LT1783 Linear Technology, LT1783 Datasheet - Page 7

• Manufacturer Part Number: LT1783
• Description: 1.25MHz/ Over-The-Top Micropower/ Rail-to-Rail Input and Output Op Amp in SOT-23
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
–10
100k
90
80
70
60
50
40
30
20
10
12
10
10k
100
8
6
4
2
0
0
1M
100
1k
1k
Undistorted Output Swing vs
Frequency
PSRR vs Frequency
100
Disabled Output Impedance vs
Frequency (Note 8)
DISTORTION 1%
A
V
V
V
V
S
= 1
S
PIN5
NEGATIVE SUPPLY
= 2.5V
= 2.5V
V
V
S
S
(SHUTDOWN) = 2.5V
1k
= 5V
= 2.5V
10k
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
POSITIVE SUPPLY
100k
10k
100k
W
1783 G20
1783 G15
1783 G17a
U
100k
1M
1M
0.0001
0.010
0.001
110
100
0.1
–1
–2
–3
–4
90
80
70
60
50
40
30
1
4
3
2
1
0
10k
10
0
CMRR vs Frequency
Total Harmonic Distortion + Noise
vs Frequency
Settling Time to 0.1% vs Output
Step
V
V
V
R
V
2
S
OUT
CM
L
S
= 3V, 0V
= 10k
= 5V
= 1.2V
= 2V
4
100
A
V
A
P-P
= 1
V
SETTLING TIME ( s)
6
A
A
FREQUENCY (Hz)
FREQUENCY (Hz)
= 1
V
V
= –1
= 1
8
100k
1k
10 12 14 16 18 20
A
V
= –1
10k
A
V
V
S
= –1
= 2.5V
1783 G21
1783 G16
1783 G18
100k
1M
0.0001
0.001
0.01
0.01
40
35
30
25
20
15
10
100
0.1
0.1
10
5
0
1
1
10
100
Capacitive Load Handling
Overshoot vs Capacitive Load
100
Output Impedance vs Frequency
Total Harmonic Distortion + Noise
vs Load Resistance
V
V
S
CM
V
S
A
A
= 5V, 0V
LOAD RESISTANCE TO GROUND ( )
V
V
= 2.5V
= 2.5V
= 1
= 5
V
V
S
IN
1k
CAPACITIVE LOAD (pF)
V
V
= 1.5V
S
IN
100
= 1V
= 3V, 0V
1k
= 0.2V TO 2.2V
FREQUENCY (Hz)
A
A
A
V
V
V
= 100
= 10
= 1
10k
A
V
V
V
V
S
IN
= 10
IN
= 3V, 0V
= 0.5V TO 2.5V
= 2V
1000
V
10k
LT1783
S
= 3V TOTAL
P-P
100k
AT 1kHz
A
V
1783 G19
= 1
1783 G17
1783 G22
10000
7
100k
1M