
Allicdata Part #: | LTC2754BIUKG-16#PBF-ND |
Manufacturer Part#: |
LTC2754BIUKG-16#PBF |
Price: | $ 21.63 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC DAC 16BIT QUAD IOUT 52-QFN |
More Detail: | 16 Bit Digital to Analog Converter 4 52-QFN (7x8) |
DataSheet: | ![]() |
Quantity: | 1000 |
45 +: | $ 19.66370 |
Specifications
Reference Type: | External |
Base Part Number: | LTC2754 |
Supplier Device Package: | 52-QFN (7x8) |
Package / Case: | 52-WFQFN Exposed Pad |
Operating Temperature: | -40°C ~ 85°C |
Architecture: | Multiplying DAC |
INL/DNL (LSB): | ±2 (Max), ±1 (Max) |
Voltage - Supply, Digital: | 2.7 V ~ 5.5 V |
Voltage - Supply, Analog: | 2.7 V ~ 5.5 V |
Series: | SoftSpan™ |
Data Interface: | SPI |
Differential Output: | Yes |
Output Type: | Current - Unbuffered |
Settling Time: | 2µs (Typ) |
Number of D/A Converters: | 4 |
Number of Bits: | 16 |
Part Status: | Active |
Packaging: | Tube |
Description
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The LTC2754BIUKG-16#PBF is a low-power current-output digital-to-analog converter (DAC), which is perfect for use in small industrial, automotive, and consumer applications. It enables 12-bit DAC resolution, with a maximum sample rate of 1.6MHz and differential linearity error (DLE) of ±1LSB. Furthermore, the LTC2754BIUKG-16#PBF comes with selectable reference options that make it easy to operate with a variety of analog-to-digital converters (ADCs).
The LTC2754BIUKG-16#PBF is a circuit element primarily used to generate a programmed range of current levels in various electronic circuits. This type of DAC relies on a two-dimensional resistor network to varies the current it produces at its output terminals. The element is made up of two cascaded 8-bit resistor networks, with the upper 8 bits used to control the overall gain and the lower 8 bits used to control the centering of the output current. All settings can be controlled through the SPI data bus which is connected to the R2 pin on the device.
In operation, the LTC2754BIUKG-16#PBF uses its two resistor networks in combination with a built-in voltage reference to generate an adjustable current output. The output current is programmed through digital signals sent over the SPI data bus and is modulated by the value of the reference voltage. When the reference voltage is set to 2.5V, the output current ranges from 0 µA to 500 µA (when the 8-bit DAC is at 0xFF). When the reference voltage is set to 5V, the output current ranges from 0 µA to 1 mA (when the 8-bit DAC is at 0xFF).
The main application areas for the LTC2754BIUKG-16#PBF are automotive, industrial and consumer applications. The element can be used in various motor control algorithms, non-invasive current sensing and power electronic converters. The high sample rate combined with the adjustable reference voltage input and two programmable 8-bit DACs make the LTC2754BIUKG-16#PBF suitable for a variety of applications. The device is particularly well-suited for applications such as motor control and automotive diagnostics.
In addition, the LTC2754BIUKG-16#PBF also features the option of a linear mode operation, where the device acts similarly to a ramp generator. The voltage vs. current output from the DAC follows the linear relationship programmed by the user. This is especially useful for creating smooth transition curves for applications such as EMI filter tuning and other current-based adjustments.
Finally, the low-power and small package size of the LTC2754BIUKG-16#PBF make it suitable for applications that require long battery life and small form factors. In addition, the element integrates several protective functions to ensure reliable operation, such as overvoltage protection, open-output protection, and overcurrent protection.
In summary, the LTC2754BIUKG-16#PBF is a perfect example of a data acquisition digital-to-analog converter, and is a fantastic solution for various industrial, automotive, and consumer applications. Its two 8-bit resistor networks, combined with the programmable reference voltage, give it flexibility as a versatile programmable current source. The small package, low-power, and integrated protective features make it even more attractive to those in need of a reliable, versatile, current-based solution.
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