LTC2222CUK#TRPBF

Number of A/D Converters:	1
Base Part Number:	LTC2222
Supplier Device Package:	48-QFN (7x7)
Package / Case:	48-WFQFN Exposed Pad
Operating Temperature:	0°C ~ 70°C
Features:	--
Voltage - Supply, Digital:	3.1 V ~ 3.5 V
Voltage - Supply, Analog:	3.1 V ~ 3.5 V
Reference Type:	External, Internal
Architecture:	Pipelined
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	LVDS - Parallel, Parallel
Input Type:	Differential, Single Ended
Number of Inputs:	1
Sampling Rate (Per Second):	105M
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Analog to Digital Converters (ADC)Data Acquisition - Analog to Digital Converters (ADC) is an important component in devices and systems which convert analog signals into digital signals for processing. ADC is the most common conversion technique and devices. Converters have wide range of applications because of its variety of features, sizes, bandwidths and sampling rates. LTC2222CUK#TRPBF is one of the ADC devices which are widely used in various applications.The LTC2222CUK#TRPBF is a 12 second, low power CMOS analog-to-digital converter. It is an ideal choice for medical, industrial or consumer applications that require high resolution and low power. The device features an on-chip low-noise sample-and-hold amplifier and a high-speed differential track-and-hold input stage. The combination of both features provides very low power dissipation and wide dynamic range for low-power, low-voltage systems.The LTC2222CUK#TRPBF is a dual-channel, serial-input ADC with a built-in SHA, offering 12-bit resolution. The on-chip SHA supports conversion times as low as 2.2 µs. The device offers differential and single-ended inputs. It has a very wide operating voltage range from 2.7V to 5.5V and it consumes only 150 μA of power at 3.3V and a conversion rate of 1MS/s.The working principle of the device is to use a successive approximation engine with a successive-approximation register (SAR) to convert analog inputs into digital data. The SAR converts the analog voltage into a binary value and the resolution of the analog-to-digital conversion is specified by the number of bits the SAR contains.The first step of the conversion process is to sample the analog signal. The on-chip SHA takes a sample of the analog signal and stores it for conversion. Then, the SAR compares the value of the signal to a reference voltage and generates a register that indicates the result of the comparison. This output is used as the number "1" or "0" for the MSB. This process continues until the conversion is complete and the results are stored in a 12-bit two\'s complement register. The high-speed conversion of the LTC2222CUK#TRPBF is possible because of the dual channel architecture. It has two separated analog channels and each channel samples one differential signal. This raises the overall speed of the ADC with less latency.The LTC2222CUK#TRPBF is also equipped with a serial data port which facilitates interfacing to a wide range of external devices. With these features, the LTC2222CUK#TRPBF offers flexibility in a small form factor and is suitable for many applications such as process control, test and measurement and audio/video equipment.In conclusion, the LTC2222CUK#TRPBF offers a versatile ADC with high accuracy, good resolution and low power consumption. It serves a wide range of applications in medical, industrial or consumer applications where accuracy and low power consumption are key. The serial data port facilitates interfacing with external devices and the dual-channel architecture boosts the overall speed of the device.

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