Datasheet LT1719 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 4.5ns Single/Dual Supply 3V/5V Comparator with Rail-to-Rail Output |
| Pages / Page | 22 / 3 — ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply … |
| File Format / Size | PDF / 220 Kb |
| Document Language | English |
ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply over the full operating
Model Line for this Datasheet
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LT1719
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VCM = 1V, VSHDN = 0.5V, VOVERDRIVE = 20mV, COUT = 10pF and for the LT1719S8 VCC = +VS = 5V and VEE = –5V, for the LT1719S6 V+ = 5V, V– = 0V, unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC – VEE Input Supply Voltage
(LT1719S8 Only) l 2.7 10.5 V + VS Output Supply Voltage
(LT1719S8 Only) l 2.7 6 V V+ – V– Supply Voltage
(LT1719CS6 Only) l 2.7 6 V VCMR Input Voltage Range (Note 2)
(LT1719S8) l VEE – 0.1 VCC – 1.2 V
(LT1719S6) l V– – 0.1 V+ – 1.2 V V + TRIP Input Trip Points (Note 3) l –1.5 5.5 mV V – TRIP l –5.5 1.5 mV VOS Input Offset Voltage (Note 3) 0.4 2.5 mV l 3.5 mV VHYST Input Hysteresis Voltage (Note 3) l 2.0 3.5 7 mV ΔVOS/ΔT Input Offset Voltage Drift l 10 μV/°C IB Input Bias Current l –6 –2.5 0 μA IOS Input Offset Current l 0.2 0.6 μA CMRR Common Mode Rejection Ratio (Note 4)
(LT1719S8) l 55 70 dB (Note 5)
(LT1719S6) l 55 65 dB PSRR Power Supply Rejection Ratio (Note 6)
(LT1719S8) 65 80 dB (Note 7)
(LT1719S6) 65 80 dB AV Voltage Gain (Note 8) ∞ V + OH Output High Voltage ISOURCE = 4mA, VIN = VTRIP + 10mV
(LT1719S8) l +VS – 0.4 V
(LT1719S6) l V+ – 0.4 V V – OL Output Low Voltage ISINK = 10mA, VIN = VTRIP – 10mV l 0.4 V tPD20 Propagation Delay VOVERDRIVE = 20mV (Note 9)
VEE = 0V(LT1719S8) 4.5 6.5 ns
V– = 0V(LT1719S6) l 8.0 ns VOVERDRIVE = 20mV, VEE = –5V
(LT1719S8 Only) 4.2 ns tPD5 Propagation Delay VOVERDRIVE = 5mV (Notes 9, 10) VEE = 0V(LT1719S8) 7 10 ns
V– = 0V(LT1719S6) l 13 ns tSKEW Propagation Delay Skew (Note 11) 0.5 1.5 ns tr Output Rise Time 10% to 90% 2.5 ns tf Output Fall Time 90% to 10% 2.2 ns t + JITTER Output Timing Jitter VIN = 1.2VP-P (6dBm), ZIN = 50Ω
tPD 15 psRMS f = 20MHz
t – PD 11 psRMS fMAX Maximum Toggle Frequency VOVERDRIVE = 50mV, +VS or V+ = 3V 70 MHz VOVERDRIVE = 50mV, +VS or V+ = 5V 62.5 MHz tOFF Turn-Off Delay Time to ZOUT ≥10kΩ 75 ns tON Wake-Up Delay Time to VOH or VOL, ILOAD = 1mA 350 ns ICC Positive Input Stage Supply Current + VS = VCC = 5V, VEE = –5V l 1 2.2 mA
(LT1719S8 Only) + VS = VCC = 3V, VEE = 0V l 0.9 1.8 mA IEE Negative Input Stage Supply Current + VS = VCC = 5V, VEE = –5V l –4.8 –2.6 mA
(LT1719S8 Only) + VS = VCC = 3V, VEE = 0V l –3.8 –2.2 mA 1719fa 3
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VCM = 1V, VSHDN = 0.5V, VOVERDRIVE = 20mV, COUT = 10pF and for the LT1719S8 VCC = +VS = 5V and VEE = –5V, for the LT1719S6 V+ = 5V, V– = 0V, unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC – VEE Input Supply Voltage
(LT1719S8 Only) l 2.7 10.5 V + VS Output Supply Voltage
(LT1719S8 Only) l 2.7 6 V V+ – V– Supply Voltage
(LT1719CS6 Only) l 2.7 6 V VCMR Input Voltage Range (Note 2)
(LT1719S8) l VEE – 0.1 VCC – 1.2 V
(LT1719S6) l V– – 0.1 V+ – 1.2 V V + TRIP Input Trip Points (Note 3) l –1.5 5.5 mV V – TRIP l –5.5 1.5 mV VOS Input Offset Voltage (Note 3) 0.4 2.5 mV l 3.5 mV VHYST Input Hysteresis Voltage (Note 3) l 2.0 3.5 7 mV ΔVOS/ΔT Input Offset Voltage Drift l 10 μV/°C IB Input Bias Current l –6 –2.5 0 μA IOS Input Offset Current l 0.2 0.6 μA CMRR Common Mode Rejection Ratio (Note 4)
(LT1719S8) l 55 70 dB (Note 5)
(LT1719S6) l 55 65 dB PSRR Power Supply Rejection Ratio (Note 6)
(LT1719S8) 65 80 dB (Note 7)
(LT1719S6) 65 80 dB AV Voltage Gain (Note 8) ∞ V + OH Output High Voltage ISOURCE = 4mA, VIN = VTRIP + 10mV
(LT1719S8) l +VS – 0.4 V
(LT1719S6) l V+ – 0.4 V V – OL Output Low Voltage ISINK = 10mA, VIN = VTRIP – 10mV l 0.4 V tPD20 Propagation Delay VOVERDRIVE = 20mV (Note 9)
VEE = 0V(LT1719S8) 4.5 6.5 ns
V– = 0V(LT1719S6) l 8.0 ns VOVERDRIVE = 20mV, VEE = –5V
(LT1719S8 Only) 4.2 ns tPD5 Propagation Delay VOVERDRIVE = 5mV (Notes 9, 10) VEE = 0V(LT1719S8) 7 10 ns
V– = 0V(LT1719S6) l 13 ns tSKEW Propagation Delay Skew (Note 11) 0.5 1.5 ns tr Output Rise Time 10% to 90% 2.5 ns tf Output Fall Time 90% to 10% 2.2 ns t + JITTER Output Timing Jitter VIN = 1.2VP-P (6dBm), ZIN = 50Ω
tPD 15 psRMS f = 20MHz
t – PD 11 psRMS fMAX Maximum Toggle Frequency VOVERDRIVE = 50mV, +VS or V+ = 3V 70 MHz VOVERDRIVE = 50mV, +VS or V+ = 5V 62.5 MHz tOFF Turn-Off Delay Time to ZOUT ≥10kΩ 75 ns tON Wake-Up Delay Time to VOH or VOL, ILOAD = 1mA 350 ns ICC Positive Input Stage Supply Current + VS = VCC = 5V, VEE = –5V l 1 2.2 mA
(LT1719S8 Only) + VS = VCC = 3V, VEE = 0V l 0.9 1.8 mA IEE Negative Input Stage Supply Current + VS = VCC = 5V, VEE = –5V l –4.8 –2.6 mA
(LT1719S8 Only) + VS = VCC = 3V, VEE = 0V l –3.8 –2.2 mA 1719fa 3
