Datasheet

3
LT1492/LT1493
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
A
VOL
Large-Signal Voltage Gain V
O
= 0.05V to 3.7V, R
L
= 2k 175 350 V/mV
Maximum Output Voltage Swing Output High, No Load 4.2 4.35 V
(Note 4) Output High, I
SOURCE
= 1mA 4.1 4.25 V
Output High, I
SOURCE
= 15mA 3.0 3.15 V
Output Low, No Load 0.003 0.006 V
Output Low, I
SINK
= 1mA 0.062 0.075 V
Output Low, I
SINK
= 15mA 0.362 0.500 V
I
O
Maximum Output Current (Note 8) ±20 ±60 mA
SR Slew Rate A
V
= –2 1.8 V/µs
GBW Gain-Bandwidth Product f = 100kHz 4.5 MHz
I
S
Supply Current per Amplifier 425 550 µA
Minimum Supply Voltage 2.1 2.5 V
Full Power Bandwidth A
V
= 1, V
O
= 2.5V
P-P
150 kHz
t
r
, t
f
Rise Time, Fall Time A
V
= 1, 10% to 90%, V
O
= 100mV 100 ns
OS Overshoot A
V
= 1, V
O
= 100mV 20 %
t
PD
Propagation Delay A
V
= 1, V
O
= 100mV 100 ns
t
S
Settling Time 0.01%, A
V
= 1, ∆V
O
= 2V 2.6 µs
Open-Loop Output Resistance I
O
= 0mA, f = 2MHz 130 Ω
THD Total Harmonic Distortion A
V
= 1, V
O
= 1V
RMS
, f = 20Hz to 20kHz 0.005 %
V
S
= 5V, 0V; V
CM
= 0.5V, V
OUT
= 0.5V, T
A
= 25°C, unless otherwise noted.
5V ELECTRICAL CHARACTERISTICS
V
S
= 5V, 0V; V
CM
= 0.5V, V
OUT
= 0.5V, 0°C ≤ T
A
≤ 70°C, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage ● 120 280 µV
V
OS
Input Offset Voltage Drift (Note 3) ● 13µV/°C
∆T
I
OS
Input Offset Current ● 525 nA
I
B
Input Bias Current ● 55 110 nA
Input Voltage Range ● 3.4 3.55 V
● 0 –0.15 V
CMRR Common Mode Rejection Ratio V
CM
= 0V to 3.4V ● 84 102 dB
PSRR Power Supply Rejection Ratio V
S
= 2.5V to 12.5V ● 90 110 dB
A
VOL
Large-Signal Voltage Gain V
O
= 0.05V to 3.7V, R
L
= 2k ● 140 250 V/mV
Maximum Output Voltage Swing Output High, No Load ● 4.1 4.25 V
(Note 4) Output High, I
SOURCE
= 1mA ● 4.0 4.15 V
Output High, I
SOURCE
= 15mA ● 2.9 3.05 V
Output Low, No Load ● 0.004 0.007 V
Output Low, I
SINK
= 1mA ● 0.070 0.085 V
Output Low, I
SINK
= 15mA ● 0.390 0.525 V
I
S
Supply Current per Amplifier ● 470 650 µA