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Linear Technology LT1490CN8 Linear IC DIP8 Dual R-to-R I/O OA LT1490CN8 Data Sheet

Product codes
LT1490CN8
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Page of 12
3
LT1490/LT1491
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
e
n
Input Noise Voltage Density
f = 1kHz
50
nV/
√
Hz
i
n
Input Noise Current Density
f = 1kHz
0.03
pA/
√
Hz
R
IN
Input Resistance
Differential
6
17
M
Ω
Common Mode, V
CM
 = 0V to 44V
4
11
M
Ω
C
IN
Input Capacitance
4.6
pF
Input Voltage Range
●
0
44
V
CMRR
Common Mode Rejection Ratio
V
CM 
= 0V to V
CC
 – 1V
●
84
98
dB
(Note 4)
V
CM 
= 0V to 44V
●
80
98
dB
A
VOL
Large-Signal Voltage Gain
V
S
 = 3V, V
O
 = 500mV to 2.5V, R
L
 = 10k
200
1500
V/mV
0
°
C 
≤
 T
A
 
≤
 70
°
C
●
133
V/mV
– 40
°
C 
≤
 T
A
 
≤
 85
°
C
●
100
V/mV
V
S
 = 5V, V
O
 = 500mV to 4.5V, R
L
 = 10k
400
1500
V/mV
0
°
C 
≤
 T
A
 
≤
 70
°
C
●
250
V/mV
– 40
°
C 
≤
 T
A
 
≤
 85
°
C
●
200
V/mV
V
OL
Output Voltage Swing Low
V
S
 = 3V, No Load
●
22
50
mV
V
S
 = 3V, I
SINK
 = 5mA
●
250
450
mV
V
S
 = 5V, No Load
●
22
50
mV
V
S
 = 5V, I
SINK
 = 5mA
●
250
500
mV
V
S
 = 5V, I
SINK
 = 10mA
330
500
mV
V
OH
Output Voltage Swing High
V
S
 = 3V, No Load
●
2.95
    2.978
V
V
S
 = 3V, I
SOURCE
 = 5mA
●
2.55
2.6
V
V
S
 = 5V, No Load
●
4.95
    4.978
V
V
S
 = 5V, I
SOURCE
 = 10mA
●
4.30
4.6
V
I
SC
Short-Circuit Current (Note 2)
V
S
 = 3V, Short to GND
10
15
mA
V
S
 = 3V, Short to V
CC
10
30
mA
V
S
 = 5V, Short to GND
15
25
mA
V
S
 = 5V, Short to V
CC
15
30
mA
PSRR
Power Supply Rejection Ratio
V
S 
= 2.5V to 12.5V, V
CM 
= V
O 
= 1V
●
84
98
dB
Minimum Operating Supply Voltage
●
2
2.5
V
Reverse Supply Voltage
I
S
 = – 100
µ
A per Amplifier
●
18
27
V
I
S
Supply Current per Amplifier
40
50
µ
A
(Note 5)
●
55
µ
A
GBW
Gain Bandwidth Product
f = 1kHz
110
180
kHz
(Note 4)
0
°
C 
≤
 T
A
 
≤
 70
°
C
●
100
kHz
– 40
°
C 
≤
 T
A
 
≤
 85
°
C
●
90
kHz
SR
Slew Rate
A
V 
= – 1, R
L
 = 
∞
0.035
0.06
V/
µ
s
(Note 6)
0
°
C 
≤
 T
A
 
≤
 70
°
C
●
0.031
V/
µ
s
– 40
°
C 
≤
 T
A
 
≤
 85
°
C
●
0.030
V/
µ
s
ELECTRICAL CHARACTERISTICS
The 
●
 denotes specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
 = 25
°
C. V
S 
= 3V, 0V; V
S 
= 5V, 0V; V
CM
 = V
OUT
 = half supply, unless otherwise noted. (Note 3)