AD5412ACPZ-REEL7 Integrated Circuits (ICs)

Reference Type:	External, Internal
Base Part Number:	AD5412
Supplier Device Package:	40-LFCSP-VQ (6x6)
Package / Case:	40-VFQFN Exposed Pad, CSP
Operating Temperature:	-40°C ~ 105°C
Architecture:	R-2R
INL/DNL (LSB):	-, ±1 (Max)
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Voltage - Supply, Analog:	10.8 V ~ 40 V, -3 V ~ 26.4 V
Series:	--
Data Interface:	SPI, DSP
Differential Output:	No
Output Type:	Voltage or Current - Buffered
Settling Time:	25µs (V), 40µs (A) (Typ)
Number of D/A Converters:	1
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

AD5412ACPZ-REEL7, a product of Analog Devices, is a step-and-hold Digital to Analog Converter (DAC) that combines excellent accuracy and linearity with low noise and low power consumption. It is suitable for precision data acquisition applications and offers high speed, ease of use and a wide range of features. The AD5412ACPZ-REEL7 delivers ±12-bit resolution and allows for multiple outputs, programmable gain and power savings.

AD5412ACPZ-REEL7 Applications

The AD5412ACPZ-REEL7 is ideal for applications requiring high speed and accuracy, such as automotive, industrial, and medical test and measurement equipment. The device has an internal reference voltage of 2.048V for 12-bit resolution and offers two output ranges: ±10V and 0-10V. This allows for a range of output voltage gains from 0.0019V/LSB to 0.0244V/LSB, providing flexibility for a variety of applications.The AD5412ACPZ-REEL7 can be used in motor control systems, medical diagnostic systems, and battery-powered medical equipment. Its low power consumption and fast settling time make it an ideal choice for applications such as electric vehicle motor control, hydraulic and pneumatic systems, and more. In addition, its signal-to-noise ratio guarantees accuracy in measurements, while temperature drift and high-precision offset and gain trims further ensure data accuracy.

AD5412ACPZ-REEL7 Working Principle

The AD5412ACPZ-REEL7 operates using a two-stage system. The first stage translates a digital input code into a voltage signal, and the second stage holds the voltage at the output. In the first stage, digital input codes are converted to a corresponding voltage signal as follows: each code is multiplied by 2.048V to get the total output voltage range. This is then scaled by the output-gain setting, which determines the size of each voltage step (LSB), which corresponds to one digital input code. In the second stage, a sample-and-hold amplifier (SHA) is used to maintain the output voltage at a steady level in between new input codes. The SHA monitors the output voltage, and when a new digital code is detected, the SHA is immediately activated to sample and hold the output voltage. This ensures consistent and accurate data acquisition, even with changing input codes.

Conclusion

The AD5412ACPZ-REEL7 is an ideal choice for applications that demand accuracy, flexibility and low power consumption. This device provides an output range from 0 to 10V, ±10V, or 2.048V, allowing for output voltage gains from 0.0019V/LSB to 0.0244V/LSB. Its fast settling time and high signal-to-noise ratio ensure excellent performance even with changing input codes. Its combination of features makes it suitable for a wide range of applications, from motor control and medical equipment to test and measurement systems.

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