AD5446 - ADI

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

Part No

AD5446
Manufacturer

ADI
ChipWorker Part#

CW622316800
Description

14Bit High Bandwidth Multiplying DAC with Serial Interface
Documentation

Datasheet

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AD5446 Specifications

Attribute	Attribute Value

Part Number	AD5446
Manufacturer	ADI
ChipWorker Part#	CW622316800
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD5444/AD54461 are CMOS 12-bit and 14-bit, current output, digital-to-analog converters (DACs). Operating from a single 2.5 V to 5.5 V power supply, these devices are suited for battery-powered and other applications.
As a result of the CMOS submicron manufacturing process, these parts offer excellent 4-quadrant multiplication characteristics of up to 12 MHz.
These DACs use a double-buffered, 3-wire serial interface that is compatible with SPI®, QSPI™, MICROWIRE™, and most DSP interface standards. On power-up, the internal shift register and latches are filled with 0s, and the DAC output is at zero scale.
The applied external reference input voltage (VREF) determines the full-scale output current. These parts can handle ±10 V inputs on the reference, despite operating from a single-supply power supply of 2.5 V to 5.5 V. An integrated feedback resistor (RFB) provides temperature tracking and full-scale voltage output when combined with an external current-to-voltage precision amplifier. The AD5444/AD5446 DACs are available in small 10-lead MSOP packages, which are pin-compatible with the AD5425/AD5426/AD5432/AD5443 family of DACs.
The EV-AD5443/46/53SDZ board is available for evaluating DAC performance. For more information, see the UG-327 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
12 MHz multiplying bandwidth
INL of ±0.5 LSB at 12 bits
Pin-compatible 12-/14-bit current output DAC
2.5 V to 5.5 V supply operation
10-lead MSOP package
±10 V reference input
50 MHz serial interface
2.7 MSPS update rate
Extended temperature range: −40°C to +125°C
4-quadrant multiplication
Power-on reset with brownout detection
0.4 µA typical current consumption
Guaranteed monotonic

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