LT1490A/LT1491A
6
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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 = ±15V, VCM = 0V, VOUT = 0V unless otherwise noted. (Note 4)
The ● denotes specifications which apply over the full operating temperature range of – 40°C ≤ TA ≤ 125°C, VS = 3V, 0V; VS = 5V, 0V;
VCM = VOUT = half supply unless otherwise noted. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
LT1490AC/LT1491AC
LT1490AI/LT1491AI
UNITS
MIN
TYP
MAX
ISC
Short-Circuit Current (Note 2)
Short to GND
0°C ≤ TA ≤ 70°C
–40°C ≤ TA ≤ 85°C
±20
±15
±10
±25
mA
PSRR
Power Supply Rejection Ratio
VS = ±1.25V to ±22V
l
88
98
dB
IS
Supply Current per Amplifier
l
50
70
85
μA
GBW
Gain Bandwidth Product
f = 1kHz
0°C ≤ TA ≤ 70°C
–40°C ≤ TA ≤ 85°C
l
125
110
100
200
kHz
SR
Slew Rate
AV = –1, RL = ∞, VO = ±10V,
Measured at VO = ±5V
0°C ≤ TA ≤ 70°C
–40°C ≤ TA ≤ 85°C
l
0.0375
0.0330
0.0300
0.07
SYMBOL
PARAMETER
CONDITIONS
LT1490AH/LT1491AH
UNITS
MIN
TYP
MAX
VOS
Input Offset Voltage (Note 5)
LT1490AHS8
l
110
500
2500
μV
LT1490AHMS8, LT1491AHS
l
220
1000
3000
μV
Input Offset Voltage Drift (Note 9)
l
3
6
μV/°C
IOS
Input Offset Current
VCM = 44V (Note 6)
l
2
1.5
nA
μA
IB
Input Bias Current
VCM = 44V (Note 6)
l
20
15
nA
μA
Input Voltage Range
l
0.3
44
V
CMRR
Common Mode Rejection Ratio
(Note 6)
VCM = 0.3V to VCC –1V
VCM = 0.3V to 44V
l
60
74
dB
AVOL
Large-Signal Voltage Gain
VS = 3V, VO = 500mV to 2.5V, RL = 10k
l
200
25
1500
V/mV
VS = 5V, VO = 500mV to 4.5V, RL = 10k
l
400
50
1500
V/mV
VOL
Output Voltage Swing Low
VS = 3V, No Load
VS = 3V, ISINK = 2.5mA
l
15
450
mV
VS = 5V, No Load
VS = 5V, ISINK = 2.5mA
l
15
500
mV
VOH
Output Voltage Swing High
VS = 3V, No Load
VS = 3V, ISOURCE = 5mA
l
2.925
2.350
V
VS = 5V, No Load
VS = 5V, ISOURCE = 10mA
l
4.925
4.100
V
PSRR
Power Supply Rejection Ratio
VS = 2.5V to 12.5V, VCM = VO = 1V
l
80
dB
Minimum Operating Supply Voltage
l
2.5
V
Reverse Supply Voltage
IS = –100μA per Amplifier
l
18
V