Datasheet

3
LT1711/LT1712
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PSRR
–
Negative Power Supply Rejection Ratio –7V ≤ V
–
≤ 0V, V
+
= 5V, V
CM
= 5V 60 80 dB
● 58 dB
A
V
Small-Signal Voltage Gain (Note 10) 1 15 V/mV
V
OH
Output Voltage Swing HIGH I
OUT
= 1mA, V
OVERDRIVE
= 50mV ● V
+
– 0.5 V
+
– 0.2 V
I
OUT
= 10mA, V
OVERDRIVE
= 50mV ● V
+
– 0.7 V
+
– 0.4 V
V
OL
Output Voltage Swing LOW I
OUT
= –1mA, V
OVERDRIVE
= 50mV ● 0.20 0.4 V
I
OUT
= –10mA, V
OVERDRIVE
= 50mV ● 0.35 0.5 V
I
+
Positive Supply Current (Per Comparator) V
+
= 5V, V
OVERDRIVE
= 1V 15 19 mA
● 26 mA
I
–
Negative Supply Current (Per Comparator) V
+
= 5V, V
OVERDRIVE
= 1V 8 10 mA
● 13 mA
V
IH
Latch Pin High Input Voltage ● 2.4 V
V
IL
Latch Pin Low Input Voltage ● 0.8 V
I
IL
Latch Pin Current V
LATCH
= V
+
● 15 µA
t
PD
Propagation Delay (Note 6) ∆V
IN
= 100mV, V
OVERDRIVE
= 20mV 4.5 6.0 ns
∆V
IN
= 100mV, V
OVERDRIVE
= 20mV ● 8.5 ns
∆V
IN
= 100mV, V
OVERDRIVE
= 5mV 5.5 ns
∆t
PD
Differential Propagation Delay (Note 6) ∆V
IN
= 100mV, V
OVERDRIVE
= 20mV 0.5 1.5 ns
t
r
Output Rise Time 10% to 90% 2 ns
t
f
Output Fall Time 90% to 10% 2 ns
t
LPD
Latch Propagation Delay (Note 7) 5ns
t
SU
Latch Setup Time (Note 7) 1ns
t
H
Latch Hold Time (Note 7) 0ns
t
DPW
Minimum Latch Disable Pulse Width (Note 7) 5 ns
f
MAX
Maximum Toggle Frequency V
IN
= 100mV
P-P
Sine Wave 100 MHz
t
JITTER
Output Timing Jitter V
IN
= 630mV
P-P
(0dBm) Sine Wave, f = 30MHz 11 ps
RMS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
V
+
= 2.7V or V
+
= 5V, V
–
= 0V, V
CM
= V
+
/2, V
LATCH
= 0.8V, C
LOAD
= 10pF, V
OVERDRIVE
= 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
V
OS
Input Offset Voltage (Note 4) R
S
= 50Ω, V
CM
= 0V 0.5 5.0 mV
R
S
= 50Ω, V
CM
= 0V ● 6.0 mV
R
S
= 50Ω, V
CM
= 5V 0.7 mV
R
S
= 50Ω, V
CM
= –5V 1 mV
∆V
OS
/∆T Input Offset Voltage Drift 10 µV/°C
I
OS
Input Offset Current 0.2 3 µA
● 6 µA
I
B
Input Bias Current (Note 5) –18 –5 5 µA
● –35 10 µA
V
CM
Input Voltage Range ● –5.1 5.1 V
CMRR Common Mode Rejection Ratio –5V ≤ V
CM
≤ 5V 61 75 dB
● 58 dB
PSRR
+
Positive Power Supply Rejection Ratio 2.4V ≤ V
+
≤ 7V, V
CM
= –5V 58 85 dB
● 56 dB
PSRR
–
Negative Power Supply Rejection Ratio –7V ≤ V
–
≤ 0V, V
CM
= 5V 60 80 dB
● 58 dB
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
V
+
= 5V, V
–
= –5V, V
CM
= 0V, V
LATCH
= 0.8V, C
LOAD
= 10pF, V
OVERDRIVE
= 20mV, unless otherwise specified.
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