UDA1351H/N1,557 Overview
Presented in package 44-QFP.In the Tray package, you can find this data acquisition unit.The recommended working temperature is -40°C~85°C in order to maintain normal operation.The outstanding DAC, Audio is what you paid.ADCs/DACs is best to mount this part through Surface Mount in order to save more space.For this unit, you should redo the circuit if your meter reads something other than 2.7V~3.6V for the supply voltage.In total, 44 terminations have occurred.The 1 function here gives access to high performance for whatever application you want to run.As a result of deploying 2 channels, this unit is able to efficiently perform complex tasks.If you're looking for parts with similar specs, search "UDA1351".ADCs/DACs has 44 pins when ADCs/DACs comes to pin count.There is a restriction on the supply voltage exceeding 3.6V.
UDA1351H/N1,557 Features
Surface Mount acquisition unit
2 channels process

UDA1351H/N1,557 Applications
There are a lot of NXP USA Inc.
UDA1351H/N1,557 ADCs/DACs applications.

CMOS Image sensors for mobile applications
Medical Instrumentation and medical imaging
Music recording
Digital signal processing
Scientific instruments
Rotary encoder
Displaying
Transducer
Microcontrollers.
Digital Storage Oscilloscope

Mounting Type	Surface Mount
Package / Case	44-QFP
Surface Mount	YES
Operating Temperature	-40°C~85°C
Packaging	Tray
Published	2000
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Number of Terminations	44
Type	DAC, Audio
Voltage - Supply	2.7V~3.6V
Terminal Position	QUAD
Terminal Form	GULL WING
Number of Functions	1
Terminal Pitch	0.8mm
Reach Compliance Code	unknown
Base Part Number	UDA1351
Pin Count	44
JESD-30 Code	S-PQFP-G44
Qualification Status	Not Qualified
Supply Voltage-Max (Vsup)	3.6V
Number of Channels	2
Data Interface	PCM
Sampling Rate (Per Second)	100k
Voltage Supply Source	Analog Digital
Resolution (Bits)	24 b
Length	10mm
Width	10mm
RoHS Status	ROHS3 Compliant