Linear Technology LT1490CN8 Linear IC DIP8 Dual R-to-R I/O OA LT1490CN8 Data Sheet
Product codes
LT1490CN8
5
LT1490/LT1491
TOTAL SUPPLY VOLTAGE (V)
0
0
SUPPLY CURRENT PER AMPLIFIER (
µ
A)
10
30
40
50
70
10
20
25
45
1490/91 G01
20
80
60
5
15
30
35
40
T
A
= 125
°
C
T
A
= 25
°
C
T
A
= –55
°
C
Supply Current vs Supply Voltage
COMMON MODE VOLTAGE (V)
4.0
INPUT BIAS CURRENT (nA)
2000
6000
5.6
1490/91 G03
30
10
4000
20
0
–10
4.4
4.8
5.2
44
T
A
=
125
°
C
T
A
=
–55
°
C
T
A
=
25
°
C
V
S
= 5V, 0V
TOTAL SUPPLY VOLTAGE (V)
0
CHANGE IN INPUT OFFSET VOLTAGE (
µ
V)
200
400
4
1490/91 G02
0
–200
100
300
–100
–300
– 400
1
2
3
5
T
A
=
25
°
C
T
A
=
125
°
C
T
A
=
–55
°
C
Minimum Supply Voltage
Input Bias Current
vs Common Mode Voltage
vs Common Mode Voltage
Output Saturation Voltage
vs Input Overdrive
vs Input Overdrive
SOURCING LOAD CURRENT (mA)
0.001
0.01
0.1
1
10
0.01
OUTPUT SATURATION VOLTAGE (V)
0.1
1
1490/90 G04
V
S
=
±
2.5V
V
OD
= 30mV
T
A
= – 55
°
C
T
A
= 125
°
C
T
A
= 25
°
C
Output Saturation Voltage
vs Load Current (Output High)
vs Load Current (Output High)
Output Saturation Voltage
vs Load Current (Output Low)
vs Load Current (Output Low)
SINKING LOAD CURRENT (mA)
0.001
0.01
0.1
1
10
0.01
OUTPUT SATURATION VOLTAGE (V)
0.1
1
1490/90 G05
V
S
=
±
2.5V
V
OD
= 30mV
T
A
= – 55
°
C
T
A
= 125
°
C
T
A
= 25
°
C
INPUT OVERDRIVE (mV)
0
OUTPUT SATURATION VOLTAGE (mV)
60
80
100
80
1490/91 G06
40
20
50
70
90
30
10
0
20
40
60
10
90
30
50
70
100
V
S
=
±
2.5V
NO LOAD
OUTPUT HIGH
OUTPUT LOW
0.1Hz to 10Hz Noise Voltage
FREQUENCY (Hz)
1
40
INPUT NOISE VOLTAGE DENSITY (nV/
√
Hz)
50
60
70
10
100
1k
1490/91 G08
30
80
FREQUENCY (Hz)
1
INPUT NOISE CURRENT DENSITY (pA/
√
Hz)
10
100
1k
1490/91 G09
0.20
0.25
0.30
0.35
0.15
0.10
0.05
0
TIME (SEC)
NOISE VOLTAGE (400nV/DIV)
2
4
6
8
1490 G07
10
1
0
3
5
7
9
V
S
=
±
2.5V
Noise Voltage Density
vs Frequency
vs Frequency
Input Noise Current vs Frequency
TYPICAL PERFOR A CE CHARACTERISTICS
U
W