AD5379ABCZ datasheet(4/29 Pages) AD

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AD5379

Rev. B | Page 3 of 28

GENERAL DESCRIPTION

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 maxi-

mum 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.

Table 1. High Channel Count, Low Voltage, Single-Supply DACs

Model

Resolution

AVDD Range

Output Channels

Linearity Error (LSB)

Package Description

Package Option

AD5380BST-5

14 bits

4.5 V to 5.5 V

±4

100-Lead LQFP

ST-100

AD5380BST-3

14 bits

2.7 V to 3.6 V

±4

100-Lead LQFP

ST-100

AD5381BST-5

12 bits

4.5 V to 5.5 V

±1

100-Lead LQFP

ST-100

AD5381BST-3

12 bits

2.7 V to 3.6 V

±1

100-Lead LQFP

ST-100

AD5384BBC-5

14 bits

4.5 V to 5.5 V

±4

100-Lead CSPBGA

BC-100

AD5384BBC-3

14 bits

2.7 V to 3.6 V

±4

100-Lead CSPBGA

BC-100

AD5382BST-5

14 bits

4.5 V to 5.5 V

±4

100-Lead LQFP

ST-100

AD5382BST-3

14 bits

2.7 V to 3.6 V

±4

100-Lead LQFP

ST-100

AD5383BST-5

12 bits

4.5 V to 5.5 V

±1

100-Lead LQFP

ST-100

AD5383BST-3

12 bits

2.7 V to 3.6 V

±1

100-Lead LQFP

ST-100

AD5390BST-5

14 bits

4.5 V to 5.5 V

±3

52-Lead LQFP

ST-52

AD5390BCP-5

14 bits

4.5 V to 5.5 V

±3

64-Lead LFCSP

CP-64

AD5390BST-3

14 bits

2.7 V to 3.6 V

±4

52-Lead LQFP

ST-52

AD5390BCP-3

14 bits

2.7 V to 3.6 V

±4

64-Lead LFCSP

CP-64

AD5391BST-5

12 bits

4.5 V to 5.5 V

±1

52-Lead LQFP

ST-52

AD5391BCP-5

12 bits

4.5 V to 5.5 V

±1

64-Lead LFCSP

CP-64

AD5391BST-3

12 bits

2.7 V to 3.6 V

±1

52-Lead LQFP

ST-52

AD5391BCP-3

12 bits

2.7 V to 3.6 V

±1

64-Lead LFCSP

CP-64

AD5392BST-5

14 bits

4.5 V to 5.5 V

±3

52-Lead LQFP

ST-52

AD5392BCP-5

14 bits

4.5 V to 5.5 V

±3

64-Lead LFCSP

CP-64

AD5392BST-3

14 bits

2.7 V to 3.6 V

±4

52-Lead LQFP

ST-52

AD5392BCP-3

14 bits

2.7 V to 3.6 V

±4

64-Lead LFCSP

CP-64

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