AD5384 Datasheet, PDF (1/36 Pages) Analog Devices – 40-Channel, 3 V/5 V, Single-Supply, Serial, 14-Bit Voltage Output DAC

40-Channel, 3 V/5 V, Single-Supply,
Serial, 14-Bit Voltage Output DAC
AD5384
FEATURES
Guaranteed monotonic
INL error: ±4 LSB max
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
Package type: 100-lead CSPBGA (10 mm × 10 mm)
User Interfaces:
Serial (SPI-®/QSPI-™/MICROWIRE-™/DSP-compatible,
featuring data readback)
I²C-®compatible
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
Variable optical attenuators (VOA)
Level setting (ATE)
Optical micro-electro-mechanical systems (MEMS)
Control systems
Instrumentation
PD
SYNC/AD 0
DCEN/AD 1
DVDD (×3)
DGND (×4)
FUNCTIONAL BLOCK DIAGRAM
AVDD (×5)
AGND (×5) DAC GND (×5)
REFGND REFOUT/REFIN SIGNAL GND (×5)
AD5384
1.25V/2.5V
REFERENCE
SDO
DIN/SDA
SCLK/SCL
SPI/I²C
INTERFACE
CONTROL
LOGIC
STATE
MACHINE
+
CONTROL
LOGIC
RESET
BUSY
CLR
POWER-ON
RESET
VOUT0……VOUT38
39-TO-1
MUX
14 _INPUT 14
REG 0
14
m REG 0
14
c REG 0
14 _INPUT 14
REG 1
14
m REG 1
14
c REG 1
14 _INPUT 14
REG 6
14
m REG 6
14
c REG 6
14 _INPUT 14
REG 7
14
m REG 7
14
c REG 7
14
DAC ¹⁴
REG 0
DAC 0
14
DAC ¹⁴
REG 1
DAC 1
14
DAC ¹⁴
REG 6
DAC 6
14
DAC ¹⁴
REG 7
DAC 7
×5
R
R
R
R
R
R
R
R
VOUT0
VOUT1
VOUT2
VOUT3
VOUT4
VOUT5
VOUT6
VOUT7
VOUT8
VOUT38
VOUT39/MON_OUT
LDAC
Figure 1.
Rev. A
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