AD5445 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD5445
Manufacturer

ADI
ChipWorker Part#

CW353117336
Description

High Bandwidth CMOS 12Bit Parallel Interface Multiplying D/A Converter
Documentation

Datasheet

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AD5445 Specifications

Attribute	Attribute Value

Part Number	AD5445
Manufacturer	ADI
ChipWorker Part#	CW353117336
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD5424/AD5433/AD5445 are CMOS 8-, 10-, and 12-bit current output digital-to-analog converters (DACs), respectively. These devices operate from a 2.5 V to 5.5 V power supply, making them suitable for battery-powered applications and many other applications. These DACs utilize data readback, allowing the user to read the contents of the DAC register via the DB pins. On power-up, the internal register and latches are filled with 0s and the DAC outputs are at zero scale.
As a result of manufacturing with a CMOS submicron process, they offer excellent 4-quadrant multiplication characteristics, with large signal multiplying bandwidths of up to 10 MHz.
The applied external reference input voltage (VREF) determines the full-scale output current. An integrated feedback resistor (RFB) provides temperature tracking and full-scale voltage output when combined with an external I-to-V precision amplifier.
While these devices are upgrades of the AD5424/AD5433/ AD5445 in multiplying bandwidth performance, they have a latched interface and cannot be used in transparent mode.
The AD5424 is available in a small, 20-lead LFCSP and a small, 16-lead TSSOP, while the AD5433 and AD5445 DACs are available in a small, 20-lead LFCSP and a small, 20-lead TSSOP. The EVAL-AD5445SDZ evaluation board is available for evaluating DAC performance. For more information, see the UG-333 evaluation board user guide.
Applications
Portable battery-powered applications
Waveform generators
Analog processing
Instrumentation applications
Programmable amplifiers and attenuators
Digitally controlled calibration
Programmable filters and oscillators
Composite video
Ultrasound
Gain, offset, and voltage trimming
### Features and Benefits
2.5 V to 5.5 V supply operation
Fast parallel interface (17 ns write cycle)
Update rate of 20.4 MSPS
INL of ±1 LSB for 12-bit DAC
10 MHz multiplying bandwidth
±10 V reference input
Extended temperature range:
–40°C to +125°C
See data sheet for additional features

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