Datasheet LT1711, LT1712 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Single/Dual 4.5ns, 3V/5V/±5V, Rail-to-Rail Comparators |
| Pages / Page | 12 / 3 — ELECTRICAL CHARACTERISTICS The |
| File Format / Size | PDF / 226 Kb |
| Document Language | English |
ELECTRICAL CHARACTERISTICS The
Model Line for this Datasheet
Text Version of Document
LT1711/LT1712
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. V+ = 2.7V or V+ = 5V, V– = 0V, VCM = V+/2, VLATCH = 0.8V, CLOAD = 10pF, VOVERDRIVE = 20mV, unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PSRR– Negative Power Supply Rejection Ratio – 7V ≤ V– ≤ 0V, V + = 5V, VCM = 5V 60 80 dB ● 58 dB AV Small-Signal Voltage Gain (Note 10) 1 15 V/mV VOH Output Voltage Swing HIGH IOUT = 1mA, VOVERDRIVE = 50mV ● V+– 0.5 V+– 0.2 V IOUT = 10mA, VOVERDRIVE = 50mV ● V+– 0.7 V+– 0.4 V VOL Output Voltage Swing LOW IOUT = – 1mA, VOVERDRIVE = 50mV ● 0.20 0.4 V IOUT = – 10mA, VOVERDRIVE = 50mV ● 0.35 0.5 V I+ Positive Supply Current (Per Comparator) V+ = 5V, VOVERDRIVE = 1V 15 19 mA ● 26 mA I– Negative Supply Current (Per Comparator) V+ = 5V, VOVERDRIVE = 1V 8 10 mA ● 13 mA VIH Latch Pin High Input Voltage ● 2.4 V VIL Latch Pin Low Input Voltage ● 0.8 V IIL Latch Pin Current VLATCH = V+ ● 15 µA tPD Propagation Delay (Note 6) ∆VIN = 100mV, VOVERDRIVE = 20mV 4.5 6.0 ns ∆VIN = 100mV, VOVERDRIVE = 20mV ● 8.5 ns ∆VIN = 100mV, VOVERDRIVE = 5mV 5.5 ns ∆tPD Differential Propagation Delay (Note 6) ∆VIN = 100mV, VOVERDRIVE = 20mV 0.5 1.5 ns tr Output Rise Time 10% to 90% 2 ns tf Output Fall Time 90% to 10% 2 ns tLPD Latch Propagation Delay (Note 7) 5 ns tSU Latch Setup Time (Note 7) 1 ns tH Latch Hold Time (Note 7) 0 ns tDPW Minimum Latch Disable Pulse Width (Note 7) 5 ns fMAX Maximum Toggle Frequency VIN = 100mVP-P Sine Wave 100 MHz tJITTER Output Timing Jitter VIN = 630mVP-P (0dBm) Sine Wave, f = 30MHz 11 psRMS
The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. V+ = 5V, V– = – 5V, VCM = 0V, VLATCH = 0.8V, CLOAD = 10pF, VOVERDRIVE = 20mV, unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V+ Positive Supply Voltage Range ● 2.4 7 V V– Negative Supply Voltage Range (Note 3) ● –7 0 V VOS Input Offset Voltage (Note 4) RS = 50Ω, VCM = 0V 0.5 5.0 mV RS = 50Ω, VCM = 0V ● 6.0 mV RS = 50Ω, VCM = 5V 0.7 mV RS = 50Ω, VCM = –5V 1 mV ∆VOS/∆T Input Offset Voltage Drift 10 µV/°C IOS Input Offset Current 0.2 3 µA ● 6 µA IB Input Bias Current (Note 5) – 18 – 5 5 µA ● – 35 10 µA VCM Input Voltage Range ● – 5.1 5.1 V CMRR Common Mode Rejection Ratio – 5V ≤ VCM ≤ 5V 61 75 dB ● 58 dB PSRR+ Positive Power Supply Rejection Ratio 2.4V ≤ V+ ≤ 7V, VCM = – 5V 58 85 dB ● 56 dB PSRR– Negative Power Supply Rejection Ratio – 7V ≤ V– ≤ 0V, VCM = 5V 60 80 dB ● 58 dB 3
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. V+ = 2.7V or V+ = 5V, V– = 0V, VCM = V+/2, VLATCH = 0.8V, CLOAD = 10pF, VOVERDRIVE = 20mV, unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PSRR– Negative Power Supply Rejection Ratio – 7V ≤ V– ≤ 0V, V + = 5V, VCM = 5V 60 80 dB ● 58 dB AV Small-Signal Voltage Gain (Note 10) 1 15 V/mV VOH Output Voltage Swing HIGH IOUT = 1mA, VOVERDRIVE = 50mV ● V+– 0.5 V+– 0.2 V IOUT = 10mA, VOVERDRIVE = 50mV ● V+– 0.7 V+– 0.4 V VOL Output Voltage Swing LOW IOUT = – 1mA, VOVERDRIVE = 50mV ● 0.20 0.4 V IOUT = – 10mA, VOVERDRIVE = 50mV ● 0.35 0.5 V I+ Positive Supply Current (Per Comparator) V+ = 5V, VOVERDRIVE = 1V 15 19 mA ● 26 mA I– Negative Supply Current (Per Comparator) V+ = 5V, VOVERDRIVE = 1V 8 10 mA ● 13 mA VIH Latch Pin High Input Voltage ● 2.4 V VIL Latch Pin Low Input Voltage ● 0.8 V IIL Latch Pin Current VLATCH = V+ ● 15 µA tPD Propagation Delay (Note 6) ∆VIN = 100mV, VOVERDRIVE = 20mV 4.5 6.0 ns ∆VIN = 100mV, VOVERDRIVE = 20mV ● 8.5 ns ∆VIN = 100mV, VOVERDRIVE = 5mV 5.5 ns ∆tPD Differential Propagation Delay (Note 6) ∆VIN = 100mV, VOVERDRIVE = 20mV 0.5 1.5 ns tr Output Rise Time 10% to 90% 2 ns tf Output Fall Time 90% to 10% 2 ns tLPD Latch Propagation Delay (Note 7) 5 ns tSU Latch Setup Time (Note 7) 1 ns tH Latch Hold Time (Note 7) 0 ns tDPW Minimum Latch Disable Pulse Width (Note 7) 5 ns fMAX Maximum Toggle Frequency VIN = 100mVP-P Sine Wave 100 MHz tJITTER Output Timing Jitter VIN = 630mVP-P (0dBm) Sine Wave, f = 30MHz 11 psRMS
The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. V+ = 5V, V– = – 5V, VCM = 0V, VLATCH = 0.8V, CLOAD = 10pF, VOVERDRIVE = 20mV, unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V+ Positive Supply Voltage Range ● 2.4 7 V V– Negative Supply Voltage Range (Note 3) ● –7 0 V VOS Input Offset Voltage (Note 4) RS = 50Ω, VCM = 0V 0.5 5.0 mV RS = 50Ω, VCM = 0V ● 6.0 mV RS = 50Ω, VCM = 5V 0.7 mV RS = 50Ω, VCM = –5V 1 mV ∆VOS/∆T Input Offset Voltage Drift 10 µV/°C IOS Input Offset Current 0.2 3 µA ● 6 µA IB Input Bias Current (Note 5) – 18 – 5 5 µA ● – 35 10 µA VCM Input Voltage Range ● – 5.1 5.1 V CMRR Common Mode Rejection Ratio – 5V ≤ VCM ≤ 5V 61 75 dB ● 58 dB PSRR+ Positive Power Supply Rejection Ratio 2.4V ≤ V+ ≤ 7V, VCM = – 5V 58 85 dB ● 56 dB PSRR– Negative Power Supply Rejection Ratio – 7V ≤ V– ≤ 0V, VCM = 5V 60 80 dB ● 58 dB 3
