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8-/16-Channel, 3 V/5 V, Serial Input, SingleSupply, 12-/14-Bit Voltage Output DACs AD5390/AD5391/AD5392
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 www.DataSheet4U.com 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) I2C®-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
DVDD (×2) DGND (×2) AVDD (×2) AGND (×2) DAC_GND (×2) REF_GND REFOUT/REFIN SIGNAL_GND (×2)
AD5390
1.25V/2.5V REFERENCE
SPI/I2C 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
VIN0
VIN15
14
INPUT REG 7 14
MON_IN1 MUX MON_IN2
m REG7 c REG7
14
×2
LDAC
R
R VOUT 15
03773-0-001
MON_OUT
Figure 1. Rev. A
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AD5390/AD5391/AD5392 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-, Microwir.
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