TEF6890H/V2,557 Overview
There is also an accompanying case included with this set. There is a recommendation that it should be mounted with a Surface Mount type mount. The file is embedded in a 44-QFP case. This device has 6 channels. For your reference, here are some Audio Tone Processor functions. It can be used in Automotive Audio. There is a supply of votage within 8V~9V. -40°C~85°C TA is the temperature range for this device. A chip has 44 terminations. You can find similar parts by searching for the TEF6890 family. Refer to the following specifications for the device: AM, FM. It is possible to sort parts based on their consumer IC type using CONSUMER CIRCUIT. It should not be possible to power this part with a voltage lower than 8V (Vsup). A maximum supply voltage (Vsup) is reached at 9V.
TEF6890H/V2,557 Features
With 44-QFP channels
operate temperature at the range of -40°C~85°C TA
consumer IC type: CONSUMER CIRCUIT

TEF6890H/V2,557 Applications
There are a lot of NXP USA Inc.
TEF6890H/V2,557 Audio Special Purpose applications.

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
Audio Mix Consoles

Mounting Type	Surface Mount
Package / Case	44-QFP
Surface Mount	YES
Operating Temperature	-40°C~85°C TA
Packaging	Tray
Published	1998
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Number of Terminations	44
Applications	Automotive Audio
HTS Code	8542.39.00.01
Voltage - Supply	8V~9V
Terminal Position	QUAD
Terminal Form	GULL WING
Terminal Pitch	0.8mm
Base Part Number	TEF6890
JESD-30 Code	S-PQFP-G44
Function	Audio Tone Processor
Qualification Status	Not Qualified
Supply Voltage-Max (Vsup)	9V
Supply Voltage-Min (Vsup)	8V
Number of Channels	6
Interface	I2C
Specifications	AM, FM
Consumer IC Type	CONSUMER CIRCUIT
Length	10mm
Height Seated (Max)	2.1mm
Width	10mm
RoHS Status	ROHS3 Compliant