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Digital-to-Analog Converter (DAC)-AD5778RBCPZ 16-Bit, 2-Channel, 300 mA Current Source Output

Digital-to-Analog Converter (DAC)-AD5778RBCPZ 16-Bit, 2-Channel, 300 mA Current Source Output

Source:our siteTime:2024-11-16Views:

Overview:The AD5778RBCPZ is a dual-channel, 16-bit current-source digital-to-analog converter (DAC) that provides two highly compliant current-source outputs with a guaranteed 1 V differential pressure at 200 mA. The device supports load voltages up t…

Overview:

The AD5778RBCPZ is a dual-channel, 16-bit current-source digital-to-analog converter (DAC) that provides two highly compliant current-source outputs with a guaranteed 1 V differential pressure at 200 mA. The device supports load voltages up to 32 V. Each channel has 8 programmable current ranges with full scale outputs up to 300 mA. In addition, the channels can be shunted in parallel for hyperfine adjustment of high currents or to achieve combined outputs up to 600 mA.


The AD5778R includes a precise-integrated 1.25V reference (up to 10 ppm/°C), with the option of using an external reference.

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Features:

Programmable output range per channel: 300 mA, 200 mA, 100 mA, 50 mA, 25 mA, 12.5 mA, 6.25 mA and 3.125 mA

Flexible 2.85V to 33V supply voltage

Guarantee 1 V differential pressure

Each output channel has a separate voltage supply

Internal switch can be switched to optional negative power supply

Full 16-bit resolution for all ranges

Guaranteed operating temperature range: -40°C to 125°C

Accuracy (10 ppm/°C minimum) internal reference voltage source or external reference voltage source input

Analog multiplexers monitor voltage and current

A/B switching via SPI or dedicated pins

1.8 V to 5 V SPI

32 pin (5 mm x 5 mm) QFN package


Applications:

Tunable laser

Semiconductor optical amplifier

Resistance heater

Current mode bias

Proportional electromagnetic drive


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