LT1782 Linear Technology, LT1782 Datasheet - Page 7

• Manufacturer Part Number: LT1782
• Description: Micropower/ Over-The-Top SOT-23/ Rail-to-Rail Input and Output Op Amp
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
0.001
0.01
100
10k
0.1
0.1
10
1k
10
40
35
30
25
20
15
10
1
1
5
0
100
100
10
Capacitive Load Handling
Overshoot vs Capacitive Load
Total Harmonic Distortion + Noise
vs Load Resistance
Output Impedance vs Frequency
V
A
V
V
V
V
S
V
IN
S
CM
S
LOAD RESISTANCE TO GROUND ( )
= 3V TOTAL
= 1
A
A
A
= 5V, 0V
= 2.5V
= 2V
V
V
V
= 2.5V
= 100
= 10
= 1
1k
V
V
P-P
S
IN
CAPACITIVE LOAD (pF)
A
= 3V, 0V
100
1k
FREQUENCY (Hz)
V
= 0.2V TO 2.2V
AT 1kHz
V
V
A
= 1
S
IN
V
= 1.5V
= 5
= 1V
10k
V
V
S
IN
= 3V, 0V
= 0.5V TO 2.5V
A
V
1000
10k
= 10
100k
W
1782 G17
1782 G22
1782 G19
10000
100k
U
1M
0.001
0.01
0.1
10
100k
12
10
1
10k
100
8
6
4
2
0
1M
100
1k
0
Undistorted Output Swing vs
Frequency
Total Harmonic Distortion + Noise
vs Output Voltage Amplitude
100
f = 1kHz, R
Disabled Output Impedance vs
Frequency (Note 8)
A
V
V
V
S
CM
OUTPUT VOLTAGE AMPLITUDE (V
V
V
A
V
V
= 1
= 3V. 0V
S
PIN5
V
S
CM
= 1.5V
= 2.5V
= 1
= 1.5V
V
V
= 0V
S
S
(SHUTDOWN) = 2.5V
= 5V
= 1.5V
L
1k
= 10k
1k
1
FREQUENCY (Hz)
FREQUENCY (Hz)
A
V
V
V
S
CM
A
V
V
V
S
CM
= –1, R
= 1.5V
10k
= –1, R
= 3V, 0V
= 0V
DISTORTION 1%
= 1.5V
10k
2
F
F
= R
= R
100k
G
G
= 100k
A
P-P
= 100k
V
1782 G23
= 1
)
1782 G20
1782 G17a
100k
3
1M
0.010
0.001
0.1
–1
–2
–3
–4
1
4
3
2
1
0
10
–6 –5 –4 –3 –2 –1 0
25
Settling Time to 0.1% vs Output
Step
Total Harmonic Distortion + Noise
vs Frequency
Open-Loop Gain
V
V
V
R
V
S
OUT
CM
L
S
30
= 3V, 0V
= 10k
A
= 5V
= 1.2V
R
R
R
V
= 2V
A
R
A
L
L
L
= 1
A
V
V
F
= 10k
= 50k
= 2k
V
= –1
= R
= 1
OUTPUT VOLTAGE (V)
35
P-P
= 1
SETTLING TIME ( s)
100
FREQUENCY (Hz)
G
= 100k
40
50
1
LT1782
1k
2
A
A
V
V
60
= –1
= –1
3
V
S
= 5V
4
70
1782 G21
1782 G24
1782 G18
5
7
10k
80
6