LT1491AIS#TRPBF Datasheet LT1490ACMS8#TRPBF, LT1490AIS8#PBF, LT1490ACS8#PBF | P16-P18

LT1490A/LT1491A

14901afd

PACKAGE DESCRIPTION

Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.

3.00 p0.10

(2 SIDES)

5.00 p0.10

(2 SIDES)

NOTE:

1. DRAWING PROPOSED TO BE MADE VARIATION OF VERSION (WJED-1) IN JEDEC

PACKAGE OUTLINE MO-229

2. DRAWING NOT TO SCALE

3. ALL DIMENSIONS ARE IN MILLIMETERS

4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE

MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE

5. EXPOSED PAD SHALL BE SOLDER PLATED

6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE

TOP AND BOTTOM OF PACKAGE

0.40 p 0.10

BOTTOM VIEW—EXPOSED PAD

1.65 p 0.10

(2 SIDES)

0.75 p0.05

R = 0.115

TYP

R = 0.20

TYP

4.40 p0.10

(2 SIDES)

169

PIN 1

TOP MARK

(SEE NOTE 6)

0.200 REF

0.00 – 0.05

(DHC16) DFN 1103

0.25 p 0.05

PIN 1

NOTCH

0.50 BSC

4.40 p0.05

(2 SIDES)

RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS

1.65 p0.05

(2 SIDES)

2.20 p0.05

0.50 BSC

0.65 p0.05

3.50 p0.05

PACKAGE

OUTLINE

0.25 p 0.05

DHC Package

16-Lead Plastic DFN (5mm × 3mm)

(Reference LTC DWG # 05-08-1706)

LT1490A/LT1491A

14901afd

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-

tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.

REVISION HISTORY

REV DATE DESCRIPTION PAGE NUMBER

C 10/10 Changed units from mV to V for V

in Electrical Characteristics

Updated package drawings

13-16

D 12/11 Revised Order Information 3

(Revision history begins at Rev C)

LT1490A/LT1491A

14901afd

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900

●

FAX: (408) 434-0507

●

www.linear.com

LT 1211 REV D • PRINTED IN USA

RELATED PARTS

TYPICAL APPLICATION

Ring-Tone Generator

–

1490A TA03

10k

47k

16k

620k

1.6M

33k

10k

100k

R10

620k

0.068µF

0.047µF

0.01µF

R13

130k

R12

10k

R15

47k

R14

10k

R24

420

47µF

LOAD

UP TO

TEN

PHONES

R23

4.7k

R26

2N3904

2N3906

IRF9620

–180V

POWER AMPLIFIER

SMOOTHING FILTER

20Hz OSCILLATORCADENCE OSCILLATOR

*LED OF OPTO1 ILLUMINATES WHEN THE PHONE IS OFF THE HOOK

SEE DESIGN NOTE DN134 FOR A DISCUSSION OF THE CIRCUIT

R18

100

R17

620

R16

100k

15V

100k

R25

4.7k

0.033µF

R21

150

R19

620

15V

300k

R11

10k

1N4148

0.47µF

1µF

1/4 LT1491A

IRF628

2N3904

60V

1/4 LT1491A

OPTO1*

R20

100k

1/4 LT1491A

PART NUMBER DESCRIPTION COMMENTS

LT1366/LT1367 Dual/Quad Precision, Rail-to-Rail Input and Output Op Amps 475µV V

OS(MAX)

, 500V/mV A

VOL(MIN)

, 400kHz GBW

LT1636 Single Over-The-Top Micropower Rail-to-Rail Input and Output

Op Amp

55µA Supply Current, V

Extends 44V Above V

Independent of V

, MSOP Package, Shutdown Function

LT1638/LT1639 Dual/Quad 1.2MHz Over-The-Top Micropower, Rail-to-Rail

Input and Output Op Amps

0.4V/µs Slew Rate, 230µA Supply Current per Amplifier

LT1782 Micropower, Over-The-Top, SOT-23, Rail-to-Rail Input and

Output Op Amp

SOT-23, 800µV V

OS(MAX)

, I

= 55µA (Max),

Gain-Bandwidth = 200kHz, Shutdown Pin

LT1783 1.2MHz, Over-The-Top, Micropower, Rail-to-Rail Input and

Output Op Amp

SOT-23, 800µV V

OS(MAX)

, I

= 300µA (Max),

Gain-Bandwidth = 1.2MHz, Shutdown Pin

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18

LT1491AIS#TRPBF

Mfr. #:

Buy LT1491AIS#TRPBF

Manufacturer:

Analog Devices Inc.

Description:

Operational Amplifiers - Op Amps Quad uP R-to-R I/O Op Amp

Lifecycle:

New from this manufacturer.

Delivery:

DHL FedEx Ups TNT EMS

Payment:

T/T Paypal Visa MoneyGram Western Union

LT1491AIS#TRPBF

LT1491AIS#TRPBF

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