Datasheet

LT1783
10
1783fd
TYPICAL PERFORMANCE CHARACTERISTICS
Undistorted Output Swing
vs Frequency
Total Harmonic Distortion + Noise
vs Frequency
Total Harmonic Distortion + Noise
vs Output Voltage Amplitude
Open-Loop Gain
Supply Current
vs SHDN Pin Voltage
Large-Signal Response
Small-Signal Response
FREQUENCY (Hz)
100 1k 10k 100k
OUTPUT SWING (V
P-P
)
12
10
8
6
4
2
0
1783 G23
V
S
= ±2.5V
DISTORTION ≤ 1%
A
V
= 1
V
S
= ±5V
FREQUENCY (Hz)
0.010
THD + NOISE (%)
0.1
10 10k1k 100k
1783 G24
0.001
0.0001
100
1
A
V
= –1
V
S
= 3V, 0V
V
OUT
= 2V
P-P
V
CM
= 1.2V
R
L
= 10k
A
V
= 1
Total Harmonic Distortion + Noise
vs Load Resistance
LOAD RESISTANCE TO GROUND (Ω)
0.01
THD + NOISE (%)
0.1
100 100k
1783 G25
0.001
0.0001
1k 10k
1
V
S
= 3V TOTAL
A
V
= 1
V
IN
= 2V
P-P
AT 1kHz
V
S
= ±1.5V
V
IN
= ±1V
V
S
= 3V, 0V
V
IN
= 0.5V TO 2.5V
V
S
= 3V, 0V
V
IN
= 0.2V TO 2.2V
OUTPUT VOLTAGE AMPLITUDE (V
P-P
)
0.1
THD + NOISE (%)
1
0123
1783 G26
0.01
0.001
10
A
V
= –1
R
F
= R
G
= 100k
V
S
= ±1.5V
V
CM
= 0V
A
V
= 1
V
S
= ±1.5V
V
CM
= 0V
A
V
= –1
R
F
= R
G
= 100k
V
S
= 3V, 0V
V
CM
= 1.5V
A
V
= 1
V
S
= 3V, 0V
V
CM
= 1.5V
OUTPUT VOLTAGE (V)
–6–4–20246–5 –3 –1 1 3 5
INPUT OFFSET VOLTAGE CHANGE (50μV/DIV)
1783 G27
R
L
= 2k
V
S
= ±5V
R
L
= 10k
R
L
= 50k
SHUTDOWN PIN VOLTAGE (V)
0 0.5 1 1.5 2 2.5
SUPPLY CURRENT PER AMPLIFIER (μA)
1783 G28
275
250
225
200
175
150
125
100
75
50
25
0
T
A
= 25°C
T
A
= –55°C
T
A
= 125°C
V
S
= 5V, 0V
V
S
= ±5V
A
V
= 1
C
L
= 15pF
1783 G29
V
S
= ±5V
A
V
= 1
C
L
= 15pF
1783 G30