LT1638 LINER [Linear Technology], LT1638 Datasheet - Page 7

• Manufacturer Part Number: LT1638
• Description: 1.2MHz, 0.4V/us Over-The-TopTM Micropower Rail-to-Rail Input and Output Op Amps
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
0.001
0.01
–10
0.1
–2
– 4
– 6
10
10
–8
2
1
8
6
4
0
0.01
Open-Loop Gain
Settling Time to 0.1% vs
Output Step
0
Total Harmonic Distortion + Noise
vs Frequency
V
V
V
V
R
–20V
S
S
OUT
CM
L
= 15V
= 3V, 0V
= 20k
5
A
= 1.2V
A
V
= 2V
V
R
= –1
0.1
OUTPUT VOLTAGE (5V/DIV)
= 1
L
–10V
10
= 50k
P-P
R
SETTLING TIME ( s)
FREQUENCY (Hz)
L
A
= 2k
V
A
V
= 1
15
= 1
1
0V
R
L
20
= 10k
A
V
10V
= –1
A
25
V
10
W
V
= –1
S
= 15V
1638/39 G24
30
1638/39 G21
1638/39 G27
20V
U
100
35
0.001
0.01
100
0.1
10
90
80
70
60
50
40
30
20
10
1
0
0.1
10
Large-Signal Response
V
A
Capacitive Load Handling,
Overshoot vs Capacitive Load
Total Harmonic Distortion + Noise
vs Load Resistance
S
V
V
V
I
V
A
V
SOURCE
= 15V
= 1
S
CM
S
V
IN
LOAD RESISTANCE TO GROUND (k )
= 5V, 0V
= 3V TOTAL
= 1
= 2V
= 2.5V
V
V
V
V
S
IN
S
IN
= 150 A
A
V
V
P-P
= 3V, 0V
= 3V, 0V
S
IN
V
CAPACITIVE LOAD (pF)
= 0.5V TO 2.5V
= 0.2V TO 2.2V
= 1
= 1.5V
100
AT 1kHz
= 1V
1
A
V
= 5
1000
10
A
V
1638/39 G25
= 10
1638/39 G22
1638/39 G28
10000
100
0.001
0.01
0.1
35
30
25
20
15
10
10
5
0
1
0.1
0
Undistorted Output Swing
vs Frequency
Small-Signal Response
V
A
C
Total Harmonic Distortion + Noise
vs Output Voltage
S
V
L
R
V
= 15V
= 1
= 15pF
CM
L
= 10k, f = 1kHz
= HALF SUPPLY
LT1638/LT1639
A
V
V
A
A
A
S
S
V
V
V
V
OUTPUT VOLTAGE (V
= 2.5V
= 15V
= –1, V
= –1, V
= 1, V
= 1, V
FREQUENCY (kHz)
1
1
S
S
S
S
= 1.5V
= 3V, 0V
= 1.5V
= 3V, 0V
DISTORTION 1%
R
L
= 20k
10
2
P-P
)
1638/39 G23
1638/39 G29
1638/39 G26
7
100
3