AD5379 - ADI

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

Part No

AD5379
Manufacturer

ADI
ChipWorker Part#

CW430814733
Description

40Channel 14Bit Bipolar Voltage-Output D/A Converter
Documentation

Datasheet

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AD5379 Specifications

Attribute	Attribute Value

Part Number	AD5379
Manufacturer	ADI
ChipWorker Part#	CW430814733
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD5379 contains 40 14-bit DACs in one CSPBGA package. The AD5379 provides a bipolar output range determined by the voltages applied to the VREF(+) and VREF(−) inputs. The maximum output voltage span is 17.5 V, corresponding to a bipolar output range of −8.75 V to +8.75 V, and is achieved with reference voltages of VREF(−) = −3.5 V and VREF(+) = +5 V.
The AD5379 offers guaranteed operation over a wide VSS/VDD supply range from ±11.4 V to ±16.5 V. The output amplifier headroom requirement is 2.5 V operating with a load current of 1.5 mA, and 2 V operating with a load current of 0.5 mA.
The AD5379 contains a double-buffered parallel interface in which 14 data bits are loaded into one of the input registers under the control of the WR, CS, and DAC Channel Address Pins A0 to A7. It also has a 3-wire serial interface that is com-patible with SPI®, QSPI™, MICROWIRE™, and DSP® interface standards and can handle clock speeds of up to 50 MHz.
The DAC outputs are updated upon reception of new data into the DAC registers. All the outputs can be simultaneously updated by taking the LDAC input low. Each channel has a programmable gain and an offset adjust register.
Each DAC output is gained and buffered on-chip with respect to an external REFGND input. The DAC outputs can also be switched to REFGND via the CLR pin.
**Applications**
Level setting in automatic test equipment (ATE)
Variable optical attenuators (VOA)
Optical switches
Industrial control systems
### Features and Benefits
40-channel DAC in 13 mm × 13 mm 108-lead CSPBGA
Guaranteed monotonic to 14 bits
Buffered voltage outputs
Output voltage span of 3.5 V × VREF(+)
Maximum output voltage span of 17.5 V
System calibration function allowing user-programmable offset and gain
Pseudo differential outputs relative to REFGND
Clear function to user-defined REFGND (CLR pin)
Simultaneous update of DAC outputs ((LDAC pin)
DAC increment/decrement mode
Please see data sheet for additional features

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