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MAXIM INTEGRATED / ANALOG DEVICES MAX5822LEUAT Dual Voltage DAC
The MAX5822LEUA+T from Maxim Integrated Products is a dual 12-bit, low-power, serial voltage output DAC in an 8-pin µMAX package. It features a power-down mode that reduces current consumption to less than 1 µA, internal rail-to-rail output buffers, and a power-on reset (POR) circuit that initializes the DAC in 100 kΩ power-down mode. The device includes a double-buffered, I2C-compatible serial interface, allowing multiple devices to share a bus. All logic inputs are CMOS compatible with Schmitt triggers, enabling direct interfacing with optocouplers and transformer-isolated interfaces. It minimizes digital noise feedthrough by disconnecting the clock signal when an address mismatch occurs. The operation voltage ranges from 2.7V to 5.5V, and it operates from -40°C to 85°C. Its features include three software-selectable output impedances (100 kΩ, 1 kΩ, high impedance), an ultra-low supply current (about 115 µA at 3.6V, 135 µA at 5.5V), high linearity (±2 LSB INL, ±1 LSB DNL), and a rail-to-rail output buffer. It offers a read-back mode for data verification, power-on reset to zero, and consumes approximately 300 nA in power-down mode. The device exhibits a 58.8 dB PSRR at 4.5–5.5V and a full-scale gain error of -0.8%. The I2C interface supports speeds up to 400 kHz, making it ideal for digital gain/offset, programmable voltage/current sources, attenuation, VCO/varactor control, especially in battery-powered instrumentation and automation applications.
MAXIM INTEGRATED / ANALOG DEVICES MAX5822LEUAT Dual Voltage DAC Specifications:
- Resolution: 12 Bits
- Supply Voltage Range: 2.7V to 5.5V
- Operating Temperature: -40°C to 85°C
- Power-Down Mode Current: < 1 µA
- DAC Output Range: 0 V to Vpp
- Output Impedance: 12 Ω (no load), configurable power-down impedances (100 kΩ, 1 kΩ, high impedance)
- Linearity: INL ±2 LSB, DNL ±1 LSB
- Reference Input Voltage: 0 to Vref
- Output Buffer: Rail-to-rail, capable of driving 5 kΩ load with 200 pF capacitance
- Power-On Reset: Resets DAC to zero-scale, outputs pulled to GND through 100 kΩ resistor
- Digital Interface: I2C-compatible, 400 kHz max rate
- Package: 8-pin µMAX
- Serial Data: SDA, Serial Clock: SCL
- Input Logic Levels: CMOS compatible with Schmitt triggers
- Power Dissipation: approx 362 mW at 70°C derated accordingly
- Protection: ESD protection, Overcurrent tolerance 50 mA per pin
Buy the Buy Maxim MAX5822LEUA+T Dual 12-Bit Low-Power DAC Online
Purchase the Maxim MAX5822LEUA+T dual 12-bit low-power DAC online today. Featuring an I2C-compatible interface, rail-to-rail outputs, three power-down modes, and operating from 2.7V to 5.5V, this device is ideal for battery-powered instrumentation. Its enhanced features include high linearity, power-on reset, and multiple output impedances ensuring precise control in applications such as programmable gain, offset adjustment, and voltage/current sources. Designed for durability and low noise feedthrough, buy now to enhance your electronic systems effortlessly.
Get Maxim MAX5822LEUA+T today—built for precision and long-lasting durability with ultra-low power consumption and high linearity.
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MAXIM INTEGRATED / ANALOG DEVICES