LT1490C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1490C' PDF : 12 Pages View PDF
LT1490/LT1491
ELECTRICAL CHARACTERISTICS
VS = 3V, 0V; VS = 5V, 0V; VCM = VOUT = half supply, TA = 25°C, unless otherwise noted. (Note 2)
SYMBOL
RIN
CIN
CMRR
AVOL
VOL
VOH
ISC
PSRR
IS
GBW
SR
PARAMETER
Input Resistance
Input Capacitance
Input Voltage Range
Common Mode Rejection Ratio
(Note 3)
Large-Signal Voltage Gain
Output Voltage Swing Low
Output Voltage Swing High
Short-Circuit Current (Note 1)
Power Supply Rejection Ratio
Minimum Operating Supply Voltage
Reverse Supply Voltage
Supply Current per Amplifier
(Note 4)
Gain Bandwidth Product
(Note 3)
Slew Rate
(Note 5)
CONDITIONS
Differential
Common Mode, VCM = 0V to 44V
VCM = 0V to VCC – 1V
VCM = 0V to 44V
VS = 3V, VO = 500mV to 2.5V, RL = 10k
0°C ≤ TA ≤ 70°C
– 40°C ≤ TA ≤ 85°C
VS = 5V, VO = 500mV to 4.5V, RL = 10k
0°C ≤ TA ≤ 70°C
– 40°C ≤ TA ≤ 85°C
VS = 3V, No Load
VS = 3V, ISINK = 5mA
VS = 5V, No Load
VS = 5V, ISINK = 5mA
VS = 5V, ISINK = 10mA
VS = 3V, No Load
VS = 3V, ISOURCE = 5mA
VS = 5V, No Load
VS = 5V, ISOURCE = 10mA
VS = 3V, Short to GND
VS = 3V, Short to VCC
VS = 5V, Short to GND
VS = 5V, Short to VCC
VS = 2.5V to 12.5V, VCM = VO = 1V
IS = – 100µA per Amplifier
f = 1kHz
0°C ≤ TA ≤ 70°C
– 40°C ≤ TA ≤ 85°C
AV = – 1, RL = ∞
0°C ≤ TA ≤ 70°C
– 40°C ≤ TA ≤ 85°C
MIN
6
4
q
0
q
84
q
80
200
q
133
q
100
400
q
250
q
200
q
q
q
q
q
2.95
q
2.55
q
4.95
q
4.30
10
10
15
15
q
84
q
q
18
q
110
q
100
q
90
0.035
q 0.031
q 0.030
VS = ±15V, VCM = 0V, VOUT = 0V, TA = 25°C, unless otherwise noted. (Note 2)
SYMBOL PARAMETER
CONDITIONS
VOS
Input Offset Voltage
LT1490 N, S Package
0°C ≤ TA ≤ 70°C
– 40°C ≤ TA ≤ 85°C
LT1491 N Package
0°C ≤ TA ≤ 70°C
– 40°C ≤ TA ≤ 85°C
LT1490CMS8 Package, LT1491 S Package
0°C ≤ TA ≤ 70°C
– 40°C ≤ TA ≤ 85°C
MIN
q
q
q
q
q
q
TYP
MAX
17
11
4.6
44
98
98
1500
1500
22
50
250
450
22
50
250
500
330
500
2.978
2.6
4.978
4.6
15
30
25
30
98
2
2.5
27
40
50
55
180
0.06
TYP
MAX
250
1200
1400
1500
350
1250
1500
1600
400
1600
1850
1950
UNITS
MΩ
MΩ
pF
V
dB
dB
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
mV
mV
mV
mV
mV
V
V
V
V
mA
mA
mA
mA
dB
V
V
µA
µA
kHz
kHz
kHz
V/µs
V/µs
V/µs
UNITS
µV
µV
µV
µV
µV
µV
µV
µV
µV
3
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