ISL5861IB

Reference Type:	External, Internal
Base Part Number:	ISL5861
Supplier Device Package:	28-SOIC
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C
Architecture:	Current Source
INL/DNL (LSB):	±0.5, ±0.5
Voltage - Supply, Digital:	2.7 V ~ 3.6 V
Voltage - Supply, Analog:	2.7 V ~ 3.6 V
Series:	--
Data Interface:	Parallel
Differential Output:	Yes
Output Type:	Current - Unbuffered
Settling Time:	--
Number of D/A Converters:	1
Number of Bits:	12
Part Status:	Obsolete
Packaging:	Tube

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Data Acquisition - Digital to Analog Converters (DAC): ISL5861IB Application Field and Working Principle

Digital to Analog Converters (DAC) are commonly used in signal processing to convert a digital signal into an analog one. The ISL5861IB is a leading-edge DAC solution from Intersil, which provides an example of how a DAC can be used in a variety of applications. The ISL5861IB is specifically designed for long-term, maintenance-free operation in consumer, industrial, and medical applications.The ISL5861IB is a 16-bit, single-channel DAC with an onboard temperature sensor. The device is powered by 3.2V-4.2V and can interface with both single-ended or differential input sources. The core features of the device are its low power consumption, wide temperature range operation (-40°C to +85°C), low noise, and high analog output accuracy. The ISL5861IB incorporates several components and technologies to provide a highly effective, low-cost DAC solution. The first stage of the design is the signal encoder, which is responsible for providing the digital input signal to the DAC. This signal is encoded in the form of an I2C bus protocol, enabling easy communication between the device and other components in the system. The I2C bus provides a standard way of communicating data between various digital devices and ensures quick, reliable data transmission. The ISL5861IB also features an onboard temperature sensor. This sensor is used to detect and adjust the current accuracy of the analog output signal, based on changes in the ambient temperature. This temperature sensing feature helps the device maintain accuracy over a wide temperature range.The ISL5861IB features a Dual Output Correction module, which is responsible for converting the digital input signal into an accurate analog output. The dual output correction circuit uses both a common voltage reference and a separate gain reference. This helps eliminate errors due to temperature and voltage variations.Finally, the ISL5861IB features an output buffer which drives the analog output signal. The output buffer keeps the output signal stable, regardless of changes in other components in the device, such as the temperature control circuit.In summary, the ISL5861IB is an excellent option for single-channel DAC solutions. It is designed to provide reliable and low-cost performance in a variety of applications, including consumer, industrial and medical. The device features a low power consumption, wide temperature range operation, low noise, and high analog output accuracy, helping to ensure long-term and maintenance-free operation. The device also features an onboard temperature sensor, dual output correction circuit and output buffer, providing reliable and accurate results over a wide temperature range.

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