LT1078SW Linear Technology, LT1078SW Datasheet

LT1078SW

Manufacturer Part Number

LT1078SW

Description

IC PREC OP-AMP MCRPWR DUAL16SOIC

Manufacturer

Linear Technology

Datasheet

1.LT1079CNPBF.pdf (20 pages)

Specifications of LT1078SW

Amplifier Type

General Purpose

Number Of Circuits

Slew Rate

0.1 V/µs

Gain Bandwidth Product

200kHz

Current - Input Bias

7nA

Voltage - Input Offset

70µV

Current - Supply

47µA

Voltage - Supply, Single/dual (±)

2.2 V ~ 30 V, ±1.1 V ~ 15 V

Operating Temperature

0°C ~ 70°C

Mounting Type

Surface Mount

Package / Case

16-SOIC (0.300", 7.5mm Width)

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Output Type

Current - Output / Channel

-3db Bandwidth

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

LT1078SW

Manufacturer:

LT/凌特

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

LT1078SW#PBF

Manufacturer:

LINEAR/凌特

Quantity:

20 000

Current page: 1 of 20
Download datasheet (331Kb)

FEATURES

APPLICATIO S

TYPICAL APPLICATIO

TYPICAL PERFORMANCE

INPUT OFFSET VOLTAGE = 40 V

INPUT OFFSET CURRENT = 0.2nA

TOTAL POWER DISSIPATION = 240 W

COMMON MODE REJECTION = 110dB (AMPLIFIER LIMITED)

GAIN BANDWIDTH PRODUCT = 200kHz

, LTC and LT are registered trademarks of Linear Technology Corporation.

Available in 8-Pin SO Package

50 A Max Supply Current per Amplifier

70 V Max Offset Voltage

180 A Max Offset Voltage in 8-Pin SO

250pA Max Offset Current

0.6 V

3pA

0.4 V/ C Offset Voltage Drift

200kHz Gain Bandwidth Product

0.07V/ s Slew Rate

Single Supply Operation

Output Sources and Sinks 5mA Load Current

Battery or Solar-Powered Systems

Micropower Sample-and-Hold

Thermocouple Amplifier

Micropower Filters

Single Battery, Micropower, Gain = 100, Instrumentation Amplifier

Portable Instrumentation

Remote Sensor Amplifier

Satellite Circuitry

Input Voltage Range Includes Ground

Output Swings to Ground while Sinking Current

No Pull-Down Resistors Needed

P-P

INVERTING

P-P

INPUT

, 0.1Hz to 10Hz Current Noise

, 0.1Hz to 10Hz Voltage Noise

–

1/2 LT1078

10.1k

NONINVERTING

INPUT

10.1k

3V (LITHIUM CELL)

–

OUTPUT NOISE = 85 V

INPUT RANGE

OUTPUT RANGE = 0.03V TO 2.3V

OUTPUTS SINK CURRENT—NO PULL-DOWN RESISTORS

ARE NEEDED

1/2 LT1078

Quad, Single Supply, Precision Op Amps

= 300 V

= 0.03V TO 1.8V

(0.3mV V

LT1078/79 • TA01

P-P

RMS

OUT

0.1Hz TO 10Hz

IN +

OVER FULL BANDWIDTH

– V

IN –

DESCRIPTIO

The LT

packages including the small outline surface mount pack-

age. The LT1079 is a micropower quad op amp offered in

the standard 14-pin packages. Both devices are optimized

for single supply operation at 5V. 15V specifications are

also provided.

Micropower performance of competing devices is achieved

at the expense of seriously degrading precision, noise,

speed and output drive specifications. The design effort of

the LT1078/LT1079 was concentrated on reducing sup-

ply current without sacrificing other parameters. The

offset voltage achieved is the lowest on any dual or quad

nonchopper stabilized op amp—micropower or other-

wise. Offset current, voltage and current noise, slew rate

and gain bandwidth product are all two to ten times better

than on previous micropower op amps.

The 1/f corner of the voltage noise spectrum is at 0.7Hz,

at least three times lower than on any monolithic op amp.

This results in low frequency (0.1Hz to 10Hz) noise

performance which can only be found on devices with an

order of magnitude higher supply current.

Both the LT1078 and LT1079 can be operated from a

single supply (as low as one lithium cell or two Ni-Cad

batteries). The input range goes below ground. The all-

NPN output stage swings to within a few millivolts of

ground while sinking current—no power consuming pull

down resistors are needed.

23mV)

1078 is a micropower dual op amp in 8-pin

Micropower, Dual and

(LT1078 and LT1079 in H, J, N Packages)

Distribution of Input Offset Voltage

–120

= 25 C

= 5V, 0V

–80

INPUT OFFSET VOLTAGE ( V)

LT1078/LT1079

–40

1078/79 • TA02

120

10789fe

Related parts for LT1078SW

LT1078SW Summary of contents

Page 1

... Output Sources and Sinks 5mA Load Current U APPLICATIO S Battery or Solar-Powered Systems Portable Instrumentation Remote Sensor Amplifier Satellite Circuitry Micropower Sample-and-Hold Thermocouple Amplifier Micropower Filters , LTC and LT are registered trademarks of Linear Technology Corporation. U TYPICAL APPLICATIO Single Battery, Micropower, Gain = 100, Instrumentation Amplifier 10. – 10.1k A ...

Page 2

LT1078/LT1079 ABSOLUTE MAXIMUM Supply Voltage ...................................................... 22V Differential Input Voltage ....................................... 30V Input Voltage ............... Equal to Positive Supply Voltage ............5V Below Negative Supply Voltage Output Short-Circuit Duration .......................... Indefinite Storage Temperature Range All Grades ......................................... – ...

Page 3

ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS (NOTE 2) V Input Offset Voltage LT1078 OS LT1078IS8/LT1078S8 LT1079 LT1079ISW/LT1079SW V Long Term Input Offset OS Time Voltage Stability I Input Offset Current OS I Input Bias Current B e Input Noise Voltage 0.1Hz ...

Page 4

LT1078/LT1079 ELECTRICAL CHARACTERISTICS – for I grades, – SYMBOL PARAMETER CONDITIONS V Input Offset Voltage LT1078 OS LT1078IS8/LT1079 LT1079ISW V Input Offset Voltage Drift OS T (Note 6) LT1078IS8 LT1079ISW I ...

Page 5

ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS V Input Offset Voltage (Including LT1078IS8/LT1078S8) OS LT1079ISW/LT1079SW I Input Offset Current OS I Input Bias Current B Input Voltage Range CMRR Common Mode Rejection Ratio V PSRR Power Supply Rejection Ratio V A Large-Signal ...

Page 6

LT1078/LT1079 ELECTRICAL CHARACTERISTICS 15V unless otherwise noted SYMBOL PARAMETER V Input Offset Voltage OS V Input Offset Voltage Drift OS T (Note 6) I Input Offset Current OS I Input Bias ...

Page 7

W U TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Temperature 15V 5V 100 125 –50 – TEMPERATURE ( C) LT1078/79 • TPC01 0.1Hz ...

Page 8

LT1078/LT1079 W U TYPICAL PERFORMANCE CHARACTERISTICS Voltage Gain vs Frequency 140 120 V = 15V S 100 5V –20 100 1k 0.01 0 10k ...

Page 9

W U TYPICAL PERFORMANCE CHARACTERISTICS Output Saturation vs Temperature vs Sink Current 1000 I = 2mA SINK I = 1mA SINK I = 100 A SINK 100 SINK ...

Page 10

LT1078/LT1079 W U TYPICAL PERFORMANCE CHARACTERISTICS Small-Signal Transient Response s/DIV 15pF L INPUT 50mV TO 150mV U U APPLICATIONS INFORMATION The LT1078/LT1079 devices are fully specified with + ...

Page 11

U U APPLICATIONS INFORMATION difference is critical because in many applications these competing devices cannot be operated as micropower op amps and swing to ground simultaneously example, consider the instrumentation amplifier shown on the front page. When the ...

Page 12

LT1078/LT1079 U U APPLICATIONS INFORMATION Matching Specifications In many applications the performance of a system de- pends on the matching between two op amps, rather than the individual characteristics of the two devices. The two and three op amp instrumentation ...

Page 13

U TYPICAL APPLICATIONS Micropower, 10ppm Reference 2M 9V LT1034BC-1.2 220k 5.000V 120k 1/2 LT1078 2 – 4 510k –9V 510k 1% 20k 160k 1% SUPPLY CURRENT = 9V BATTERY = 115 A –9V ...

Page 14

LT1078/LT1079 U TYPICAL APPLICATIONS 85V, –100V Common Mode Range Instrumentation Amplifier ( 10M 8 2 – +IN 100k 1 6 – 1/2 LT1078 10M 3 + –IN 4 100k 5 + –9V 1M BANDWIDTH= 2kHz OUTPUT OFFSET= 8mV ...

Page 15

U TYPICAL APPLICATIONS Single Supply, Micropower, Second Order Lowpass Filter with 60Hz Notch 27.6k 27.6k 0.1% 0. 40Hz C Q > 30 505k 0.1% Y INPUT (5mV TO 50V) 6 – 1/4 LT1079 5 + –1.5V TO ...

Page 16

LT1078/LT1079 U TYPICAL APPLICATIONS 1M** 1M** 2 – INPUT 1/4 LT1079 510k 2N4393 1N914 – 1/4 LT1079 Micropower Dead Zone Generator Q4 V SET DEAD ZONE 1M* CONTROL INPUT ...

Page 17

U TYPICAL APPLICATIONS Lead-Acid Low-Battery Detector with System Shutdown 2M 1% 255k 1% Platinum RTD Signal Conditioner with Curvature Correction 3V (LITHIUM) LT1004-1.2 1 1/2 LT1078 R = ROSEMOUNT 118MF TRW MAR-6 0. METAL ...

Page 18

LT1078/LT1079 PLIFIED SCHEMATIC 10k 10k 2.2k Q16 Q12 4 Q11 1 Q1 600 – Q21 IN Q2 600 + Q22 IN Q39 175pF 6.2k PACKAGE DESCRIPTIO 0.335 – 0.370 (8.509 – ...

Page 19

... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm) 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 represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

Page 20

... SO8 1298 0.398 – 0.413* (10.109 – 10.490 0.394 – 0.419 NOTE 1 (10.007 – 10.643 S16 (WIDE) 1098 LT/CPI 1201 1.5K REV E • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1994 8 7 N14 1098 10789fe ...

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