Linear Technology LT1490CN8 Linear IC DIP8 Dual R-to-R I/O OA LT1490CN8 Data Sheet
Product codes
LT1490CN8
6
LT1490/LT1491
FREQUENCY (kHz)
1
10
GAIN (dB)
PHASE SHIFT (DEG)
20
30
40
50
10
100
1000
1490/91 G10
0
–10
–20
–30
60
70
–20
0
20
40
60
– 40
– 60
– 80
–100
80
100
V
S
=
±
2.5V
PHASE
GAIN
Gain and Phase Shift
vs Frequency
vs Frequency
Slew Rate vs Temperature
Gain Bandwidth Product
vs Temperature
vs Temperature
Gain Bandwidth Product and
Phase Margin vs Supply Voltage
Phase Margin vs Supply Voltage
PSRR vs Frequency
Gain Bandwidth Product and
Phase Margin vs Load Resistance
Phase Margin vs Load Resistance
CMRR vs Frequency
Channel Separation vs Frequency
Output Impedance vs Frequency
TEMPERATURE (
°
C)
–50
SLEW RATE (V/
µ
s)
0
50
75
1490/91 G12
0.04
0.06
0.10
0.12
0.08
–25
25
100
125
RISING, V
S
=
±
15V
RISING, V
S
=
±
1.5V
FALLING, V
S
=
±
1.5V
FALLING, V
S
=
±
15V
TOTAL SUPPLY VOLTAGE (V)
0
150
GAIN BANDWIDTH PRODUCT (kHz)
PHASE MARGIN (DEG)
160
180
190
200
250
220
10
20
25
45
1490/91 G13
170
230
240
210
10
30
60
20
50
40
5
15
30
35
40
R
L
= 10k
f = 1kHz
PHASE MARGIN
GAIN BANDWIDTH
FREQUENCY (kHz)
1
COMMON MODE REJECTION RATIO (dB)
10
120
100
80
60
40
20
100
1490 G14
V
S
=
±
15V
V
S
=
±
1.5V
FREQUENCY (kHz)
1
–20
POWER SUPPLY REJECTION RATIO (dB)
0
20
40
60
10
100
1490/91 G15
–10
10
30
50
70
80
V
S
=
±
2.5V
POSITIVE SUPPLY
NEGATIVE SUPPLY
LOAD RESISTANCE (k
Ω
)
1
50
GAIN BANDWIDTH PRODUCT (kHz)
PHASE MARGIN (DEG)
100
150
200
250
350
10
100
1490/91 G16
300
20
30
40
50
60
80
70
V
S
=
±
2.5V
A
V
= –1
R
F
= R
G
= 100k
f = 1kHz
PHASE MARGIN
GAIN BANDWIDTH
FREQUENCY (kHz)
0.1
90
CHANNEL SEPARATION (dB)
100
110
120
130
1
10
100
1490/91 G17
80
70
50
40
60
V
S
=
±
15V
FREQUENCY (kHz)
0.1
OUTPUT IMPEDANCE (
Ω
)
100
1k
10k
1
10
100
1490/91 G18
10
1
0.1
V
S
=
±
2.5V
A
V
= 100
A
V
= 10
A
V
= 1
TEMPERATURE (
°
C)
–50
GAIN BANDWIDTH PRODUCT (kHz) 120
140
160
260
200
0
50
75
1490/91 G11
100
220
240
180
–25
25
100
125
V
S
=
±
15V
V
S
=
±
3V
f = 1kHz
TYPICAL PERFOR A CE CHARACTERISTICS
U
W