DAC7616E/1K

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The DAC7616E/1K is part of the data acquisition family of digital to analog converters (DAC). It is a highly accurate and low noise 16-bit DAC used to convert digital input signals into analog signals. The DAC7616E/1K is a cost-effective, integrated DAC chip for general-purpose, industrial and automotive applications. It has a wide operating range, from -40°C to 85°C.

The DAC7616E/1K utilizes CMOS technology to provide 16-bit resolution over a 0-5V range. The integrated design eliminates the need for separate voltage regulators and makes the chip highly accurate and efficient. The digital input is 4-bit BCD, and the device can also be programmed.

In terms of resolution, the DAC7616E/1K offers 16 bits with an integral linearity of ±3LSB and max nonlinearity of ±0.25LSB. It is designed to perform with a signal-to-noise ratio (SNR) of 73dB and a signal-to-noise plus distortion (SINAD) of 72dB. The device has a THD (total harmonic distortion) of 0.0018%. The device also has a slew rate of the order of 0.42 µsec/V and an output impedance of 400Ω.

The internal architecture of the DAC7616E/1K consists of two main components. The first is a low-noise, low-power CMOS digital-to-analog converter (DAC) cell implemented with high-resolution, low-power switches and a ripple-reducing FB resistor network. The second component is an integrated, low-noise, low-power CMOS gamma reference buffer (GRB) for buffering the analog output signal.

The reference voltage is provided externally, either from an external fixed-voltage or adjustable-voltage source. The DAC7616E/1K operates on a single +5V power supply and requires a power-down capability. The device also has a high-temperature operation of up to 85°C.

The DAC7616E/1K is used in a variety of applications, such as monitoring and control systems, industrial process control, instrumentation, and automotive applications. Additionally, it can be used to provide analog signals to battery-powered operating systems such as audio amplifiers, temperature controllers, and air-conditioning systems.

In summary, the DAC7616E/1K is a highly accurate 16-bit DAC that is used in a variety of data acquisition applications. It integrates both a low-noise CMOS DAC cell and a buffer for buffering the analog output signal. The device operates on a single +5V power supply and offers a wide operating temperature range, from -40°C to 85°C.

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