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AD5390BCP-5-AD5391BCP-5-AD5392BCP-3
16-Channel 14-Bit 3 V/5 V Single-Supply Voltage-Output DAC
8-/16-Channel, 3 V/5 V, Serial Input, Single-
Supply, 12-/14-Bit Voltage Output DACs
Rev. A
FEATURES
AD5390: 16-channel, 14-bit voltage output DAC
AD5391: 16-channel, 12-bit voltage output DAC
AD5392: 8-channel, 14-bit voltage output DAC
Guaranteed monotonic
INL: ±1 LSB max (AD5391)
±3 LSB max (AD5390-5/AD5392-5)
±4 LSB max (AD5390-3/AD5392-3)
On-chip 1.25 V/2.5 V, 10 ppm/°C reference
Temperature range: −40°C to +85°C
Rail-to-rail output amplifier
Power-down mode
Package types:
64-lead LFCSP (9 mm × 9 mm)
52-lead LQFP (10 mm × 10 mm)
User interfaces:
Serial SPI®-, QSPI™-, MICROWIRE™-, and DSP-compatible
(featuring data readback) 2C®-compatible interface
INTEGRATED FUNCTIONS
Channel monitor
Simultaneous output update via LDAC
Clear function to user-programmable code
Amplifier boost mode to optimize slew rate
User-programmable offset and gain adjust
Toggle mode enables square wave generation
Thermal monitor
APPLICATIONS
Instrumentation and industrial control
Power amplifier control
Level setting (ATE)
Control systems
Microelectromechanical systems (MEMs)
Variable optical attenuators (VOAs)
Optical transceivers (MSA 300, XFP)
FUNCTIONAL BLOCK DIAGRAM VOUT 0
VOUT 1
VOUT 2
VOUT 3
VOUT 4
VOUT 5
VOUT 6
VOUT 7
VOUT 8
VOUT 15
DIN/SDA
DCEN/AD1
SPI/I2C
SCLK/SCL
SYNC/AD0
SDO
REFOUT/REFINSIGNAL_GND (×2)REF_GNDDAC_GND (×2)AGND (×2)AVDD (×2)DGND (×2)DVDD (×2)
LDAC
BUSY
CLR
RESET
MON_IN1
MON_IN2
MON_OUT
Figure 1.
TABLE OF CONTENTS General Description.........................................................................3
AD5390-5/AD5391-5/AD5392-5 Specifications..........................4
AD5390-5/AD5391-5/AD5392-5 AC Characteristics.................6
AD5390-3/AD5391-3/AD5392-3 Specifications..........................7
AD5390-3/AD5391-3/AD5392-3 AC Characteristics.................9
Timing Characteristics: Serial SPI-, QSPI-, Microwire-, and
DSP-Compatible Interface.............................................................10
Timing Characteristics: I2C Serial Interface................................13
Absolute Maximum Ratings..........................................................14
ESD Caution................................................................................14
Pin Configuraton and Function Descriptions............................15
Terminology....................................................................................18
Typical Performance Characteristics...........................................19
Functional Description..................................................................23
DAC Architecture—General.....................................................23
Data Decoding—AD5390/AD5392.........................................24
Data Decoding—AD5391.........................................................24
Interfaces..........................................................................................25
DSP-, SPI-, and MICROWIRE-Compatible Serial Interface25 2C Serial Interface..........................................................................27 2C Data Transfer........................................................................27
START and STOP Conditions..................................................27
Repeated START Condition......................................................27
Acknowledge Bit (ACK)............................................................27 2C Write Operation.......................................................................28
4-Byte Mode................................................................................28
3-Byte Mode................................................................................29
2-Byte Mode................................................................................30
AD539x On-Chip Special Function Registers........................31
Control Register Write...............................................................33
Hardware Functions.......................................................................35
Reset Function............................................................................35
Asynchronous Clear Function..................................................35
BUSY and LDAC Functions......................................................35
Power-On Reset..........................................................................35
Power-Down...............................................................................35
Microprocessor Interfacing.......................................................35
Application Information................................................................37
Power Supply Decoupling.........................................................37
Typical Configuration Circuit..................................................37
AD539x Monitor Function.......................................................38
Toggle Mode Function...............................................................38
Thermal Monitor Function.......................................................38
Outline Dimensions.......................................................................40
Ordering Guide..........................................................................41
REVISION HISTORY
10/04: Data Sheet Changed from Rev. 0 to Rev. A Changes to Features..........................................................................1
Changes to Table 1............................................................................3
Changes to Table 2............................................................................4
Changes to Table 3............................................................................6
Changes to Table 4............................................................................7
Changes to Figure 36......................................................................35
Changes to Figure 37......................................................................36
Changes to Figure 38......................................................................36
Changes to Ordering Guide..........................................................41
4/04—Revision 0: Initial Version GENERAL DESCRIPTION The AD5390/AD5391 are complete single-supply, 16-channel,
14-bit and 12-bit DACs, respectively. The AD5392 is a complete
single-supply, 8-channel, 14-bit DAC. Devices are available both
in 64-lead LFCSP and 52-lead LQFP packages. All channels
have an on-chip output amplifier with rail-to-rail operation. All
devices include an internal 1.25/2.5 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 optimizes the output
amplifier slew rate.
The AD5390/AD5391/AD5392 contain a 3-wire serial interface
with interface speeds in excess of 30 MHz that are compatible
with SPI, QSPI, MICROWIRE, and DSP interface standards
and an I2C-compatible interface supporting a 400 kHz data
transfer rate.
An input register followed by a DAC register provides double-
buffering, allowing DAC outputs to be updated independently
or simultaneously using the LDAC input. Each channel has a
programmable gain and offset adjust register, letting the user
fully calibrate any DAC channel.
Power consumption is typically 0.25 mA per channel.
Table 1. Additional High Channel Count, Low Voltage, Single-Supply DACs in Portfolio AD5390-5/AD5391-5/AD5392-5 SPECIFICATIONS AVDD = 4.5 V to 5.5 V; DVDD = 2.7 V to 5.5 V; AGND = DGND = 0 V; REFIN = 2.5 V external.
All specifications TMIN to TMAX, unless otherwise noted.
Table 2. AD539x-5 products are calibrated with a 2.5 V reference. Temperature range for all versions: −40°C to +85°C.
2 Guaranteed by characterization, not production tested. Programmable either to 1.25 V typ or 2.5 V typ via the AD539x control register. Operating the AD539x-5 products with a reference of 1.25 V leads to a degradation in
performance accuracy.
4 Accuracy guaranteed from VOUT = 10 mV to AVDD − 50 mV.
