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LT1490AIS8 Datasheet Download

Part No.:
LT1490AIS8
Download:
Download Datasheet
Description:
[Dual Over-The-Top Micropower Rail-to-Rail Input and Output Op Amp]
File Size:
205 K
Page:
12 Pages
Logo:
Manufacturer:
LINER [ LINEAR TECHNOLOGY ]
PCB Prototype
 LT1490AIS8 Datasheet Page:3LT1490AIS8 Datasheet Page:4LT1490AIS8 Datasheet Page:5LT1490AIS8 Datasheet Page:6LT1490AIS8 Datasheet Page:8LT1490AIS8 Datasheet Page:9LT1490AIS8 Datasheet Page:10LT1490AIS8 Datasheet Page:11 
LT1490A
TYPICAL PERFOR A CE CHARACTERISTICS
Undistorted Output Swing
vs Frequency
35
30
OUTPUT SWING (V
P-P
)
V
S
=
±15V
DISTORTION
≤1%
OUTPUT STEP (V)
20
15
10
5
0
0.1
V
S
= 5V, 0V
2
0
–2
–4
–6
–8
–10
A
V
= 1
0
20
40
60 80 100 120 140 160
SETTLING TIME (µs)
1490A F20
OVERSHOOT (%)
25
1
10
FREQUENCY (kHz)
Total Harmonic Distortion + Noise
vs Frequency
10
V
S
= 3V, 0V
V
OUT
= 2V
P-P
V
CM
= 1.2V
R
L
= 50k
10
1
THD + NOISE (%)
THD + NOISE (%)
THD + NOISE (%)
0.1
0.01
A
V
= –1
A
V
= 1
0.001
0.01
1
0.1
FREQUENCY (kHz)
Open-Loop Gain
CHANGE IN INPUT OFFSET VOLTAGE
(100µV/DIV)
V
S
=
±15V
R
L
= 2k
R
L
= 10k
R
L
= 50k
–10V
0V
10V
OUTPUT VOLTAGE (5V/DIV)
U W
1490A G19
1490A G22
1490A G25
Settling Time to 0.1%
vs Output Step
10
8
6
4
V
S
=
±15V
A
V
= –1
A
V
= 1
100
90
80
70
60
50
40
30
20
10
0
Capacitive Load Handling,
Overshoot vs Capacitive Load
V
S
= 5V, 0V
I
SOURCE
= 170µA
A
V
= 1
A
V
= 2
A
V
= 10
A
V
= 5
A
V
= –1
100
10
100
1000
CAPACITIVE LOAD (pF)
10000
1490A G21
Total Harmonic Distortion + Noise
vs Load Resistance
V
S
= 3V TOTAL
A
V
= 1
V
IN
= 2V
P-P
AT 1kHz
V
S
=
±1.5V
V
IN
=
±1V
V
S
= 3V, 0V
V
IN
= 0.5V TO 2.5V
0.01
V
S
= 3V, 0V
V
IN
= 0.2V TO 2.2V
Total Harmonic Distortion + Noise
vs Output Voltage
10
R
L
= 10k
V
CM
= HALF SUPPLY
f = 1kHz
1
A
V
= –1
V
S
=
±1.5V
A
V
= 1
V
S
=
±1.5V
1
0.1
0.1
0.01
A
V
= 1
V
S
= 3V, 0V
0.001
10
1
LOAD RESISTANCE TO GROUND (kΩ)
100
A
V
= –1
V
S
= 3V, 0V
10
0.001
0.1
0
1
2
OUTPUT VOLTAGE (V
P-P
)
3
1490A G24
1490A G23
Large-Signal Response
Small-Signal Response
V
S
=
±15V
A
V
= –1
1490A G26
V
S
=
±15V
A
V
= 1
1490A G27
7