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LM1894MX, in 3D

LM1894MX

Texas Instruments

Built-in audio processing SOIC-14 Audio Amplifiers ROHS

Extended
DatasheetJLCPCBLCSCti/LM1894MX
Category
Audio Amplifiers
Package
SOIC-14
Pins
14

Overview

The LM1894MX is an audio Amplifier made by Texas Instruments in a SOIC-14 package with 14 pins. Built-in audio processing SOIC-14 Audio Amplifiers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM1894MX_NOPB, from EasyEDA) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C783621).

Symbol

V+1CH1_INPUT2CH1_IO3CH1_OUTPUT4AMP_OUTPUT5GAINAMP_INPUT6GND7GAINAMP_OUTPUT8PEAKDETECTOR_INPUT9PEAKDETECTOR_OUTPUT10CH2_OUTPUT11CH2_IO12CH2_INPUT13BYPASS14
EasyEDA_Cloud:LM1894MX_NOPBFrom EasyEDA

Footprint

1234567891011121314
Package_SO:SOIC-14_3.9x8.7mm_P1.27mmFrom KiCad's library

Parameters

6
Features
Built-in audio processing
Operating Temperature
0℃~+70℃
Power Supply Rejection Ratio (PSRR)
-56dB
Signal-to-Noise Ratio
79dB
Speaker Channels
2-Channel
Voltage - Supply
4.5V~18V

Order codes

1

Pinout

14
The pins of the LM1894MX
PinNameType
1V+Unspecified
2CH1_INPUTUnspecified
3CH1_IOUnspecified
4CH1_OUTPUTUnspecified
5AMP_OUTPUTUnspecified
6GAINAMP_INPUTUnspecified
7GNDUnspecified
8GAINAMP_OUTPUTUnspecified
9PEAKDETECTOR_INPUTUnspecified
10PEAKDETECTOR_OUTPUTUnspecified
11CH2_OUTPUTUnspecified
12CH2_IOUnspecified
13CH2_INPUTUnspecified
14BYPASSUnspecified

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A picture
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A picture that opens the part, for a README
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Questions

Is there a KiCad symbol and footprint for the LM1894MX?

Yes. The symbol is EasyEDA_Cloud:LM1894MX_NOPB and the footprint Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM1894MX?

SOIC-14, with 14 pins. Its footprint is drawn on this page.

Where is the LM1894MX datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the LM1894MX?

JLCPCB lists it as part C783621, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LM1894MX?

Parts like it in the library: the MC33079DT by STMicroelectronics, the OPA1679ID by Texas Instruments, the OPA1604AID by Texas Instruments and the OPA4134UA/2K5 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8