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AD5381
GENERAL DESCRIPTION
The AD5381 is a complete, single-supply, 40-channel, 12-bit
DAC available in a 100-lead LQFP package. All 40 channels
have an on-chip output amplifier with rail-to-rail operation.
The AD5381 includes a programmable internal 1.25 V/2.5 V,
10 ppm/°C reference, an on-chip channel monitor function that
multiplexes the analog outputs to a common MON_OUT pin
for external monitoring, and an output amplifier boost mode
that allows optimization of the amplifier slew rate. The AD5381
contains a double-buffered parallel interface that features a
20 ns WR pulse width, an SPI/QSPI/MICROWIRE/DSP
compatible serial interface with interface speeds in excess of
30 MHz, and an I
2
C compatible interface that supports a
400 kHz data transfer rate.
Rev. A | Page 3 of 36
An input register followed by a DAC register provides double
buffering, allowing the DAC outputs to be updated indepen-
dently or simultaneously using the LDAC input.
Each channel has a programmable gain and offset adjust
register that allows the user to fully calibrate any DAC channel.
Power consumption is typically 0.25 mA/channel with boost
mode disabled.
Table 1. Other Low Voltage Single-Supply DACs in Product Family
Model
Resolution
AV
DD
Range
AD5380BST-5
14 Bits
4.5 V to 5.5 V
AD5380BST-3
14 Bits
2.7 V to 3.6 V
AD5384BBC-5
14 Bits
4.5 V to 5.5 V
AD5384BBC-3
14 Bits
2.7 V to 3.6 V
AD5382BST-5
14 Bits
4.5 V to 5.5 V
AD5382BST-3
14 Bits
2.7 V to 3.6 V
AD5383BST-5
12 Bits
4.5 V to 5.5 V
AD5383BST-3
12 Bits
2.7 V to 3.6 V
AD5390BST-5
14 Bits
4.5 V to 5.5 V
AD5390BCP-5
14 Bits
4.5 V to 5.5 V
AD5390BST-3
14 Bits
2.7 V to 3.6 V
AD5390BCP-3
14 Bits
2.7 V to 3.6 V
AD5391BST-5
12 Bits
4.5 V to 5.5 V
AD5391BCP-5
12 Bits
4.5 V to 5.5 V
AD5391BST-3
12 Bits
2.7 V to 3.6 V
AD5391BCP-3
12 Bits
2.7 V to 3.6 V
AD5392BST-5
14 Bits
4.5 V to 5.5 V
AD5392BCP-5
14 Bits
4.5 V to 5.5 V
AD5392BST-3
14 Bits
2.7 V to 3.6 V
AD5392BCP-3
14 Bits
2.7 V to 3.6 V
Output Channels
40
40
40
40
32
32
32
32
16
16
16
16
16
16
16
16
8
8
8
8
Linearity Error (LSB)
±4
±4
±4
±4
±4
±4
±1
±1
±3
±3
±3
±3
±1
±1
±1
±1
±3
±3
±3
±3
Package Description
100-Lead LQFP
100-Lead LQFP
100-Lead CSPBGA
100-Lead CSPBGA
100-Lead LQFP
100-Lead LQFP
100-Lead LQFP
100-Lead LQFP
52-Lead LQFP
64-Lead LFCSP
52-Lead LQFP
64-Lead LFCSP
52-Lead LQFP
64-Lead LFCSP
52-Lead LQFP
64-Lead LFCSP
52-Lead LQFP
64-Lead LFCSP
52-Lead LQFP
64-Lead LFCSP
Package Option
ST-100
ST-100
BC-80
BC-80
ST-100
ST-100
ST-100
ST-100
ST-52
CP-64
ST-52
CP-64
ST-52
CP-64
ST-52
CP-64
ST-52
CP-64
ST-52
CP-64
Table 2. 40-Channel, Bipolar Voltage Output DAC
Model
Resolution
AD5379ABC
14 Bits
Analog Supplies
±11.4 V to ±16.5 V
Output Channels
40
Linearity Error
±3
Package
108-Lead CSPBGA
Package Option
BC-108
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