LT1490/LT1491
ELECTRICAL CHARACTERISTICS
VS = ±15V, VCM = 0V, VOUT = 0V, TA = 25°C, unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
3
MAX
6
UNITS
µV/°C
nA
Input Offset Voltage Drift
Input Offset Current
Input Bias Current
0°C ≤ T ≤ 70°C (Note 6)
●
●
●
A
I
I
0.2
4
0.8
8
OS
B
nA
Input Noise Voltage
Input Noise Voltage Density
Input Noise Current Density
Input Resistance
0.1Hz to 10Hz
f = 1kHz
1
µV
P-P
e
50
0.03
nV/√Hz
pA/√Hz
n
i
n
f = 1kHz
R
Differential
Common Mode, V = –15V to 14V
6
17
15000
MΩ
MΩ
IN
CM
C
Input Capacitance
4.6
pF
V
IN
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
0°C ≤ T ≤ 70°C
–40°C ≤ T ≤ 85°C
100
75
50
250
V/mV
V/mV
V/mV
O
L
●
●
A
A
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
= ±10mA
OUT
OUT
I
Short-Circuit Current (Note 1)
Short to GND
0°C ≤ T ≤ 70°C
±20
±15
±10
±25
mA
mA
mA
SC
●
●
A
–40°C ≤ T ≤ 85°C
A
PSRR
Power Supply Rejection Ratio
Supply Current per Amplifier
V = ±1.25V to ±22V
S
●
88
98
50
dB
I
70
85
µA
µA
S
●
GBW
SR
Gain Bandwidth Product
Slew Rate
f = 1kHz
125
110
100
200
kHz
kHz
kHz
0°C ≤ T ≤ 70°C
●
●
A
–40°C ≤ T ≤ 85°C
A
A = –1, R = ∞, V = ±10V,
0.0375
0.07
V/µs
V
L
O
Measure at V = ±5V
O
0°C ≤ T ≤ 70°C
●
●
0.0330
0.0300
V/µs
V/µs
A
–40°C ≤ T ≤ 85°C
A
Note 3: V = 5V limits are guaranteed by correlation to V = 3V and
V = ±15V tests.
S
The
● denotes specifications which apply over the full operating
S
S
temperature range.
Note 4: V = 3V limits are guaranteed by correlation to V = 5V and
Note 1: A heat sink may be required to keep the junction temperature
below absolute maximum. This depends on the power supply voltage
and how many amplifiers are shorted.
S
S
V = ±15V tests.
S
Note 5: Guaranteed by correlation to slew rate at V = ±15V and GBW
S
Note 2: The LT1490/LT1491 are designed, characterized and expected
to meet these extended temperature limits, but are not tested at –40°C
and 85°C. Guaranteed I grade parts are available, consult factory.
at V = 3V and V = ±15V tests.
Note 6: This parameter is not 100% tested.
S S
4
Linear [ Linear ]
