LT1490A
TYPICAL PERFOR A CE CHARACTERISTICS
Supply Current vs Supply Voltage
80
70
60
50
40
30
20
10
0
0
5
10 15 20 25 30 35 40
TOTAL SUPPLY VOLTAGE (V)
45
T
A
= 125°C
T
A
= 25°C
CHANGE IN INPUT OFFSET VOLTAGE (µV)
SUPPLY CURRENT PER AMPLIFIER (µA)
INPUT BIAS CURRENT (nA)
T
A
= –55°C
Output Saturation Voltage
vs Load Current (Output High)
1
V
S
= 5V, 0V
1
OUTPUT SATURATION VOLTAGE (mV)
OUTPUT SATURATION VOLTAGE (V)
OUTPUT SATURATION VOLTAGE (V)
T
A
= 125°C
100m
T
A
= 25°C
T
A
= –55°C
10m
1µ
10µ
1m
10m
100µ
SOURCING LOAD CURRENT (A)
0.1Hz to 10Hz Noise Voltage
INPUT NOISE VOLTAGE DENSITY (nV/√Hz)
INPUT NOISE CURRENT DENSITY (pA/√Hz)
V
S
=
±2.5V
NOISE VOLTAGE (400nV/DIV)
0
1
2
3
4 5 6
TIME (SEC)
7
U W
1490A G01
1490A G04
Minimum Supply Voltage
400
300
200
100
0
–100
–200
–300
T
A
= 125°C
0
1
3
4
2
TOTAL SUPPLY VOLTAGE (V)
5
1490A G02
Input Bias Current
vs Common Mode Voltage
5000
V
S
= 5V, 0V
3000
1000
T
A
= –55°C
30
20
10
0
–10
4.0
5.6
4.4
4.8
5.2
COMMON MODE VOLTAGE (V)
44
1490A G03
T
A
= 25°C
T
A
= –55°C
T
A
= 25°C
T
A
= 125°C
– 400
Output Saturation Voltage
vs Load Current (Output Low)
V
S
= 5V, 0V
Output Saturation Voltage
vs Input Overdrive
100
V
S
= 5V, 0V
90 NO LOAD
80
70
60
50
40
30
20
10
0
0
10
OUTPUT LOW
30
40
20
INPUT OVERDRIVE (mV)
50
1490A G06
100m
T
A
= 125°C
T
A
= 25°C
10m
T
A
= –55°C
OUTPUT HIGH
100m
1m
0.1µ
1µ
10µ 100µ 1m
10m
SINKING LOAD CURRENT (A)
100m
1490A G05
Noise Voltage Density
vs Frequency
80
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
Input Noise Current vs Frequency
70
60
50
40
8
9
10
30
1
10
100
FREQUENCY (Hz)
1k
1490A G08
1
10
100
FREQUENCY (Hz)
1k
1490A G09
1490A G07
5
LINER [ LINEAR TECHNOLOGY ]
