Datasheet

8
LT1492/LT1493
Undistorted Output Swing
vs Frequency, V
S
= ±15V
Open-Loop Voltage Gain
vs Supply Voltage
TOTAL SUPPLY VOLTAGE (V)
0
OPEN-LOOP VOLTAGE GAIN (V/mV)
3000
4000
5000
32
1492/93 G12
2000
1000
0
8
16
24
436
12
20
28
40
R
L
= 2k
T
A
= 125°C
T
A
= 25°C
T
A
= –55°C
Total Harmonic Distortion
and Noise vs Frequency
FREQUENCY (Hz)
10
0.0001
TOTAL HARMONIC DISTORTION AND NOISE (%)
0.01
1
1k 10k100 100k
1492/93 G11
0.001
0.1
V
S
= 5V, 0V
V
OUT
= 3V
P-P

R
L
= 2k
A
V
= 10
A
V
= 1
TYPICAL PERFORMANCE CHARACTERISTICS
UW
Open-Loop Gain, V
S
= 5V
R
L
= 2k
R
L
= 5k
INPUT, 5µV/DIV
Voltage Gain vs Load Resistance
LOAD RESISTANCE (kΩ)
100
OPEN-LOOP VOLTAGE GAIN (V/mV)
1000
10000
100000
0468
10
2
10
1492/93 G15
T
A
= 25°C
V
S
= ±15V
V
S
= 5V, 0V
Open-Loop Gain, V
S
= ±15V
Channel Separation vs Frequency
R
L
= 5k
R
L
= 2k
FREQUENCY (Hz)
80
CHANNEL SEPARATION (dB)
100
120
130
1k 100k 1M 10M
1492/93 G18
60
10k
110
90
70
V
S
= ±15V
Positive Output Saturation
Voltage vs Load Current
LOAD CURRENT (mA)
–0.001
POSITIVE OUTPUT SATURATION, V
+
– V
OUT
(V)
1.5
2.0
2.5
–10
1492/93 G14
1.0
0.5
0
–0.01
–0.1
–1
–100
V
S
= 5V, 0V
T
A
= –55°C
T
A
= 125°C T
A
= 25°C
Negative Output Saturation
Voltage vs Load Current
0123 45
OUTPUT (V)
1492/93 G13
INPUT, 5µV/DIV
–10
OUTPUT (V)
1492/93 G16
100
LOAD CURRENT (mA)
0.001 0.01
NEGATIVE OUTPUT SATURATION (mV)
10
100
1000
0.1 1 10 100
1492/93 G17
1
V
S
= 5V, 0V
T
A
= 125°C
T
A
= 25°C, –55°C
FREQUENCY (Hz)
1k
0
OUTPUT SWING (V
P-P
)
5
10
15
20
30
10k 100k
1492/93 G10
25
V
S
= ±15V
R
L
= 100k
DISTORTION ≤ 1%
A
V
= –1A
V
= 1