AD5371 - ADI

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

Part No

AD5371
Manufacturer

ADI
ChipWorker Part#

CW389470406
RoHS

Lead free / RoHS Compliant
Description

40Channel, 14Bit, Serial Input, Voltage Output DAC
Documentation

Datasheet

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AD5371 Specifications

Attribute	Attribute Value

Part Number	AD5371
Manufacturer	ADI
ChipWorker Part#	CW389470406
Documentation	Datasheet
	expand all
Product Lifecycle Status	Active
RoHS	RoHS Compliant

Product Description

Product Details
The AD5371contains 40 14-bit DACs in a single 80-lead LQFP or 100-ball CSP_BGA. The device provides buffered voltage outputs with a span of 4× the reference voltage. The gain and offset of each DAC can be independently trimmed to remove errors. For even greater flexibility, the device is divided into five groups of eight DACs. Three offset DACs allow the output range of the groups to be adjusted. Group 0 can be adjusted by Offset DAC 0, Group 1 can be adjusted by Offset DAC 1, and Group 2 to Group 4 can be adjusted by Offset DAC 2.
The AD5371 offers guaranteed operation over a wide supply range, with VSS from −16.5 V to −4.5 V and VDD from 9 V to 16.5 V. The output amplifier headroom requirement is 1.4 V operating with a load current of 1 mA.
The AD5371 has a high speed serial interface that is compatible with SPI, QSPI™, MICROWIRE™, and DSP interface standards and can handle clock speeds of up to 50 MHz. It also has a 100 MHz low voltage differential signaling (LVDS) serial interface.
The DAC registers are updated on reception of new data. All the outputs can be updated simultaneously by taking the LDAC input low. Each channel has a programmable gain and an offset adjust register to allow removal of gain and offset errors.
Each DAC output is gained and buffered on chip with respect to an external SIGGNDx input. The DAC outputs can also be switched to SIGGNDx via the CLR pin.
**Applications**
Level setting in automatic test equipment (ATE)
Variable optical attenuators (VOA)
Optical switches
Industrial control systems
Instrumentation
*Protected by U.S. Patent No. 5,969,657; other patents pending.
### Features and Benefits
40-channel DAC in 80-lead LQFP and 100-ball CSP_BGA
Guaranteed monotonic to 14 bits
Maximum output voltage span of
4 × VREF
(20 V)
Nominal output voltage span of −4 V to +8 V
System calibration function allowing user-programmable offset and gain
Clear function to user-defined SIGGNDx
Multiple, independent output spans available
See Data Sheet for Additional Information

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