AD5338RBCPZ-RL7

AD5338RBCPZ-RL7 is a nanoDAC® family, low-power, dual, 10bit buffered voltage output digital-to-analogue converter (DAC). It operates from a single 2.7V to 5.5V supply, is guaranteed monotonic by design, and exhibits 0.1% FSR gain error and 1.5mV offset error performance. It also incorporates a power-on reset circuit and an RSTSEL pin that ensures that the DAC outputs power up to zero scale or midscale and remains there until a valid write takes place. It contains a per-channel power-down feature that reduces the current consumption of the device to 4µA at 3V while in power-down mode. It uses a versatile 2-wire serial interface that operates at clock rates up to 400KHz and includes a VLOGIC pin intended for 1.8V/3V/5V logic. Applications include optical transceivers, base station power amplifiers, process controls (programmable logic controller [PLC] I/O cards), industrial automation, data acquisition systems.

• User selectable gain of 1 or 2 (GAIN pin), reset to zero scale or midscale (RSTSEL pin)
• 1.8V logic compatibility, 400KHz I²C-compatible serial interface
• Power supply voltage range from 2.7V to 5.5V, 10bits resolution
• Relative accuracy is ±0.12LSB typical at (VDD = 2.7V to 5.5V; 1.62V ≤ VLOGIC ≤ 5.5V)
• Offset error is +0.1mV typical at (VDD = 2.7V to 5.5V; 1.62V ≤ VLOGIC ≤ 5.5V)
• Gain error is ±0.02% of FSR typical at (VDD = 2.7V to 5.5V; 1.62V ≤ VLOGIC ≤ 5.5V)
• Total unadjusted error is ±0.01% of FSR typical at (external reference; gain = 2)
• Slew rate is 0.8V/µs typical at (VDD = 2.7V to 5.5V; RL = 2Kohm to GND)
• Output voltage settling time is 5µs typical at (¼ to ¾ scale settling to ±2LSB)
• Operating temperature range from -40°C to +105°C, 16-lead LFCSP-WQ package

注释

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