LM1894M/NOPB Overview
Additionally, there is a case included with the book as well. The mounting type recommended by the manufacturer is Surface Mount. A 14-SOIC (0.154, 3.90mm Width) case contains it. A 2 channel is present on the device. For your reference, this part contains Noise Reduction functions. Automotive Audio, Consumer Audio can be used with the device. We supply it within 4.5V~18V. Using 0°C~70°C TA as a temperature range, this device operates. It has 14 terminations. A search for parts belonging to the LM1894 family will yield similar results. Refer to the device's specifications: 10dB. An accessible 14 pin can be found on the chip. You can use CONSUMER CIRCUIT to sort consumer ICs on a part. In order to operate this part, the minimum supply voltage (Vsup) must not be less than 4.5V volts. Vsup reaches its maximum (18V). The mount is made by Surface Mount.
LM1894M/NOPB Features
With 14-SOIC (0.154, 3.90mm Width) channels
operate temperature at the range of 0°C~70°C TA
consumer IC type: CONSUMER CIRCUIT

LM1894M/NOPB Applications
There are a lot of Texas Instruments
LM1894M/NOPB Audio Special Purpose applications.

Digital Television
Musical Instruments
Recording Systems
High-End Audio/Sound Card for PC
Replacement of DIR1703
Other Applications Requiring S/PDIF Receiver
Audio Differential Line Drivers
Audio Mix Consoles
Distribution Amplifiers
Graphic and P arametric Equalizers

Mount	Surface Mount
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154, 3.90mm Width)
Number of Pins	14
Operating Temperature	0°C~70°C TA
Packaging	Tube
JESD-609 Code	e3
Pbfree Code	yes
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	14
Terminal Finish	Matte Tin (Sn)
Applications	Automotive Audio, Consumer Audio
Voltage - Supply	4.5V~18V
Terminal Position	DUAL
Terminal Form	GULL WING
Peak Reflow Temperature (Cel)	260
Time@Peak Reflow Temperature-Max (s)	40
Base Part Number	LM1894
Function	Noise Reduction
Qualification Status	Not Qualified
Supply Voltage-Max (Vsup)	18V
Supply Voltage-Min (Vsup)	4.5V
Number of Channels	2
Interface	Analog
Specifications	10dB
Consumer IC Type	CONSUMER CIRCUIT
Height Seated (Max)	1.75mm
Width	3.9mm
RoHS Status	ROHS3 Compliant