LT1492/LT1493
TYPICAL PERFORMANCE CHARACTERISTICS
Undistorted Output Swing
vs Frequency, V
S
=
±15V
TOTAL HARMONIC DISTORTION AND NOISE (%)
30
25
OUTPUT SWING (V
P-P
)
20
15
10
5
0
V
S
=
±15V
R
L
= 100k
DISTORTION
≤
1%
1k
10k
FREQUENCY (Hz)
100k
1492/93 G10
OPEN-LOOP VOLTAGE GAIN (V/mV)
A
V
= 1
A
V
= –1
Open-Loop Gain, V
S
= 5V
POSITIVE OUTPUT SATURATION, V
+
– V
OUT
(V)
INPUT, 5µV/DIV
2.0
OPEN-LOOP VOLTAGE GAIN (V/mV)
R
L
= 2k
R
L
= 5k
0
1
2
3
OUTPUT (V)
Open-Loop Gain, V
S
=
±15V
1000
NEGATIVE OUTPUT SATURATION (mV)
INPUT, 5µV/DIV
R
L
= 2k
CHANNEL SEPARATION (dB)
R
L
= 5k
– 10
0
OUTPUT (V)
8
U W
4
Total Harmonic Distortion
and Noise vs Frequency
1
V
S
= 5V, 0V
V
OUT
= 3V
P-P
R
L
= 2k
0.1
Open-Loop Voltage Gain
vs Supply Voltage
5000
R
L
= 2k
T
A
= – 55°C
4000
3000
0.01
T
A
= 25°C
A
V
= 10
2000
T
A
= 125°C
1000
0.001
A
V
= 1
0.0001
10
100
1k
10k
FREQUENCY (Hz)
100k
1492/93 G11
0
0
4
8 12 16 20 24 28 32 36 40
TOTAL SUPPLY VOLTAGE (V)
1492/93 G12
Positive Output Saturation
Voltage vs Load Current
2.5
V
S
= 5V, 0V
100000
Voltage Gain vs Load Resistance
T
A
= 25°C
V
S
=
±15V
10000
1.5
1000
V
S
= 5V, 0V
1.0 T = –55°C
A
0.5
T
A
= 125°C
0
– 0.001
– 0.01
T
A
= 25°C
–1
– 10
– 0.1
LOAD CURRENT (mA)
– 100
100
5
1492/93 G13
10
0
2
4
6
8
LOAD RESISTANCE (kΩ)
10
1492/93 G15
1492/93 G14
Negative Output Saturation
Voltage vs Load Current
V
S
= 5V, 0V
Channel Separation vs Frequency
130
120
110
100
90
80
70
60
V
S
=
±15V
100
10
T
A
= 125°C
T
A
= 25°C, – 55°C
10
1492/93 G16
1
0.001
0.01
0.1
1
10
LOAD CURRENT (mA)
100
1k
10k
100k
1M
FREQUENCY (Hz)
10M
1492/93 G18
1492/93 G17
LINER [ LINEAR TECHNOLOGY ]
