TEF6894H/V3,557 Overview
Additionally, there is a case included with the book as well. The mounting type recommended by the manufacturer is Surface Mount. A 44-QFP case contains it. A 6 channel is present on the device. For your reference, this part contains Audio Tone Processor functions. Automotive Audio can be used with the device. We supply it within 8V~9V. Using -40°C~85°C TA as a temperature range, this device operates. A search for parts belonging to the TEF6894 family will yield similar results. Refer to the device's specifications: AM, FM. A device is packaged by 44-PQFP (10x10).
TEF6894H/V3,557 Features
With 44-QFP channels
operate temperature at the range of -40°C~85°C TA

TEF6894H/V3,557 Applications
There are a lot of NXP USA Inc.
TEF6894H/V3,557 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

Mounting Type	Surface Mount
Package / Case	44-QFP
Supplier Device Package	44-PQFP (10x10)
Operating Temperature	-40°C~85°C TA
Packaging	Tray
Published	2002
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Applications	Automotive Audio
Voltage - Supply	8V~9V
Base Part Number	TEF6894
Function	Audio Tone Processor
Number of Channels	6
Interface	I2C
Specifications	AM, FM
RoHS Status	ROHS3 Compliant