鈩?/div>
-, and DSP-compatible
(featuring data readback)
I
2
C
庐
-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
DV
DD
(
脳
2)
DGND (
脳
2)
AV
DD
(
脳
2)
AGND (
脳
2)
DAC_GND (
脳
2)
REF_GND
REFOUT/REFIN SIGNAL_GND (
脳
2)
AD5390
1.25V/2.5V
REFERENCE
SPI/I
2
C
DCEN/AD1
14
INPUT
REG
0
14
14
14
DAC
REG
0
14
DAC 0
VOUT 0
m REG0
c REG0
14
14
DAC
REG
1
14
DAC 1
VOUT 1
VOUT 2
R
R
VOUT 3
VOUT 4
R
R
DIN/SDA
SCLK/SCL
SYNC/AD0
SDO
INTERFACE
CONTROL
LOGIC
STATE
MACHINE
AND
CONTROL
LOGIC
14
14
INPUT
REG
1
14
14
m REG1
c REG1
BUSY
PD
CLR
RESET
POWER-ON
RESET
14
INPUT
REG
6
14
14
14
14
DAC
REG
6
14
DAC 6
VOUT 5
VOUT 6
m REG6
c REG6
14
14
DAC
REG
7
14
DAC 7
VOUT 7
VOUT 8
R
R
V
IN
0
V
IN
15
14
INPUT
REG
7
14
MON_IN1
MUX
MON_IN2
m REG7
c REG7
14
脳
2
LDAC
R
R
VOUT 15
03773-0-001
MON_OUT
Figure 1.
Rev. A
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