LT1491AIS Linear Technology, LT1491AIS Datasheet - Page 16

IC OP-AMP R-R IN/OUT QUAD 14SOIC

LT1491AIS

Manufacturer Part Number
LT1491AIS
Description
IC OP-AMP R-R IN/OUT QUAD 14SOIC
Manufacturer
Linear Technology
Series
Over-The-Top®r
Datasheet

Specifications of LT1491AIS

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
-40°C ~ 85°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
-
Other names
Q1477605

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LT1491AIS
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LT1491AIS#PBF
Manufacturer:
ADI
Quantity:
2 995
Part Number:
LT1491AIS#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LT1491AIS#TRPBF
Manufacturer:
ADI/亚德诺
Quantity:
20 000
RELATED PARTS
TYPICAL APPLICATIO
LT1490A/LT1491A
CADENCE OSCILLATOR
PART NUMBER
LT1366/LT1367
LT1636
LT1638/LT1639
LT1782
LT1783
16
R1
33k
3
2
C1
1µF
1/4 LT1491A
+
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
*LED OF OPTO1 ILLUMINATES WHEN THE PHONE IS OFF THE HOOK
SEE DESIGN NOTE DN134 FOR A DISCUSSION OF THE CIRCUIT
1.6M
R4
DESCRIPTION
Dual/Quad Precision, Rail-to-Rail Input and Output Op Amps
Single Over-The-Top Micropower Rail-to-Rail Input and Output
Op Amp
Dual/Quad 1.2MHz Over-The-Top Micropower, Rail-to-Rail
Input and Output Op Amps
Micropower, Over-The-Top, SOT-23, Rail-to-Rail
Input and Output Op Amp
1.2MHz, Over-The-Top, Micropower, Rail-to-Rail
Input and Output Op Amp
1
1N4148
0.47µF
R3
10k
47k
R2
D1
FAX: (408) 434-0507
C2
R5
100k
5
6
1/4 LT1491A
620k
+
R8
U
20Hz OSCILLATOR
10k
16k
R6
R7
www.linear.com
7
300k
R9
Ring-Tone Generator
R10
620k
0.068µF
R11
10k
C4
SMOOTHING FILTER
10
9
0.01µF
C3
0.047µF
1/4 LT1491A
+
POWER AMPLIFIER
C5
COMMENTS
475µV V
55µA Supply Current, V
Independent of V
0.4V/µs Slew Rate, 230µA Supply Current per Amplifier
SOT-23, 800µV V
Gain-Bandwidth = 200kHz, Shutdown Pin
SOT-23, 800µV V
Gain-Bandwidth = 1.2MHz, Shutdown Pin
130k
IRF9620
R12
R13
10k
8
OS(MAX)
Q2
–180V
R14
10k
R15
47k
13
12
, 500V/mV A
CC
IRF628
OS(MAX)
OS(MAX)
1/4 LT1491A
+
, MSOP Package, Shutdown Function
Q1
100k
15V
11
R20
Z2
60V
CM
, I
, I
4
R24
420
S
S
© LINEAR TECHNOLOGY CORPORATION 2000
Extends 44V above V
VOL(MIN)
=55µA (Max),
=300µA (Max),
100k
15V
Z1
R19
620Ω
47µF
14
C7
LT/TP 0105 REV B • PRINTED IN USA
100k
R16
, 400kHz GBW
2N3904
R23
4.7k
R25
4.7k
620Ω
100Ω
Q4
2N3906
R17
R18
Q3
EE
R21
150Ω
sn1490, 14901afbs
C6
0.033µF
LOAD
,
1490A TA03
Q5
2N3904
R26
2k
UP TO
TEN
PHONES
OPTO1*

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