LT1490/LT1491
ELECTRICAL CHARACTERISTICS
VS = 3V, 0V; VS = 5V, 0V; VCM = VOUT = half supply, TA = 25°C, unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
R
Input Resistance
Differential
6
4
17
11
MΩ
MΩ
IN
Common Mode, V = 0V to 44V
CM
C
Input Capacitance
4.6
pF
V
IN
Input Voltage Range
●
0
44
CMRR
Common Mode Rejection Ratio
(Note 3)
V
V
= 0V to V – 1V
●
●
84
80
98
98
dB
dB
CM
CM
CC
= 0V to 44V
A
Large-Signal Voltage Gain
V = 3V, V = 500mV to 2.5V, R = 10k
200
133
100
1500
V/mV
V/mV
V/mV
VOL
S
O
L
0°C ≤ T ≤ 70°C
●
●
A
–40°C ≤ T ≤ 85°C
A
V = 5V, V = 500mV to 4.5V, R = 10k
400
250
200
1500
V/mV
V/mV
V/mV
S
O
L
0°C ≤ T ≤ 70°C
●
●
A
–40°C ≤ T ≤ 85°C
A
V
V
Output Voltage Swing Low
V = 3V, No Load
●
●
22
50
mV
mV
OL
OH
S
V = 3V, I
= 5mA
250
450
S
SINK
V = 5V, No Load
●
●
22
250
330
50
500
500
mV
mV
mV
S
V = 5V, I
= 5mA
= 10mA
S
SINK
SINK
V = 5V, I
S
Output Voltage Swing High
V = 3V, No Load
●
●
2.95
2.55
2.978
2.6
V
V
S
V = 3V, I
S
= 5mA
SOURCE
V = 5V, No Load
●
●
4.95
4.30
4.978
4.6
V
V
S
V = 5V, I
= 10mA
S
SOURCE
I
Short-Circuit Current (Note 1)
V = 3V, Short to GND
10
10
15
30
mA
mA
SC
S
V = 3V, Short to V
S
CC
V = 5V, Short to GND
15
15
25
30
mA
mA
S
V = 5V, Short to V
S
CC
PSRR
Power Supply Rejection Ratio
Minimum Operating Supply Voltage
Reverse Supply Voltage
V = 2.5V to 12.5V, V = V = 1V
●
●
●
84
98
2
dB
V
S
CM
O
2.5
I = –100µA per Amplifier
S
18
27
40
V
I
Supply Current per Amplifier
(Note 4)
50
55
µA
µA
S
●
GBW
SR
Gain Bandwidth Product
(Note 3)
f = 1kHz
110
100
90
180
kHz
kHz
kHz
0°C ≤ T ≤ 70°C
●
●
A
–40°C ≤ T ≤ 85°C
A
Slew Rate
(Note 5)
A = –1, R = ∞
0.035
0.031
0.030
0.06
V/µs
V/µs
V/µs
V
L
0°C ≤ T ≤ 70°C
●
●
A
–40°C ≤ T ≤ 85°C
A
VS = ±15V, VCM = 0V, VOUT = 0V, TA = 25°C, unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
OS
Input Offset Voltage
LT1490 N, S Package
250
1200
1400
1500
µV
µV
µV
0°C ≤ T ≤ 70°C
●
●
A
–40°C ≤ T ≤ 85°C
A
LT1491 N Package
350
400
1250
1500
1600
µV
µV
µV
0°C ≤ T ≤ 70°C
●
●
A
–40°C ≤ T ≤ 85°C
A
LT1490CMS8 Package, LT1491 S Package
1600
1850
1950
µV
µV
µV
0°C ≤ T ≤ 70°C
●
●
A
–40°C ≤ T ≤ 85°C
A
3
Linear [ Linear ]
