Datasheet for EVAL-AD5668SDCZ:
- Manufacturer Part Number : EVAL-AD5668SDCZ
- Manufacturer : AD
- Description : Octal, 14-Bit, SPI Voltage Output denseDAC With 5 ppm/°C On-Chip Reference IC
- Series : AD5648
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Precision D/A Converters
- Function : Voltage Output D/A Converters
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : LFCSP Evaluation Board
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : EVAL-AD5668SDCZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The AD5648 device is a low power, octal, 14-bit, buffered voltage-output DAC. All devicesoperate from a single 2.7 V to 5.5 V supply and are guaranteedmonotonic by design. The AD5668 and AD5628 are available inboth a 4 mm × 4 mm LFCSP and a 16-lead TSSOP, while theAD5648 is available in both a 14-lead and 16-lead TSSOP.
The AD5628/AD5648/AD5668 have an on-chip reference withan internal gain of 2. The AD5628-1/AD5648-1/AD5668-1 havea 1.25 V 5 ppm/°C reference, giving a full-scale output rangeof 2.5 V; the AD5628-2/AD5648-2/AD5668-2 and AD5668-3 havea 2.5 V 5 ppm/°C reference, giving a full-scale output range of5 V. The on-board reference is off at power-up, allowing the useof an external reference. The internal reference is enabled via asoftware write.
The part incorporates a power-on reset circuit that ensures that theDAC output powers up to 0 V (AD5628-1/AD5648-1/AD5668-1,AD5628-2/AD5648-2/AD5668-2) or midscale (AD5668-3) andremains powered up at this level until a valid write takes place.The part contains a power-down feature that reduces the currentconsumption of the device to 400 nA at 5 V and provides software-selectable output loads while in power-down mode for any or allDAC channels. The outputs of all DACs can be updated simultaneouslyusing the LDAC function, with the added functionalityof user-selectable DAC channels to simultaneously update. Thereis also an asynchronous CLR that updates all DACs to a userprogrammablecode—zero scale, midscale, or full scale.
The AD5628/AD5648/AD5668 utilize a versatile 3-wire serialinterface that operates at clock rates of up to 50 MHz and iscompatible with standard SPI®, QSPI™, MICROWIRE™, andDSP interface standards. The on-chip precision output amplifierenables rail-to-rail output swing.
Product Highlights
- Octal, 12-/14-/16-bit DAC.
- On-chip 1.25 V/2.5 V, 5 ppm/°C reference.
- Available in 14-lead/16-lead TSSOP, 16-lead LFCSP, and 16-ball WLCSP.
- Power-on reset to 0 V or midscale.
- Power-down capability. When powered down, the DAC typically consumes 200 nA at 3 V and 400 nA at 5 V.
Applications
- Process control
- Data acquisition systems
- Portable battery-powered instruments
- Digital gain and offset adjustment
- Programmable voltage and current sources
- Programmable attenuators
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
