TSDP1808X1NEGIZAX Overview
I have embedded a QFN-20 case with it in order to protect it. Family Audio ICs is what we're talking about. It represents the TSDP18 series. 1.8 V, 3.3 V-voltage supplies conduct current through the chip.
TSDP1808X1NEGIZAX Features
With QFN-20 channels

TSDP1808X1NEGIZAX Applications
There are a lot of Greenlee Tempo
TSDP1808X1NEGIZAX Audio Special Purpose applications.

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
Dynamic Range Processors
Digital Effects Processors
Telecom Systems

Package / Case	QFN-20
Mounting Style	SMD/SMT
Moisture Sensitive	Yes
Development Kit	TSDP18xx
Maximum Clock Frequency	49.152 MHz
THD plus Noise	123 dBFS to 125 dBFS
Maximum Operating Temperature	+ 85 C
Supply Voltage - Max	3.6 V
Unit Weight	0.222602 oz
Minimum Operating Temperature	- 40 C
Factory Pack Quantity:Factory Pack Quantity	490
Supply Voltage - Min	1.62 V
Dynamic Range dB	141.9 dB to 142.4 dB
Interface Type	I2S
Manufacturer	Tempo Semiconductor
Brand	Tempo Semiconductor
Series	TSDP18
Type	Octal PDM to 24-Bit TDM Converter
Subcategory	Audio ICs
Operating Supply Voltage	1.8 V, 3.3 V
Product Type	Audio Sample Rate Converters
Product	DMIC Aggregator
Product Category	Audio Sample Rate Converters