LM1973N/NOPB Overview
With Tube, it comes in a case. A Through Hole mounting type is recommended for this product. In 20-DIP (0.300, 7.62mm) case, it is embedded. With 3 channels, the device is equipped. You can refer to Volume Control functions in this part. Consumer Audio, Professional Audio is one of the possible applications of the device. Votage within 4.5V~12V is supplied. The device operates at a temperature in the range 0°C~70°C TA. On the chip, there are 20 terminations. Using the LM1973 family as a search term will yield similar parts. The following specifications apply to the device: 76dB. On the chip, 20 pins are accessible. Consumer IC types can be sorted with CONSUMER CIRCUIT. There is a voltage range of +-6V volts that it can produce. The mount is mounted by Through Hole. 5mA controls its supply current.
LM1973N/NOPB Features
With 20-DIP (0.300, 7.62mm) channels
operate temperature at the range of 0°C~70°C TA
consumer IC type: CONSUMER CIRCUIT

LM1973N/NOPB Applications
There are a lot of Texas Instruments
LM1973N/NOPB Audio Special Purpose applications.

Consumer electronics
AV/DVD Receiver, AV Amplifier
Car or Mobile Audio System
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

Mount	Through Hole
Mounting Type	Through Hole
Package / Case	20-DIP (0.300, 7.62mm)
Number of Pins	20
Operating Temperature	0°C~70°C TA
Packaging	Tube
JESD-609 Code	e3
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	20
Terminal Finish	Matte Tin (Sn)
Applications	Consumer Audio, Professional Audio
Voltage - Supply	4.5V~12V
Terminal Position	DUAL
Peak Reflow Temperature (Cel)	NOT SPECIFIED
Terminal Pitch	2.54mm
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
Base Part Number	LM1973
Function	Volume Control
Qualification Status	Not Qualified
Power Supplies	+-6V
Number of Channels	3
Interface	SPI
Supply Current-Max	5mA
Specifications	76dB
Consumer IC Type	CONSUMER CIRCUIT
Length	26.075mm
Height Seated (Max)	5.08mm
Width	7.62mm
RoHS Status	ROHS3 Compliant
Lead Free	Contains Lead