LT1783
TYPICAL PERFORMANCE CHARACTERISTICS
Gain Bandwidth Product and
Phase Margin vs Supply Voltage
A
V
= –1
R
F
= R
G
= 10k
f = 5kHz
PHASE MARGIN
55
1400
1200
1000
800
1k
V
S
= 2.5V
A
V
= –1
R
F
= R
G
= 10k
f = 5kHz
10k
LOAD RESISTANCE (Ω)
100k
1783 G16
Gain Bandwidth and Phase
Margin vs Load Resistance
PHASE
MARGIN (DEG)
65
PHASE
MARGIN (DEG)
GAIN BAINDWIDTH
PRODUCT (kHz)
PHASE MARGIN
65
60
55
60
GAIN BAINDWIDTH
PRODUCT (kHz)
1300
GAIN BANDWIDTH PRODUCT
GAIN BANDWIDTH PRODUCT
1250
1200
0
2
4
6
8 10 12 14 16
TOTAL SUPPLY VOLTAGE (V)
18
1783 G15
PSRR vs Frequency
90
POWER SUPPLY REJECTION RATIO (dB)
80
70
60
50
40
30
20
10
0
–10
1k
10k
100k
FREQUENCY (Hz)
1M
1783 G17
CMRR vs Frequency
110
COMMON MODE REJECTION RATIO (dB)
V
S
= ±2.5V
100
90
80
70
60
50
40
30
10k
100k
FREQUENCY (Hz)
1M
1783 G18
Output Impedance vs Frequency
100
V
S
= ±2.5V
A
V
= 100
OUTPUT IMPEDANCE (Ω)
10
V
S
= ±2.5V
POSITIVE SUPPLY
1
A
V
= 10
NEGATIVE SUPPLY
0.1
A
V
= 1
0.01
100
1k
10k
100k
FREQUENCY (Hz)
1M
1783 G19
Disabled Output Impedance
vs Frequency (Note 8)
1M
V
S
= ±2.5V
V
PIN5
(SHUTDOWN) = 2.5V
4
3
Settling Time to 0.1%
vs Output Step
V
S
= ±5V
A
V
= 1
A
V
= –1
30
OVERSHOOT (%)
25
20
15
10
A
V
= 1
–3
A
V
= –1
5
0
0
2
4
6 8 10 12 14 16 18 20
SETTLING TIME (μs)
1783 G21
Capacitive Load Handling
Overshoot vs Capacitive Load
40
V
S
= 5V, 0V
V
CM
= 2.5V
35
OUTPUT IMPEDANCE (Ω)
100k
OUTPUT STEP (V)
2
1
0
–1
–2
10k
A
V
= 1
1k
A
V
= 5
A
V
= 10
100
100
–4
1k
10k
100k
FREQUENCY (Hz)
1M
1783 G20
10
100
1000
CAPACITIVE LOAD (pF)
10000
1783 G22
1783fd
9
LINEAR_DIMENSIONS [ LINEAR DIMENSIONS SEMICONDUCTOR ]
