Datasheet

LT1498/LT1499
14989fg
10
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the temperature range
–40°C < T
A
< 85°C. V
S
= ±15V, V
CM
= 0V, V
OUT
= 0V, unless otherwise noted. (Note 4)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
CM
= V
+
V
CM
= V
–
+ 0.1V
l
l
300
300
950
950
μV
μV
V
OS
TC Input Offset Voltage Drift (Note 3)
V
CM
= V
+
l
l
1.0
2.0
3.5
5.0
μV/°C
μV/°C
ΔV
OS
Input Offset Voltage Shift V
CM
= V
–
+ 0.1V to V
+
l
250 850 μV
Input Offset Voltage Match (Channel-to-Channel) V
CM
= V
–
+ 0.1V, V
+
(Note 5)
l
350 1800 μV
I
B
Input Bias Current V
CM
= V
+
V
CM
= V
–
+ 0.1V
l
l
0
–1050
350
–350
1050
0
nA
nA
ΔI
B
Input Bias Current Shift V
CM
= V
–
+ 0.1V to V
+
l
700 2100 nA
Input Bias Current Match (Channel-to-Channel) V
CM
= V
+
(Note 5)
V
CM
= V
–
+ 0.1V (Note 5)
l
l
0
–200
20
–20
200
0
nA
nA
I
OS
Input Offset Current V
CM
= V
+
V
CM
= V
–
+ 0.1V
l
l
15
15
115
115
nA
nA
ΔI
OS
Input Offset Current Shift V
CM
= V
–
+ 0.1V to V
+
l
30 230 nA
A
VOL
Large-Signal Voltage Gain V
O
= –14.5V to 14.5V, R
L
= 10k
V
O
= –10V to 10V, R
L
= 2k
l
l
800
350
5000
2000
V/mV
V/mV
Channel Separation V
O
= –10V to 10V, R
L
= 2k
l
110 120 dB
CMRR Common Mode Rejection Ratio V
CM
= V
–
+ 0.1V to V
+
l
90 101 dB
CMRR Match (Channel-to-Channel) (Note 5) V
CM
= V
–
+ 0.1V to V
+
l
86 100 dB
PSRR Power Supply Rejection Ratio V
S
= ±5V to ±15V
l
88 100 dB
PSRR Match (Channel-to-Channel) (Note 5) V
S
= ±5V to ±15V
l
82 100 dB
V
OL
Output Voltage Swing (Low) (Note 6) No Load
I
SINK
= 0.5mA
I
SINK
= 10mA
l
l
l
25
50
275
50
100
520
mV
mV
mV
V
OH
Output Voltage Swing (High) (Note 6) No Load
I
SOURCE
= 0.5mA
I
SOURCE
= 10mA
l
l
l
3.5
65
500
15
120
1000
mV
mV
mV
I
SC
Short-Circuit Current
l
±10 ±18 mA
I
S
Supply Current per Amplifi er
l
2.0 3.0 mA
GBW Gain-Bandwidth Product (Note 7)
l
5.8 8.5 MHz
SR Slew Rate A
V
= –1, R
L
= Open, V
O
= ±10V
Measure at V
O
= ±5V
l
3 4.75 V/μs