V OUTPUT CAPACITANCE (pF) OUTPUT LOAD CAPACITANCE (pF) S = 5V VCM = 0V 1715 G16 1715 G17
PIN FUNCTIONS +IN A (Pin 1):
Noninverting Input of Comparator A.
GND (Pin 6):
Ground for Output Stage.
–IN A (Pin 2):
Inverting Input of Comparator A.
OUT B (Pin 7):
Output of Comparator B.
–IN B (Pin 3):
Inverting Input of Comparator B.
OUT A (Pin 8):
Output of Comparator A.
+IN B (Pin 4):
Noninverting Input of Comparator B.
+VS (Pin 9):
Positive Supply Voltage for Output Stage.
VEE (Pin 5):
Negative Supply Voltage for Input Stage and
VCC (Pin 10):
Positive Supply Voltage for Input Stage. Substrate. 1715fa 6