Datasheet
4
LT1218/LT1219
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
A
VOL
Large-Signal Voltage Gain V
S
= 5V, V
O
= 50mV to 4.8V, R
L
= 10k ● 150 500 V/mV
V
S
= 3V, V
O
= 50mV to 2.8V, R
L
= 10k ● 100 500 V/mV
CMRR Common Mode Rejection Ratio V
S
= 5V, V
CM
= V
+
– 0.15 to V
–
+ 0.15 ● 93 102 dB
V
S
= 3V, V
CM
= V
+
– 0.15 to V
–
+ 0.15 ● 88 100 dB
PSRR Power Supply Rejection Ratio V
S
= 2.3V to 12V, V
CM
= 0V, V
O
= 0.5V ● 86 100 dB
V
OL
Output Voltage Swing LOW No Load ● 515mV
I
SINK
= 0.5mA ● 50 105 mV
I
SINK
= 2.5mA ● 130 300 mV
V
OH
Output Voltage Swing HIGH No Load ● V
+
– 0.015 V
+
– 0.004 mV
I
SOURCE
= 0.5mA ● V
+
– 0.160 V
+
– 0.070 mV
I
SOURCE
= 2.5mA ● V
+
– 0.500 V
+
– 0.250 mV
I
SC
Short-Circuit Current V
S
= 5V ● 47 mA
V
S
= 3V ● 37 mA
I
S
Supply Current V
S
= 5V ● 410 505 µA
V
S
= 3V ● 400 495 µA
Positive Supply Current, SHDN V
S
= 5V, V
SHDN
= 0V ● 15 50 µA
V
S
= 3V, V
SHDN
= 0V ● 13 40 µA
–40°C ≤ T
A
≤ 85°C, V
S
= 5V, 0V; V
S
= 3V, 0V; V
CM
= V
O
= half supply, V
SHDN
= V
+
, unless otherwise noted. (Note 3)
LT1218L/LT1219L only; T
A
= 25°C, V
S
= ±5V, V
CM
= 0V, V
O
= 0V, V
SHDN
= 5V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
CM
= V
+
35 140 µV
V
CM
= V
–
35 140 µV
∆V
OS
Input Offset Voltage Shift V
CM
= V
–
to V
+
20 70 µV
I
B
Input Bias Current V
CM
= V
+
30 70 nA
V
CM
= V
–
–70 –18 nA
∆I
B
Input Bias Current Shift V
CM
= V
–
to V
+
50 140 nA
I
OS
Input Offset Current V
CM
= V
+
518nA
V
CM
= V
–
218nA
∆I
OS
Input Offset Current Shift V
CM
= V
–
to V
+
518nA
A
VOL
Large-Signal Voltage Gain V
O
= –4.7V to 4.7V, R
L
= 10k 500 2800 V/mV
V
O
= –4.5V to 4.5V, R
L
= 2k 300 1300 V/mV
CMRR Common Mode Rejection Ratio V
CM
= V
–
to V
+
103 114 dB
V
OL
Output Voltage Swing LOW No Load V
–
+ 0.004 V
–
+ 0.012 V
I
SINK
= 0.5mA V
–
+ 0.045 V
–
+ 0.090 V
I
SINK
= 5mA V
–
+ 0.180 V
–
+ 0.525 V
V
OH
Output Voltage Swing HIGH No Load V
+
– 0.012 V
+
– 0.003 V
I
SOURCE
= 0.5mA V
+
– 0.130 V
+
– 0.065 V
I
SOURCE
= 5mA V
+
– 0.800 V
+
– 0.350 V
I
SC
Short-Circuit Current 6 12 mA
I
S
Supply Current 400 430 µA
Positive Supply Current, SHDN V
SHDN
= 0V 10 40 µA
SR Slew Rate (LT1218/LT1218L) A
V
= –1, R
L
= Open, V
O
= ±3.5V 0.06 0.10 V/µs
(LT1219/LT1219L) A
V
= –1, R
L
= Open, V
O
= ±3.5V 0.03 0.05 V/µs
GBW Gain-Bandwidth Product
(LT1218/LT1218L) A
V
= 1000 0.2 0.30 MHz
(LT1219/LT1219L) A
V
= 1000 0.1 0.15 MHz