
LT1782
10
1782fc
TYPICAL PERFORMANCE CHARACTERISTICS
Capacitive Load Handling
Overshoot vs Capacitive Load
Undistorted Output Swing
vs Frequency
Total Harmonic Distortion + Noise
vs Frequency
Total Harmonic Distortion + Noise
vs Load Resistance
Total Harmonic Distortion + Noise
vs Output Voltage Amplitude
Open-Loop Gain
Output Impedance vs Frequency
Disabled Output Impedance
vs Frequency (Note 8)
Settling Time to 0.1%
vs Output Step
FREQUENCY (Hz)
100
0.1
OUTPUT
IMPEDANCE
()
10
10k
1k
100k
1M
1782 G19
1
100
1k
AV = 100
VS = ±2.5V
AV = 10
AV = 1
FREQUENCY (Hz)
100
OUTPUT
IMPEDANCE
()
10k
1M
1k
10k
100k
1M
1782 G20
1k
100k
VS = ±2.5V
VPIN5 (SHUTDOWN) = 2.5V
SETTLING TIME (s)
25
30
35
40
50
60
70
80
OUTPUT
STEP
(V)
1782 G21
4
3
2
1
0
–1
–2
–3
–4
AV = 1
AV = –1
AV = 1
AV = –1
VS = ±5V
CAPACITIVE LOAD (pF)
10
OVERSHOOT
(%)
40
35
30
25
20
15
10
5
0
100
1000
10000
1782 G22
VS = 5V, 0V
VCM = 2.5V
AV = 1
AV = 5
AV = 10
FREQUENCY (Hz)
100
1k
10k
100k
OUTPUT
SWING
(V
P-P
)
12
10
8
6
4
2
0
1782 G23
DISTORTION ≤ 1%
AV = 1
VS = ±1.5V
VS = ±5V
FREQUENCY (Hz)
0.010
THD
+
NOISE
(%)
0.1
10
1k
10k
1782 G24
0.001
100
1
AV = –1
RF = RG = 100k
AV = 1
VS = 3V, 0V
VOUT = 2VP-P
VCM = 1.2V
RL = 10k
LOAD RESISTANCE TO GROUND ()
0.1
THD
+
NOISE
(%)
1
100
100k
1782 G25
0.01
0.001
1k
10k
10
VS = 3V TOTAL
AV = 1
VIN = 2VP-P AT 1kHz
VS = ±1.5V
VIN = ±1V
VS = 3V, 0V
VIN = 0.5V TO 2.5V
VS = 3V, 0V
VIN = 0.2V TO 2.2V
OUTPUT VOLTAGE AMPLITUDE (VP-P)
0.1
THD
+
NOISE
(%)
1
0
1
2
3
1782 G26
0.01
0.001
10
AV = –1, RF = RG = 100k
VS = ±1.5V
VCM = 0V
AV = 1
VS = ±1.5V
VCM = 0V
f = 1kHz, RL = 10k
AV = –1, RF = RG = 100k
VS = 3V, 0V
VCM = 1.5V
AV = 1
VS = 3V. 0V
VCM = 1.5V
OUTPUT VOLTAGE (V)
–6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6
INPUT
OFFSET
VOLTAGE
CHANGE
(50V/DIV)
1782 G27
RL = 10k
RL = 50k
RL = 2k
VS = ±5V