LT1491ACS#TR Linear Technology, LT1491ACS#TR Datasheet - Page 11
![IC OPAMP QUAD R-R MCRPWR 14SOIC](/photos/6/87/68753/14-soic_05-08-1610_sml.jpg)
LT1491ACS#TR
Manufacturer Part Number
LT1491ACS#TR
Description
IC OPAMP QUAD R-R MCRPWR 14SOIC
Manufacturer
Linear Technology
Series
Over-The-Top®r
Datasheet
1.LT1490ACN8.pdf
(16 pages)
Specifications of LT1491ACS#TR
Amplifier Type
General Purpose
Number Of Circuits
4
Output Type
Rail-to-Rail
Slew Rate
0.07 V/µs
Gain Bandwidth Product
200kHz
Current - Input Bias
1nA
Voltage - Input Offset
250µV
Current - Supply
50µA
Current - Output / Channel
25mA
Voltage - Supply, Single/dual (±)
2 V ~ 44 V, ±1 V ~ 22 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
14-SOIC (3.9mm Width), 14-SOL
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
-3db Bandwidth
-
Available stocks
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SI PLIFIED SCHE ATIC
APPLICATIO S I FOR ATIO
Gain
The open-loop gain is almost independent of load when
the output is sourcing current. This optimizes performance
TYPICAL APPLICATIO S
W
ONE AMPLIFIER
+
R1
30k
2µA
Q5
Q1
Q4
f = 1
V
I
AT V
OUTPUT IS 5kHz SLEW LIMITED TRIANGLE WAVE
5V
S
OUT
= 200µA
– IN
+IN
100k
100k
2RC
S
Square Wave Oscillator
= 5V
= 5V, R = 50k, C = 1nF
U
Q6
P-P
C
0.1µF
WITH 5V SUPPLY
R2
1k
R3
1k
1/2 LT1490A
–
+
U
W
D4
59k
50k
R
1490A TA02
U
W
D5
Q9
Q7
D1
V
OUT
Q8
Q10
U
D2
Q11
Q2
Q12
in single supply applications where the load is returned to
ground. The typical performance photo of Open-Loop
Gain for various loads shows the details.
Q13
V
IN
R4
40k
Optional Output Compensation for
Capacitive Loads Greater Than 200pF
Q14
R5
40k
1/2 LT1490A
+
–
Q15
D3
LT1490A/LT1491A
Q16
Q3
150Ω
Q17
Q18
0.22µF
Q19
Q20
C
1490A TA04
L
Q22
Q21
≤ 10,000pF
sn1490, 14901afbs
1490A SS
11
V
OUT
V
+
–