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AD5310 Dataheets PDF



Part Number AD5310
Manufacturers Analog Devices
Logo Analog Devices
Description +2.7 V to +5.5 V/ 140 uA/ Rail-to-Rail Voltage Output 10-Bit DAC in a SOT-23
Datasheet AD5310 DatasheetAD5310 Datasheet (PDF)

a +2.7 V to +5.5 V, 140 ␮A, Rail-to-Rail Voltage Output 10-Bit DAC in a SOT-23 AD5310* FUNCTIONAL BLOCK DIAGRAM VDD GND POWER-ON RESET FEATURES Single 10-Bit DAC 6-Lead SOT-23 and 8-Lead ␮ SOIC Packages Micropower Operation: 140 ␮ A @ 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 Zero Volts Three Power-Down Functions Low Power Serial Interface with Schmitt-Triggered Inputs On-Chip O.

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a +2.7 V to +5.5 V, 140 ␮A, Rail-to-Rail Voltage Output 10-Bit DAC in a SOT-23 AD5310* FUNCTIONAL BLOCK DIAGRAM VDD GND POWER-ON RESET FEATURES Single 10-Bit DAC 6-Lead SOT-23 and 8-Lead ␮ SOIC Packages Micropower Operation: 140 ␮ A @ 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 Zero Volts Three Power-Down Functions Low Power Serial Interface with Schmitt-Triggered Inputs On-Chip Output Buffer Amplifier, Rail-to-Rail Operation SYNC Interrupt Facility APPLICATIONS Portable Battery Powered Instruments Digital Gain and Offset Adjustment Programmable Voltage and Current Sources Programmable Attenuators GENERAL DESCRIPTION AD5310 REF (+) REF (–) DAC REGISTER 10-BIT DAC OUTPUT BUFFER VOUT INPUT CONTROL LOGIC POWER-DOWN CONTROL LOGIC RESISTOR NETWORK SYNC SCLK DIN PRODUCT HIGHLIGHTS The AD5310 is a single, 10-bit buffered voltage out 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 railto-rail output swing to be achieved. The AD5310 utilizes a versatile three-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 AD5310 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 zero volts and remains there until a valid write takes place to the device. The part contains a power-down feature which reduces the current consumption of the device to 200 nA at 5 V and provides software selectable output loads while in power-down 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 AD5310 is one of a family of pin-compatible DACs. The AD5300 is the 8-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 µSOIC packages. SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corporation. *Patent pending; protected by U.S. Patent No. 5684481. 1. Available in 6-lead SOT-23 and 8-lead µSOIC packages. 2. Low power, single supply operation. This part operates from a single +2.7 V to +5.5 V supply and typically consumes 0.35 mW at 3 V and 0.7 mW at 5 V, making it ideal for battery powered applications. 3. The on-chip output buffer amplifier allows the output of the DAC to swing rail-to-rail with a slew rate of 1 V/µs. 4. Reference derived from the power supply. 5. High speed serial interface with clock speeds up to 30 MHz. Designed for very low power consumption. The interface only powers up during a write .


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