Datasheet AD5380 (Analog Devices) - 8

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Data Sheet AD5380 AD5380-3 S PECIFICATIONS
AVDD = 2.7 V to 3.6 V; DVDD = 2.7 V to 5.5 V, AGND = DGND = 0 V; external REFIN = 1.25 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 2. Parameter AD5380-31 Unit Test Conditions/Comments
ACCURACY Resolution 14 Bits Relative Accuracy (INL)2 ±4 LSB max Differential Nonlinearity (DNL) –1/+2 LSB max Guaranteed monotonic over temperature Zero-Scale Error 4 mV max Offset Error ±4 mV max Measured at Code 64 in the linear region Offset Error TC ±5 µV/°C typ Gain Error ±0.05 % FSR max At 25°C ±0.1 % FSR max TMIN to TMAX Gain Temperature Coefficient3 2 ppm FSR/°C typ DC Crosstalk3 1 LSB max REFERENCE INPUT/OUTPUT Reference Input3 Reference Input Voltage 1.25 V ±1% for specified performance DC Input Impedance 1 MΩ min Typically 100 MΩ Input Current ±1 µA max Typically ±30 nA Reference Range 1 to AVDD/2 V min/max Reference Output4 Enabled via CR10 in the AD5380 control register; CR12 selects the reference voltage Output Voltage 1.245/1.255 V min/max At ambient; CR12 = 0; Optimized for 1.25 V operation 2.47/2.53 V min/max CR12 = 1. Reference TC3 ±10 ppm/°C max Temperature range: +25°C to +85°C ±15 ppm/°C max Temperature range: −40°C to +85°C Output Impedance 800 Ω typ OUTPUT CHARACTERISTICS3 Output Voltage Range2 0/AVDD V min/max Short-Circuit Current 40 mA max Load Current ±1 mA max Capacitive Load Stability RL = ∞ 200 pF max RL = 5 kΩ 1000 pF max DC Output Impedance 0.6 Ω max MONITOR PIN Output Impedance 1 kΩ typ Three-State Leakage Current 100 nA typ LOGIC INPUTS (EXCEPT SDA/SCL)3 DVDD = 2.7 V to 3.6 V VIH, Input High Voltage 2 V min VIL, Input Low Voltage DVDD > 3.6 V 0.8 V max DVDD ≤ 3.6 V 0.6 V max Input Current ±1 µA max Total for all pins; TA = TMIN to TMAX Pin Capacitance 10 pF max LOGIC INPUTS (SDA, SCL ONLY)3 VIH, Input High Voltage 0.7 × DVDD V min SMBus-compatible at DVDD < 3.6 V VIL, Input Low Voltage 0.3 × DVDD V max SMBus-compatible at DVDD < 3.6 V IIN, Input Leakage Current ±1 µA max VHYST, Input Hysteresis 0.05 × DVDD V min CIN, Input Capacitance 8 pF typ Glitch Rejection 50 ns max Input filtering suppresses noise spikes of less than 50 ns Rev. D | Page 7 of 40 Document Outline Features Integrated Functions Applications Functional Block Diagram Table Of Contents Revision History General Description Specifications AD5380-5 Specifications AD5380-3 Specifications AC Characteristics Timing Characteristics Serial Interface I2C Serial Interface Parallel Interface Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Terminology Typical Performance Characteristics Functional Description DAC Architecture—General Data Decoding On-Chip Special Function Registers (SFR) SFR Commands NOP (No Operation) Write CLR Code Soft CLR Soft Power-Down Soft Power-Up Soft RESET Control Register Write/Read Control Register Contents Channel Monitor Function Hardware Functions RESET\ Function Asynchronous Clear Function BUSY\ and LDAC\ Functions FIFO Operation in Parallel Mode Power-On Reset Power-Down AD5380 Interfaces DSP-, SPI-, Microwire-Compatible Serial Interfaces Standalone Mode Daisy-Chain Mode Readback Mode I2C Serial Interface I2C Data Transfer START and STOP Conditions Repeated START Conditions Acknowledge Bit (ACK) AD5380 Slave Addresses Write Operation 4-Byte Mode 3-Byte Mode 2-Byte Mode Parallel Interface CS\ Pin WR\ Pin REG0, REG1 Pins Pins A5 to A0 Pins DB13 to DB0 Microprocessor Interfacing Parallel Interface AD5380 to MC68HC11 AD5380 to PIC16C6x/7x AD5380 to 8051 AD5380 to ADSP-BF527 Applications Information Power Supply Decoupling Power Supply Sequencing Typical Configuration Circuit AD5380 Monitor Function Toggle Mode Function Thermal Monitor Function AD5380 in a MEMS Based Optical Switch Optical Attenuators Utilizing the AD5380 FIFO Outline Dimensions Ordering Guide