Datasheet

LT1498/LT1499
14989fg
4
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the temperature range
0°C < T
A
< 70°C. V
S
= 5V, 0V; V
S
= 3V, 0V; V
CM
= V
OUT
= half supply, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
CM
= V
+
V
CM
= V
–
+ 0.1V
l
l
175
175
650
650
μV
μV
V
OS
TC Input Offset Voltage Drift (Note 3)
V
CM
= V
+
l
l
0.5
1.5
2.5
4.0
μV/°C
μV/°C
ΔV
OS
Input Offset Voltage Shift V
CM
= V
–
+ 0.1V to V
+
l
170 600 μV
Input Offset Voltage Match (Channel-to-Channel) V
CM
= V
–
+ 0.1V, V
+
(Note 5)
l
200 900 μV
I
B
Input Bias Current V
CM
= V
+
V
CM
= V
–
+ 0.1V
l
l
0
–780
275
–275
780
0
nA
nA
ΔI
B
Input Bias Current Shift V
CM
= V
–
+ 0.1V to V
+
l
550 1560 nA
Input Bias Current Match (Channel-to-Channel) V
CM
= V
+
(Note 5)
V
CM
= V
–
+ 0.1V (Note 5)
l
l
0
–170
15
–15
170
0
nA
nA
I
OS
Input Offset Current V
CM
= V
+
V
CM
= V
–
+ 0.1V
l
l
10
10
85
85
nA
nA
ΔI
OS
Input Offset Current Shift V
CM
= V
–
+ 0.1V to V
+
l
20 170 nA
A
VOL
Large-Signal Voltage Gain V
S
= 5V, V
O
= 75mV to 4.8V, R
L
= 10k
V
S
= 3V, V
O
= 75mV to 2.8V, R
L
= 10k
l
l
500
400
2500
2000
V/mV
V/mV
CMRR Common Mode Rejection Ratio V
S
= 5V, V
CM
= V
–
+ 0.1V to V
+
V
S
= 3V, V
CM
= V
–
+ 0.1V to V
+
l
l
78
73
89
85
dB
dB
CMRR Match (Channel-to-Channel) (Note 5) V
S
= 5V, V
CM
= V
–
+ 0.1V to V
+
V
S
= 3V, V
CM
= V
–
+ 0.1V to V
+
l
l
74
69
90
86
dB
dB
PSRR Power Supply Rejection Ratio V
S
= 2.3V to 12V, V
CM
= V
O
= 0.5V
l
86 102 dB
PSRR Match (Channel-to-Channel) (Note 5) V
S
= 2.3V to 12V, V
CM
= V
O
= 0.5V
l
80 102 dB
V
OL
Output Voltage Swing (Low) (Note 6) No Load
I
SINK
= 0.5mA
I
SINK
= 2.5mA
l
l
l
17
40
110
35
80
220
mV
mV
mV
V
OH
Output Voltage Swing (High) (Note 6) No Load
I
SOURCE
= 0.5mA
I
SOURCE
= 2.5mA
l
l
l
3.5
55
160
15
120
300
mV
mV
mV
I
SC
Short-Circuit Current V
S
= 5V
V
S
= 3V
l
l
±12
±10
±23
±20
mA
mA
I
S
Supply Current per Amplifi er
l
1.9 2.6 mA
GBW Gain-Bandwidth Product (Note 7)
l
6.1 9 MHz
SR Slew Rate (Note 8) V
S
= 5V, A
V
= –1, R
L
= Open, V
O
= 4V
V
S
= 3V, A
V
= –1, R
L
= Open
l
l
2.5
2.2
4.0
3.5
V/μs
V/μs