Datasheet ADAS3022 (Analog Devices) - 4

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Data Sheet ADAS3022 SPECIFICATIONS
VDDH = 15 V ± 5%, VSSH = −15 V ± 5%, AVDD = DVDD = 5 V ± 5%, VIO = 1.8 V to AVDD, internal reference, VREF = 4.096 V, fS = 1 MSPS. All specifications TMIN to TMAX, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
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RESOLUTION 16 Bits ANALOG INPUTS—IN[7:0], COM Operating Input Voltage Range VIN −VSSH + 2.5 VDDH − 2.5 V Differential Input Voltage Range, VIN VIN+ − VIN− PGIA gain = 0.16, VIN = 49.15 V p-p −6VREF +6VREF V PGIA gain = 0.2, VIN = 40.96 V p-p −5VREF +5VREF V PGIA gain = 0.4, VIN = 20.48 V p-p −2.5VREF +2.5VREF V PGIA gain = 0.8, VIN = 10.24 V p-p −1.25VREF +1.25VREF V PGIA gain = 1.6, VIN = 5.12 V p-p −0.625VREF +0.625VREF V PGIA gain = 3.2, VIN = 2.56 V p-p −0.3125VREF +0.3125VREF V PGIA gain = 6.4, VIN = 1.28 V p-p −0.1563VREF +0.1563VREF V Input Impedance ZIN 500 MΩ Channel Off Leakage ±0.6 nA Channel On Leakage ±0.02 nA Common-Mode Voltage Range2 VIN+, VIN−; full-scale differential inputs PGIA gain = 0.4 −5.12 +5.12 V PGIA gain = 0.8 −7.68 +7.68 V PGIA gain = 1.6 −8.96 +8.96 V PGIA gain = 3.2 −9.60 +9.60 V PGIA gain = 6.4 −9.92 +9.92 V ANALOG INPUTS—AUX+, AUX− Differential Input Voltage Range −VREF +VREF V THROUGHPUT Conversion Rate One channel/one pair 0 1000 kSPS Two channels/two pairs 0 500 kSPS Four channels/four pairs 0 250 kSPS Eight channels 0 125 kSPS Transient Response Full-scale step 520 ns DC ACCURACY No Missing Codes 16 Bits Integral Linearity Error PGIA gain = 0.16, 0.2, 0.4, 0.8, 1.6 −2 ±0.6 +2 LSB PGIA gain = 3.2 −3 ±1.0 +3 LSB PGIA gain = 6.4 −5 ±1.5 +5 LSB Differential Linearity Error PGIA gain = 0.16, 0.2, 0.4, 0.8, 1.6 −0.9 ±0.6 +1.0 LSB PGIA gain = 3.2 −0.9 ±0.75 +1.25 LSB PGIA gain = 6.4 −0.9 ±0.75 +1.25 LSB Transition Noise External reference PGIA gain = 0.16, 0.2, 0.4, 0.8, 1.6 5 LSB PGIA gain = 3.2 7 LSB PGIA gain = 6.4 11 LSB Gain Error External reference, all PGIA gains, TA = 25°C −9 +9 LSB Gain Error Temperature Drift External reference, all PGIA gains 0.1 ppm/°C Offset Error External reference, TA = 25°C PGIA gain = 0.16, 0.2, 0.4, 0.8 −3.0 +0.2 +3.0 LSB PGIA gain = 1.6 −4.0 +0.2 +4.0 LSB PGIA gain = 3.2 −7.5 +0.2 +7.5 LSB PGIA gain = 6.4 −12.5 +0.2 +12.5 LSB Rev. C | Page 3 of 40 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Overview ADAS3022 Operation Transfer Function Typical Application Connection Diagram Analog Inputs Input Structure Programmable Gain Common-Mode Operating Range Fully Differential, Antiphase Signals with a Zero Common Mode Fully Differential, Antiphase Signals with a Nonzero Common Mode Differential, Nonantiphase Signals with a Zero Common Mode Single-Ended Signals with a Nonzero DC Offset (Asymmetrical) Single-Ended Signals with a 0 V DC Offset (Symmetrical) Multiplexer Channel Sequencer Auxiliary Input Channel Driver Amplifier Choice Voltage Reference Output/Input Internal Reference External Reference and Internal Buffer External Reference Reference Decoupling Power Supply Core Supplies High Voltage Supplies Power Dissipation Modes Fully Operational Mode Power-Down Mode Conversion Modes Warp Mode (CMS = 0) Normal Mode (CMS = 1, Default) Digital Interface Conversion Control CNV Rising Edge—Start of a Conversion (SOC) BUSY Falling Edge—End of a Conversion (EOC) Reset and Power-Down (PD) Inputs Serial Data Interface CPHA Sampling on the SCK Falling Edge Sampling on the SCK Rising Edge (Alternate Edge) CFG Readback General Considerations Data Access During Conversion—Maximum Throughput General Timing Configuration Register On Demand Conversion Mode Channel Sequencer Details INx and COM Inputs (MUX = 1, TEMPB = 1) INx and COM Inputs with AUX Inputs (MUX = 0, TEMPB = 1) INx and COM Inputs with Temperature Sensor (MUX = 1, TEMPB = 0) INx and COM Inputs with AUX Inputs and Temperature Sensor (MUX = 0, TEMPB = 0) Sequencer Modes Basic Sequencer Mode (SEQ = 11) Update During Sequence (SEQ = 01) Advanced Sequencer Mode (SEQ = 10) Outline Dimensions Ordering Guide