LT1491AH Ver la hoja de datos (PDF) - Linear Technology
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LT1491AH Datasheet PDF : 18 Pages
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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 = ±15V, VCM = 0V, VOUT = 0V unless otherwise noted. (Note 4)
SYMBOL PARAMETER
CONDITIONS
LT1490AC/LT1491AC
LT1490AI/LT1491AI
MIN
TYP
MAX
UNITS
ISC
PSRR
IS
Short-Circuit Current (Note 2)
Power Supply Rejection Ratio
Supply Current per Amplifier
Short to GND
0°C ≤ TA ≤ 70°C
–40°C ≤ TA ≤ 85°C
VS = ±1.25V to ±22V
±20
±25
mA
±15
mA
±10
mA
l 88
98
dB
50
70
μA
l
85
μA
GBW
Gain Bandwidth Product
SR
Slew Rate
f = 1kHz
0°C ≤ TA ≤ 70°C
–40°C ≤ TA ≤ 85°C
AV = –1, RL = ∞, VO = ±10V,
Measured at VO = ±5V
0°C ≤ TA ≤ 70°C
–40°C ≤ TA ≤ 85°C
125
200
kHz
l 110
kHz
l 100
kHz
0.0375 0.07
V/μs
l 0.0330
V/μs
l 0.0300
V/μs
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
VOS
PARAMETER
Input Offset Voltage (Note 5)
CONDITIONS
LT1490AHS8
LT1490AHMS8, LT1491AHS
IOS
IB
CMRR
AVOL
VOL
VOH
PSRR
Input Offset Voltage Drift (Note 9)
Input Offset Current
Input Bias Current
Input Voltage Range
Common Mode Rejection Ratio
(Note 6)
Large-Signal Voltage Gain
VCM = 44V (Note 6)
VCM = 44V (Note 6)
VCM = 0.3V to VCC –1V
VCM = 0.3V to 44V
VS = 3V, VO = 500mV to 2.5V, RL = 10k
VS = 5V, VO = 500mV to 4.5V, RL = 10k
Output Voltage Swing Low
Output Voltage Swing High
Power Supply Rejection Ratio
Minimum Operating Supply Voltage
Reverse Supply Voltage
VS = 3V, No Load
VS = 3V, ISINK = 2.5mA
VS = 5V, No Load
VS = 5V, ISINK = 2.5mA
VS = 3V, No Load
VS = 3V, ISOURCE = 5mA
VS = 5V, No Load
VS = 5V, ISOURCE = 10mA
VS = 2.5V to 12.5V, VCM = VO = 1V
IS = –100μA per Amplifier
LT1490AH/LT1491AH
MIN
TYP
MAX
110
500
l
2500
220
1000
l
3000
l
3
6
l
2
l
1.5
l
20
l
15
l 0.3
44
l 60
l 74
200
1500
l 25
400
1500
l 50
l
15
l
450
l
15
l
500
l 2.925
l 2.350
l 4.925
l 4.100
l 80
l
2.5
l 18
UNITS
μV
μV
μV
μV
μV/°C
nA
μA
nA
μA
V
dB
dB
V/mV
V/mV
V/mV
V/mV
mV
mV
mV
mV
V
V
V
V
dB
V
V
14901afd
6
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