Datasheet ADIS16488A (Analog Devices) - 6

link to page 6
ADIS16488A Data Sheet TIMING SPECIFICATIONS
TC = 25°C, VDD = 3.3 V, unless otherwise noted.
Table 2. Normal Mode Parameter Description Min1 Typ Max1 Unit
12F fSCLK Serial clock 0.01 15 MHz t 2 STALL Stall period between data 2 µs 13F tCLS Serial clock low period 31 ns tCHS Serial clock high period 31 ns t Chip select to clock edge 32 ns A CSE tDAV DOUT valid after SCLK edge 10 ns tDSU DIN setup time before SCLK rising edge 2 ns tDHD DIN hold time after SCLK rising edge 2 ns tDR, tDF DOUT rise/fall times, ≤100 pF loading 3 8 ns tDSOE CSE assertion to data out active 0 11 ns A A tHD SCLK edge to data out invalid 0 ns tSFS Last SCLK edge to CSE deassertion 32 ns A A tDSHI CSE deassertion to data out high impedance 0 9 ns A A t1 Input sync pulse width 5 µs t2 Input sync to data invalid 490 µs t3 Input sync period 417 µs 1 Guaranteed by design and characterization, but not tested in production. 2 See Table 3 for exceptions to the stal time rating.
Table 3. Register Specific Stall Times Register Function Minimum Stall Time (μs)
FNCTIO_CTRL Configure DIOx functions 15 FLTR_BNK0 Enable/select FIR filter banks 10 FLTR_BNK1 Enable/select FIR filter banks 10 NULL_CFG Configure autonull bias function 10 GLOB_CMD[1] Self-test 12,000 GLOB_CMD[2] Flash memory test 50,000 GLOB_CMD[3] Flash memory update 375,000 GLOB_CMD[6] Factory calibration restore 75,000 GLOB_CMD[7] Software reset 120,000 Rev. E | Page 6 of 36 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Register Structure SPI Communication Device Configuration Dual Memory Structure Reading Sensor Data User Registers Output Data Registers Inertial Sensor Data Format Rotation Rate (Gyroscope) Acceleration Delta Angles Delta Velocity Magnetometers Barometer Internal Temperature Status/Alarm Indicators Firmware Revision Product Identification Digital Signal Processing Gyroscopes/Accelerometers Averaging/Decimation Filter Magnetometer/Barometer FIR Filter Banks Filter Memory Organization Default Filter Performance Calibration Gyroscopes Manual Bias Correction Bias Null Command Manual Sensitivity Correction Linear Acceleration on Effect on Gyroscope Bias Accelerometers Manual Bias Correction Manual Sensitivity Correction Magnetometers Hard Iron Correction Soft Iron Correction Matrix Barometers Restoring Factory Calibration Point of Percussion Alignment Alarms Static Alarm Use Static Alarm Polarity Controls Dynamic Alarm Use Alarm Example System Controls Global Commands Software Reset Automatic Self-Test Memory Management Flash Memory Test General-Purpose Input/Output Data-Ready Indicator Input Sync/Clock Control General-Purpose Input/Output Control Power Management General-Purpose Registers Real-Time Clock Configuration/Data Applications Information Mounting Best Practices Evaluation Tools Breakout Board, ADIS16IMU1/PCBZ PC-Based Evaluation, EVAL-ADIS2 Power Supply Considerations Outline Dimensions Ordering Guide