LT1490CS8 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1490CS8' PDF : 12 Pages View PDF
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Supply Voltage
80
70
TA = 125°C
60
TA = 25°C
50
40
TA = –55°C
30
20
10
0
0 5 10 15 20 25 30 35 40 45
TOTAL SUPPLY VOLTAGE (V)
1490/91 G01
Output Saturation Voltage
vs Load Current (Output High)
1
VS = ± 2.5V
VOD = 30mV
Minimum Supply Voltage
400
300
200
100
0
– 100
TA = 25°C
TA = –55°C
– 200
–300 TA = 125°C
– 400
0
1
2
3
4
5
TOTAL SUPPLY VOLTAGE (V)
1490/91 G02
Output Saturation Voltage
vs Load Current (Output Low)
1
VS = ± 2.5V
VOD = 30mV
TA = 125°C
0.1
TA = 25°C
TA = – 55°C
0.01
0.001
0.01
0.1
1
10
SOURCING LOAD CURRENT (mA)
1490/90 G04
0.1Hz to 10Hz Noise Voltage
VS = ±2.5V
0 1 2 3 4 5 6 7 8 9 10
TIME (SEC)
1490 G07
TA = 125°C
0.1
TA = 25°C
TA = – 55°C
0.01
0.001
0.01
0.1
1
10
SINKING LOAD CURRENT (mA)
1490/90 G05
Noise Voltage Density
vs Frequency
80
70
60
50
40
30
1
10
100
FREQUENCY (Hz)
1k
1490/91 G08
LT1490/LT1491
Input Bias Current
vs Common Mode Voltage
6000
VS = 5V, 0V
4000
2000
30
TA = –55°C
20
10
0
–10
4.0
TA = 25°C
TA = 125°C
4.4
4.8
5.2
5.6
44
COMMON MODE VOLTAGE (V)
1490/91 G03
Output Saturation Voltage
vs Input Overdrive
100
VS = ± 2.5V
90
NO LOAD
80
70
60
50
40
30
OUTPUT HIGH
20
10
OUTPUT LOW
0
0 10 20 30 40 50 60 70 80 90 100
INPUT OVERDRIVE (mV)
1490/91 G06
Input Noise Current vs Frequency
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
1
10
100
1k
FREQUENCY (Hz)
1490/91 G09
5
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