LT1490A/LT1491A
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating
temperature range of –40°C ≤ TA ≤ 85°C, otherwise specifications are at TA = 25°C. VS = 3V, 0V; VS = 5V, 0V; VCM = VOUT = half supply
unless otherwise noted. (Note 4)
LT1490AC/LT1491AC
LT1490AI/LT1491AI
SYMBOL
PARAMETER
CONDITIONS
V = 2.5V to 12.5V, V = V = 1V
MIN
TYP
98
2
MAX
UNITS
l
l
l
PSRR
Power Supply Rejection Ratio
Minimum Operating Supply Voltage
Reverse Supply Voltage
84
dB
V
S
CM
O
2.5
I = –100μA per Amplifier
S
18
27
40
V
I
Supply Current per Amplifier
(Note 7)
50
55
μA
μA
S
l
GBW
SR
Gain Bandwidth Product
(Note 6)
f = 1kHz
110
100
90
180
kHz
kHz
kHz
l
l
0°C ≤ T ≤ 70°C
A
–40°C ≤ T ≤ 85°C
A
Slew Rate
(Note 8)
A = –1, R = ∞
0.035
0.031
0.030
0.06
V/μs
V/μs
V/μs
V
L
l
l
0°C ≤ T ≤ 70°C
A
–40°C ≤ T ≤ 85°C
A
The ● denotes specifications which apply over the full operating temperature range of –40°C ≤ TA ≤ 85°C, otherwise specifications are
at TA = 25°C. VS = 15V, VCM = 0V, VOUT = 0V unless otherwise noted. (Note 4)
LT1490AC/LT1491AC
LT1490AI/LT1491AI
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
Input Offset Voltage (Note 5)
LT1490A N, S Packages
150
700
950
1100
μV
μV
μV
OS
l
l
0°C ≤ T ≤ 70°C
A
–40°C ≤ T ≤ 85°C
A
LT1490A MS8 Package, LT1491A N, S Packages
250
285
1200
1350
1500
μV
μV
μV
l
l
0°C ≤ T ≤ 70°C
A
–40°C ≤ T ≤ 85°C
A
LT1490A DD, LT1491A DHC
1400
1550
1700
μV
μV
μV
l
l
0°C ≤ T ≤ 70°C
A
–40°C ≤ T ≤ 85°C
A
l
l
Input Offset Voltage Drift (Note 9)
–40°C ≤ T ≤ 85°C
2
2
6
7
μV/°C
μV/°C
A
LT1490A DD, LT1491A DHC, –40°C ≤ T ≤ 85°C
A
l
l
l
I
I
Input Offset Current
Input Bias Current
0.2
1
0.8
8
nA
nA
OS
B
Input Bias Current Drift
Input Noise Voltage
–40°C ≤ T ≤ 85°C
5
pA/°C
A
0.1Hz to 10Hz
f = 1kHz
1
μV
P-P
e
Input Noise Voltage Density
Input Noise Current Density
Input Resistance
50
0.015
nV/√Hz
pA/√Hz
n
i
f = 1kHz
n
R
Differential
6
17
15000
Mꢀ
Mꢀ
IN
Common Mode, V = –15V to 14V
CM
C
Input Capacitance
4.6
pF
V
IN
l
l
Input Voltage Range
–15
80
29
CMRR
Common Mode Rejection Ratio
Large-Signal Voltage Gain
V
= –15V to 29V
98
dB
CM
A
VOL
V = 14V, R = 10k
100
75
50
250
V/mV
V/mV
V/mV
O
L
l
l
0°C ≤ T ≤ 70°C
A
–40°C ≤ T ≤ 85°C
A
l
l
V
O
Output Voltage Swing
No Load
14.9
14.5
14.5
14.978
14.750
14.670
V
V
V
I
I
= 5mA
OUT
OUT
= 10mA
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