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特性
- 4-channel, 16-bit, current output DAC
- Programmable output current ranges per channel
- 50mA, 150mA, 200mA, and 300mA
- Flexible 1.65V to 3.6V output supply voltages
- Separate voltage supply per output channel
- 0.3V maximum dropout voltage per channel
- Internal switches to ground on IOUT pins
- 2.5V on-chip voltage reference
- 50MHz SPI interface
- Load DAC, A/B toggle, and dither functions
- Integrated analog diagnostic monitoring
- Integrated thermal warning alert
- 36-ball 2.55mm × 2.55mm WLCSP
- 28-pin 4mm × 4mm LFCSP
- Operating temperature: –40⁰C to +125⁰C
产品详情和应用
The AD5706R is a 4-channel, 16-bit resolution, low noise programmable current output, digital-to-analog converter (DAC). The device is ideal for applications such as photonics control and current-mode biasing.
The device features an integrated 2.5V voltage reference, along with load DAC, A/B toggle, and dither functions. An onboard multiplexer allows for monitoring of supply and output voltages, output currents, and the internal die temperature.
The AD5706R supports several programmable output current ranges, with a maximum of 300mA. With addressable pins, up to four devices can share a single SPI bus for communication.
Each DAC channel operates independently with its own positive power supply rail (PVDDx) that can range from 1.65V to 3.6V, optimizing both power efficiency and thermal performance. The device requires a 2.9V to 3.6V AVDD supply and is rated for operation across a wide temperature range from −40°C to +125°C.
APPLICATIONS
- Photonics control
- Optical communications
- LED driver programmable current source
- Current-mode biasing
