AD5380BST-3 Analog Devices Inc, AD5380BST-3 Datasheet
AD5380BST-3
Specifications of AD5380BST-3
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AD5380BST-3 Summary of contents
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FEATURES Guaranteed monotonic INL error: ±4 LSB max On-chip 1.25 V/2 ppm/°C reference Temperature range: –40°C to +85°C Rail-to-rail output amplifier Power down Package type: 100-lead LQFP (14 mm × 14 mm) User interfaces: Parallel Serial (SPI®-, QSPI™-, ...
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AD5380 TABLE OF CONTENTS General Description ......................................................................... 3 Specifications..................................................................................... 4 AD5380-5 Specifications ............................................................. 4 AD5380-3 Specifications ............................................................. 6 AC Characteristics........................................................................ 7 Timing Characteristics..................................................................... 8 Serial Interface .............................................................................. Serial Interface...................................................................... 10 Parallel Interface ......................................................................... 11 Absolute Maximum ...
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GENERAL DESCRIPTION The AD5380 is a complete, single-supply, 40-channel, 14-bit DAC available in a 100-lead LQFP package. All 40 channels have an on-chip output amplifier with rail-to-rail operation. The AD5380 includes a programmable internal 1.25 V/2 ppm/°C reference, ...
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AD5380 SPECIFICATIONS AD5380-5 SPECIFICATIONS AVDD = 4 5.5 V; DVDD = 2 5.5 V, AGND = DGND = 0 V; External REFIN = 2.5 V; all specifications T unless otherwise noted. Table 3. Parameter ACCURACY Resolution ...
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Parameter LOGIC INPUTS (SDA, SCL ONLY Input High Voltage Input Low Voltage Input Leakage Current Input Hysteresis HYST C , Input Capacitance IN Glitch Rejection 3 LOGIC OUTPUTS (BUSY, ...
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AD5380 AD5380-3 SPECIFICATIONS AVDD = 2 3.6 V; DVDD = 2 5.5 V, AGND = DGND = 0 V; external REFIN = 1.25 V; all specifications T unless otherwise noted. Table 4. Parameter ACCURACY Resolution 2 ...
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Parameter 3 LOGIC OUTPUTS (BUSY, SDO Output Low Voltage Output High Voltage OH High Impedance Leakage Current High Impedance Output Capacitance LOGIC OUTPUT (SDA Output Low Voltage OL Three-State Leakage Current Three-State ...
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AD5380 TIMING CHARACTERISTICS SERIAL INTERFACE DVDD = 2 5.5 V; AVDD = 3.6 V; AGND = DGND = 0 V; all specifications T unless otherwise noted. Table 6. 1, ...
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SCLK SYNC DIN DB23 BUSY 1 LDAC VOUT1 2 LDAC VOUT2 t 18 CLR VOUT 1 LDAC ACTIVE DURING BUSY. 2 LDAC ACTIVE AFTER BUSY. Figure 3. Serial ...
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AD5380 SERIAL INTERFACE DVDD = 2 5.5 V; AVDD = 3.6 V; AGND = DGND = 0 V; all specifications T unless otherwise noted. Table 7. ...
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PARALLEL INTERFACE DVDD = 2 5.5 V; AVDD = 3.6 V; AGND = DGND = 0 V; all specifications T unless otherwise noted. Table 8. 1,2, 3 Parameter Limit ...
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AD5380 REG0, REG1, A5...A0 DB13...DB0 BUSY LDAC VOUT1 LDAC VOUT2 VOUT CLR t 19 ...
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ABSOLUTE MAXIMUM RATINGS 25°C, unless otherwise noted . A Table 9. Parameter Rating AVDD to AGND –0 DVDD to DGND –0 Digital Inputs to DGND –0 DVDD ...
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AD5380 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS FIFO EN 1 CLR 2 VOUT24 3 VOUT25 4 VOUT26 5 VOUT27 6 SIGNAL_GND4 7 8 DAC_GND4 9 AGND4 AVDD4 10 VOUT28 11 VOUT29 12 VOUT30 13 VOUT31 14 REFGND 15 REFOUT/REFIN 16 17 ...
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Mnemonic Function VOUT39/MON_OUT This pin has a dual function. It acts a a buffered output for Channel 39 in default mode. However, when the monitor function is enabled, this pin acts as the output of a 39-to-1 channel multiplexer that ...
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AD5380 Mnemonic Function FIFO EN FIFO Enable (Level Sensitive, Active High). When connected to DVDD, the internal FIFO is enabled, allowing the user to write to the device at full speed. FIFO is only available in parallel interface mode. The ...
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TERMINOLOGY Relative Accuracy Relative accuracy, or endpoint linearity measure of the maximum deviation from a straight line passing through the endpoints of the DAC transfer function measured after adjusting for zero-scale error and full-scale error, and ...
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AD5380 TYPICAL PERFORMANCE CHARACTERISTICS 2.0 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 –2.0 0 4096 8192 INPUT CODE Figure 9. Typical AD5380-5 INL Plot 2.539 AVDD = DVDD = 5V 2.538 V = 2.5V REF 2.537 T = 25°C A ...
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AI (mA) DD Figure 15. AI Histogram with Boost Off 0.4 0.5 0.6 0.7 0.8 DI (mA) DD Figure 16. DI Histogram DD ...
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AD5380 6 FULL SCALE 5 AVDD = DVDD = 5V 3/4 SCALE 4 MIDSCALE 3 2 1/4 SCALE 1 ZERO SCALE 0 –1 –40 –20 –10 –5 – CURRENT (mA) Figure 21. AD5380-5 Output Amplifier Source and Sink ...
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FUNCTIONAL DESCRIPTION DAC ARCHITECTURE—GENERAL The AD5380 is a complete, single-supply, 40-channel voltage output DAC that offers 14-bit resolution. The part is available in a 100-lead LQFP package and features both a parallel and a serial interface. This product includes an ...
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AD5380 ON-CHIP SPECIAL FUNCTION REGISTERS (SFR) The AD5380 contains a number of special function registers (SFRs), as outlined in Table 15. SFRs are addressed with REG1 = REG0 = 0 and are decoded using Address Bits A5 to A0. Table ...
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Table 16. Control Register Contents MSB CR13 CR12 CR11 CR10 Control Register Write/Read REG1 = REG0 = 001100 status determines if the operation is a write ( read ...
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AD5380 Table 18. AD5380 Channel Monitor Decoding REG1 REG0 ...
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HARDWARE FUNCTIONS RESET FUNCTION Bringing the RESET line low resets the contents of all internal registers to their power-on reset state. Reset is a negative edge- sensitive input. The default corresponds full scale and ...
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AD5380 AD5380 INTERFACES The AD5380 contains both parallel and serial interfaces. Furthermore, the serial interface can be programmed either SPI-, DSP-, MICROWIRE C-compatible. The SER/ PAR pin selects parallel and serial interface modes ...
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Daisy-Chain Mode For systems that contain several devices, the SDO pin may be used to daisy-chain several devices together. This daisy-chain mode can be useful in system diagnostics and in reducing the number of serial interface lines. By connecting the ...
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AD5380 SERIAL INTERFACE 2 The AD5380 features an I C-compatible 2-wire interface consisting of a serial data line (SDA) and a serial clock line (SCL). SDA and SCL facilitate communication between the AD5380 and the master at ...
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SCL SDA START COND BY MASTER ADDRESS BYTE SCL REG1 REG0 MSB SDA MOST SIGNIFICANT BYTE SCL SDA START COND BY MASTER ADDRESS BYTE SCL SDA REG1 REG0 MSB MOST ...
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AD5380 2-Byte Mode Following initialization of 2-byte mode, the user can update channels sequentially. The device address byte is only required once and the pointer address pointer is configured for auto- increment or burst mode. The user must begin with ...
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MICROPROCESSOR INTERFACING Parallel Interface The AD5380 can be interfaced to a variety of 16-bit microcon- trollers or DSP processors. Figure 35 shows the AD5380 family interfaced to a generic 16-bit microcontroller/DSP processor. The lower address lines from the processor are ...
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AD5380 AD5380 to PIC16C6x/7x The PIC16C6x/7x synchronous serial port (SSP) is configured as an SPI master with the Clock Polarity bit = 0. This is done by writing to the synchronous serial port control register (SSPCON). See the PIC16/17 Microcontroller ...
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APPLICATION INFORMATION POWER SUPPLY DECOUPLING In any circuit where accuracy is important, careful considera- tion of the power supply and ground return layout helps to ensure the rated performance. The printed circuit board on which the AD5380 is mounted should ...
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AD5380 AD5380 MONITOR FUNCTION The AD5380 contains a channel monitor function that consists of a multiplexer addressed via the interface, allowing any chan- nel output to be routed to this pin for monitoring using an external ADC. In channel monitor ...
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THERMAL MONITOR FUNCTION The AD5380 contains a temperature shutdown function to protect the chip in case multiple outputs are shorted. The short- circuit current of each output amplifier is typically 40 mA. Operating the AD5380 produces a ...
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AD5380 OPTICAL ATTENUATORS Based on its high channel count, high resolution, monotonic behavior, and high level of integration, the AD5380 is ideally targeted at optical attenuation applications used in dynamic gain equalizers, variable optical attenuators (VOA), and optical add-drop multiplexers ...
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UTILIZING THE AD5380 FIFO The AD5380 FIFO mode optimizes total system update rates in applications where a large number of channels need to be updated. FIFO mode is only available when parallel interface mode is selected. The FIFO EN pin ...
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... PLANE VIEW A ROTATED 90° CCW ORDERING GUIDE Model Resolution Temperature Range AD5380BST-3 14 Bits –40°C to +85°C AD5380BST-3-REEL 14 Bits –40°C to +85°C AD5380BST-5 14 Bits –40°C to +85°C AD5380BST-5-REEL 14 Bits –40°C to +85°C EVAL-AD5380EB 16.00 BSC SQ 1.60 MAX 14 ...
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NOTES Rev Page AD5380 ...
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AD5380 NOTES Purchase of licensed components of Analog Devices or one of its sublicensed Associated Companies conveys a license for the purchaser under the Philips I 2 Rights to use these components system, ...