ADI AD5300BRMZ

The AD5300 is a single, 8-bit buffered voltage output DAC that operates from a single 2.7 V to 5.5 V supply, consuming 115 μA at 3 V. Its on-chip precision output amplifier allows rail-to-rail output swing to be achieved. The AD5300 uses a versatile 3-wire serial interface that operates at clock rates up to 30 MHz and is compatible with standard SPI, QSPI, MICROWIRE, and DSP interface standards. The reference for the AD5300 is derived from the power supply inputs and thus gives the widest dynamic output range. The part incorporates a power-on reset circuit that ensures that the DAC output powers up to 0 V and remains there until a valid write takes place to the device. The part contains a power-down feature that reduces the current consumption of the device to 200 nA at 5 V and provides software selectable output loads while in powerdown mode. The part is put into power-down mode over the serial interface. The low power consumption of this part in normal operation makes it ideally suited to portable battery-operated equipment. The power consumption is 0.7 mW at 5 V, reducing to 1 μW in power-down mode. The AD5300 is one of a family of pin-compatible DACs. The AD5310 is the 10-bit version, and the AD5320 is the 12-bit version. The AD5300/AD5310/AD5320 are available in 6-lead SOT-23 packages and 8-lead MSOP packages.

• Single 8-Bit DAC
• 6-Lead SOT-23 and 8-Lead MSOP Packages
• Micropower Operation: 140 μA @ 5 V
• Power-Down to 200 nA @ 5 V, 50 nA @ 3 V
• 2.7 V to 5.5 V Power Supply
• Guaranteed Monotonic by Design
• Reference Derived from Power Supply
• Power-On Reset to 0 V
• 3 Power-Down Functions
• Low Power Serial Interface with Schmitt-Triggered Inputs
• On-Chip Output Buffer Amplifier, Rail-to-Rail Operation
• SYNC Interrupt Facility
• Qualified for automotive applications

• Portable Battery-Powered Instruments
• Digital Gain and Offset Adjustment
• Programmable Voltage and Current Sources
• Programmable Attenuators