CP2120-GMR Overview
Using 8 I/Os, it is programmed.20-VFQFN Exposed Pad comes with the device enclosed in the packaging.The case comes in the Tape & Reel (TR) style.Votage is provided within 3V~3.6V.The mounting type recommended for it is Surface Mount.Devices work when the operating temperature ranges -40°C~85°C.The performance of the output frequency is determined by 400kHz.In terms of termination, it is characterized by 20 termination as a whole.In total, the part has 20 pins.There is voltage at 3.3V provided by the device.In order to run NOT SPECIFIED, the peak reflow temperature of this part is used.On the basis of the CP2120 family, you can look for related parts.In this case, it belongs to the BUS CONTROLLER, I2C family of uPs, uCs, and peripheral ICs.
CP2120-GMR Features

CP2120-GMR Applications
There are a lot of Silicon Labs
CP2120-GMR I/O Expanders applications.

Single-Ended to Differential Conversion/Amplification
Low Voltage, Low Noise, Differential Signal Processing
Common Mode Voltage Translation
Portable Instrumentation
Multiprotocol RFID Readers: EPC-GEN2, ISD and IPX
IDEN, PHS, GSM Basestations
Repeaters, Radio Links, and Modems
Wireless Telemetry
JTRS
802.11x Receivers

Factory Lead Time	6 Weeks
Mounting Type	Surface Mount
Package / Case	20-VFQFN Exposed Pad
Surface Mount	YES
Operating Temperature	-40°C~85°C
Packaging	Tape & Reel (TR)
Published	1997
Pbfree Code	yes
Part Status	Not For New Designs
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	20
Voltage - Supply	3V~3.6V
Terminal Position	QUAD
Terminal Form	NO LEAD
Peak Reflow Temperature (Cel)	NOT SPECIFIED
Supply Voltage	3.3V
Terminal Pitch	0.5mm
Reach Compliance Code	compliant
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
Base Part Number	CP2120
Pin Count	20
JESD-30 Code	S-XQCC-N20
Qualification Status	Not Qualified
Output Type	Open Drain, Push-Pull
Interface	I2C, SPI
Number of I/O	8
uPs/uCs/Peripheral ICs Type	BUS CONTROLLER, I2C
Clock Frequency	400kHz
Interrupt Output	Yes
Current - Output Source/Sink	100mA
Length	4mm
Height Seated (Max)	1mm
Width	4mm
RoHS Status	RoHS Compliant