LT1078AMJ8 Linear Technology Corporation, LT1078AMJ8 Datasheet

LT1078AMJ8

Manufacturer Part Number

LT1078AMJ8

Description

CDIP-8

Manufacturer

Linear Technology Corporation

Datasheets

1.LT1078I.pdf (20 pages)

2.LT1078AMJ8.pdf (20 pages)

3.LT1078AMJ8.pdf (20 pages)

Specifications of LT1078AMJ8

Date_code

04+

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APPLICATIONS

FEATURES

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.

Battery or Solar-Powered Systems

Micropower Sample-and-Hold

Thermocouple Amplifier

Micropower Filters

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

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 = 0.03V TO 1.8V

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

(0.3mV

LT1078/79 • TA01

P-P

RMS

OUT

0.1Hz TO 10Hz

IN +

OVER FULL BANDWIDTH

– V

IN –

DESCRIPTION

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

Distribution of Input Offset Voltage

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

–120

= 5V, 0V

= 25 C

–80

INPUT OFFSET VOLTAGE ( V)

–40

LT1078/LT1079

1078/79 • TA02

120

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