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Operational Amplifiers

Low Voltage Operation

Ground Sense Operational Amplifier

TLR342xxx

TLR344F

General Description

TLR342xxx series and TLR344F are dual and quad

CMOS operational amplifier with low supply voltage

operation and full swing output. It is suitable for

battery-operated equipment. The MOSFET input stage

provides low input bias current. It is capable to use for

sensor applications.

Features



Low Operating Supply Voltage



Output Full Swing / Input Ground Sense



High Large Signal Voltage Gain



Low Input Bias Current



Low Supply Current



Low Input Offset Voltage

Applications



Consumer Electronics



Buffer



Sensor Amplifier



Mobile Equipment



Battery-Operated Equipment

Key Specifications



Operating Supply Voltage (Single Supply):

+1.8V to +5.5V



Supply Current

TLR342xxx 150uA(Typ)

TLR344F 300uA(Typ)



105dB(Typ)



Temperature Range:

-40°C to +85°C



Input Offset Voltage:

4mV (Max)



Input Bias Current:

1pA (Typ)



Gain Bandwidth:

2.3MHz (Typ)



Slew Rate:

1V/µs (Typ)

Packages

W(Typ) x D(Typ) x H(Max)

SOP8

5.00mm x 6.20mm x 1.71mm

SOP-J8

4.90mm x 6.00mm x 1.65mm

TSSOP-B8

3.00mm x 6.40mm x 1.20mm

TSSOP-B8J

3.00mm x 4.90mm x 1.10mm

SOP14

8.70mm x 6.20mm x 1.71mm

Pin Configuration

TLR342F

: SOP8

TLR342FJ

: SOP-J8

TLR342FVT : TSSOP-B8

TLR342FVJ : TSSOP-B8J

Pin No.

Pin Name

1

OUT1

2

-IN1

3

+IN1

4

VSS

5

+IN2

6

-IN2

7

OUT2

8

VDD

○

Product structure：Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays.

OUT2

VSS

VDD

OUT1

-IN1

+IN1

+IN2

-IN2

+

CH2

-

+

CH1

-

+

1

2

3

4

8

9

6

5

Datasheet