Datasheet

LT1809/LT1810
3
180910fa
ELECTRICAL CHARACTERISTICS
T
A
= 25°C. V
S
= 5V, 0V; V
S
= 3V, 0V; V
SHDN
= open; V
CM
= V
OUT
= half supply,
unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
CM
= V
+
LT1809 SO-8
V
CM
= V
–
LT1809 SO-8
V
CM
= V
+
V
CM
= V
–
0.6
0.6
0.6
0.6
2.5
2.5
3.0
3.0
mV
mV
mV
mV
ΔV
OS
Input Offset Shift V
CM
= V
–
to V
+
LT1809 SO-8
V
CM
= V
–
to V
+
0.3
0.3
2.0
2.5
mV
mV
Input Offset Voltage Match (Channel-to-Channel)
(Note 10)
0.7 6 mV
I
B
Input Bias Current V
CM
= V
+
V
CM
= V
–
+ 0.2V –27.5
1.8
–13
8µA
µA
ΔI
B
Input Bias Current Shift V
CM
= V
–
+ 0.2V to V
+
14.8 35.5 µA
Input Bias Current Match (Channel-to-Channel)
(Note 10)
V
CM
= V
+
V
CM
= V
–
+ 0.2V
0.1
0.2
4
8
µA
µA
I
OS
Input Offset Current V
CM
= V
+
V
CM
= V
–
+ 0.2V
0.05
0.2
1.2
4
µA
µA
ΔI
OS
Input Offset Current Shift V
CM
= V
–
+ 0.2V to V
+
0.25 5.2 µA
e
n
Input Noise Voltage Density f = 10kHz 16 nV/√Hz
i
n
Input Noise Current Density f = 10kHz 5 pA/√Hz
C
IN
Input Capacitance 2pF
A
VOL
Large-Signal Voltage Gain V
S
= 5V, V
O
= 0.5V to 4.5V, R
L
= 1k to V
S
/2
V
S
= 5V, V
O
= 1V to 4V, R
L
= 100 to V
S
/2
V
S
= 3V, V
O
= 0.5V to 2.5V, R
L
= 1k to V
S
/2
25
4
15
80
10
42
V/mV
V/mV
V/mV
CMRR Common Mode Rejection Ratio V
S
= 5V, V
CM
= V
–
to V
+
V
S
= 3V, V
CM
= V
–
to V
+
66
61
82
78
dB
dB
CMRR Match (Channel-to-Channel) (Note 10) V
S
= 5V, V
CM
= V
–
to V
+
V
S
= 3V, V
CM
= V
–
to V
+
60
55
82
78
dB
dB
Input Common Mode Range V
–
V
+
V
PSRR Power Supply Rejection Ratio V
S
= 2.5V to 10V, V
CM
= 0V 71 87 dB
PSRR Match (Channel-to-Channel) (Note 10) V
S
= 2.5V to 10V, V
CM
= 0V 65 87 dB
Minimum Supply Voltage (Note 6) 2.3 2.5 V
V
OL
Output Voltage Swing LOW (Note 7) No Load
I
SINK
= 5mA
I
SINK
= 25mA
12
50
180
50
120
375
mV
mV
mV
V
OH
Output Voltage Swing HIGH (Note 7) No Load
I
SOURCE
= 5mA
I
SOURCE
= 25mA
20
80
330
80
180
650
mV
mV
mV
I
SC
Short-Circuit Current V
S
= 5V
V
S
= 3V
±45
±35
±85
±70
mA
mA
I
S
Supply Current per Amplifi er 12.5 17 mA
Supply Current, Shutdown V
S
= 5V, V
SHDN
= 0.3V
V
S
= 3V, V
SHDN
= 0.3V
0.55
0.31
1.25
0.90
mA
mA
I
SHDN
SHDN Pin Current V
S
= 5V, V
SHDN
= 0.3V
V
S
= 3V, V
SHDN
= 0.3V
420
220
750
500
µA
µA
Output Leakage Current, Shutdown V
SHDN
= 0.3V 0.1 75 µA
V
L
SHDN Pin Input Voltage Low 0.3 V
V
H
SHDN Pin Input Voltage High V
S
– 0.5 V
t
ON
Turn-On Time V
SHDN
= 0.3V to 4.5V, R
L
= 100 80 ns