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OPAy192: OPA192 / OPA2192 / OPA4192 Q: RTM Jun’15 36V | Low Offset Voltage | RRIO E-TrimTM Op-amp Features Benefits • High DC Precision •True-Analog Precision: Great Vos and drift over temperature without the use of internally clocked autozero techniques. • Offset Voltage: 25µV (max) • Offset Voltage Drift: 0.1µV/°C (typ) (varies with different pkgs and channels) • Low Bias Current: 5pA • Low Noise: 5.5nV/√Hz at 1kHz • Rail to Rail Input / Output • 4.5V to +36V or ±2.25V to ±18V • High CMRR: 120dB • Short Circuit Current: 65mA • Fast Response • GBW: 10MHz, Slew Rate: 20V/µs • Settling to 0.01% at 5V Step: 1µs • High Cap Load Drive Capability: 1nF • Low Quiescent Current: 1.2mA (max) •True-RRIO to 36V maintains input and output linearity and low drift over the entire supply range. •True-Output Drive: Output current and cap-load enables high stability systems while maintaining high DC precision • Wide dynamic range & high throughput into SAR ADC • Ideal for interfacing with MUXES due to no input diode clamps Applications • • • • • Industrial Automation Test and Measurement Sensors and control Multi-channel data acquisition systems Precision Comparator (Released / Sampling / Preview) OPA192 (SO-8, MSOP-8, & SOT23-5) OPA2192 (SO-8 & MSOP-8) OPA4192 (TSSOP-14 & SO-14) TIPD128, 140, 151, 119 OPAy192 TI Precision Design Design Theory, Methodology, Simulation, Results Complete Design Detail Simulation Measured Results TI Confidential – NDA Restrictions 2 Low Offset, Wide Supply Voltage Op-Amps 1 2 4 150 OPA209 1 150µV, 2.5mA 36V, 1 μV/˚C Drift OPA827 1 2 4 OPA727 150µV, 6.5mA 12V, 20MHz GBW 150µV, 5.2mA 36V, 4nV/√Hz 1 OPA728 150µV, 6.5mA 12V, 0.3 μV/˚C Drift 125 1 2 4 OPA140 120µV, 2mA 36V, 0.35 μV/˚C Drift 1 2 4 Offset Voltage : VOS max (μV) 100 1 2 4 OPA2180 75µV, 525µA 36V, 0.1 μV/˚C Drift OPA227 75µV, 3.8mA 36V, 0.1 μV/˚C Drift 1 2 50 1 2 4 OPA2188 25µV, 510µA 36V, 0.03 μV/˚C Drift 1 2 4 OPA277 20µV, 825µA 36V, 0.1 μV/˚C Drift 1 2 5 OPA211 50µV, 4.5mA 36V, 1.1nV/√Hz 1 2 4 25 TLE2027 100µV, 5.3mA 38V, 2.5nV/√Hz Noise 100µV, 300µA 36V, 0.5 μV/˚C Drift 1 2 4 75 1 OPA234 1 OPA192 25µV, 1.2mA 36V, 0.1 μV/˚C Drift OPA177 25µV, 2mA 36V, 0.1 μV/˚C Drift OPA734 5µV, 750µA 12V, 0.01 μV/˚C Drift 1 OPA735 1 5µV, 750µA 12V, 0.01 μV/˚C Drift Zero-drift TLC2652A 1µV, 2.4mA 16V, 0.003 μV/˚C Drift 1 2 3 1 2 4 4 Supply Current: Iq max (mA/ch) 5 6 Channel Count Versions 7 EXISTING NEW ROADMAP OPAy192: OPA192 / OPA2192 / OPA4192 36V | Low Offset Voltage | RRIO E-TrimTM Op-amp • ─ Features ─ • ─ Discovery Questions Pricing & Availability ─ True Analog Precision Very low offset (5µV, typ) and drift (0.1µV/°C, typ) that enables high performance data acquisition for the highest accuracy in test and measurement. No like existing op amps, the OPAx192 realizes the high DC precision without auto-zero topology. By avoiding internal clocking impact, the OPAx192 has a low voltage noise of only 5.5nV/√Hz at 1kHz and low THD+N of 0.00008% at 1kHz. Rail to Rail Input / Output The only 36-V RRIO device of this kind, maintains input and output linearity and low drift over the entire supply range. No back-to-back diodes makes it ideal for multiplexer applications. • ─ True-Output Drive High Output current (up to 65mA) and cap-load (up to 1nF) enables high stability systems while maintaining high DC precision • ─ ─ ─ Fast Response Wide GBW (10MHz) with only 1.2mA quiescent current High slew rate: 20V/µs Settling to 0.01% at 5V Step: 1µs OPAy192: OPA192 / OPA2192 / OPA4192 36V | Low Offset Voltage | RRIO E-TrimTM Op-amp What is the supply voltage? Features What sort of DC precision (Vos, drift, bias) requirements do you have? What are the required bandwidth and slew rate? Discovery Questions Pricing & Availability Is a combination of low voltage and current noise floor (broadband, white noise) preferred? Are you using a multiplexer interfacing with the amp? Is your application requiring high output current and cap load capability? OPAy192: OPA192 / OPA2192 / OPA4192 36V | Low Offset Voltage | RRIO E-TrimTM Op-amp • Pricing 1Ku Features – $1.35 (Single) – $2.16 (Dual) • Availability Discovery Questions – Product Folder: Now – Samples: Now – Datasheet: Now Pricing & Availability – Reference Designs: TIPD128, TIPD119, TIPD140, TIPD151 – Blogs: A new era for CMOS amplifiers, Time for a trim? OPAy192 vs. competition Specificati on OPAx192 AD8675 AD8671/2/4 LT1678 LT1677 ISL28127 ADA4177 Abs max Vsup 40V ±18V 36V ±18V ±22V 42V 36V Vos (max) 25µV 75µV 75µV 150µV 60µV 70µV 60µV 0.5µV/°C 0.6µV/°C 0.7µV/°C 3µV/°C 2µV/°C 0.5µV/°C 1µV/°C 20pA 2nA 12nA 20nA 20nA 10nA 1nA UGF 10MHz 10MHz 10MHz 20MHz 7.2MHz 10MHz 3.5MHz Slew Rate 20V/µs 2.5V/µs 4V/µs 6V/µs 2.5V/µs 3.6V/µs 1.5V/µs 1/f Noise 1.3uVp-p 0.1uVp-p 0.077uVp-p 0.09uVp-p 0.09uVp-p 0.085uVp-p 0.175uVp-p Noise 5.5nV√Hz 2.8nV/√Hz 2.8nV/√Hz 3.9nV/√Hz 3.2nV/√Hz 2.5nV√Hz 8nV√Hz RRI YES NO NO YES YES NO NO RRO YES YES NO YES YES NO YES Iq 1.2mA 2.5mA 3mA 2.5mA 2.6mA 2.2mA 0.58mA Isc 65mA 35mA 30mA 35mA 35mA 45mA 25mA 1nF 10nF 2nF 150pF 1nF 2nF 1nF -40C to 85C -40C to 85C -40C to 125C -40C to 125C $2.93 $2.30 $1.05 Vos Drift (max) Ibias (max) Cap Load Temp range -40C to 125C -40C to 125C -40C to 125C Price (1K) Single : $1.35 $1.18 $1.06 Success Stories: OPAy192 Railway Industry- Signal Monitoring Where We Won Who: Electrical Sensors Manufacturer What: OPA192 Where: Signal monitoring Volume: 1M/Y How We Won Application requires precision amplifiers with no internal diodes, and low offset (Vos < 1mV). The OPAx192 uses a unique input architecture to eliminate the need for input protection diodes but still provides robust input protection under transient conditions. Also the OPAx192 offers outstanding dc precision with low offset (±25 μV, max) and low offset drift (±0.1 μV/°C, typ). OPA192 Provides Full 36-V Differential Input Range Conventional Input Protection Limits Differential Input Range Success Stories: OPAy192 Sensor Signal Conditioning Where We Won Who: Scientific Instruments Customer What: OPA192 and OPA2192 Where: Clinical Lab Equipment and Analytical Instruments Volume: 100ku/yr How We Won The OPA192 provided excelled DC Offset and Drift specification required for front end signal conditioning. “The part performed extremely well our proto board build and the CMRR vs Frequency was excellent.” The TI-Design released alongside was helpful for them to build their proto board and avoided multiple revisions. TIPD119 Combined Voltage/Current Output Terminal for Analog Outputs in Industrial Applications Features Benefits Single Terminal, Standard Voltage or Current Output for a Universal Analog Output Module 16-bit Resolution A combined voltage/current output succeeds in reducing wiring costs and connector counts while increasing the versatility of the AO design <0.1% TUE (%FSR) 0-24mA Current Output Precision <0.1% TUE (%FSR) ±10V Voltage Output Precision 4kV Digital ISO7641FC Galvanic Isolation Using Description Using the DAC8760 with the OPA192, a combined voltage and current output terminal for analog outputs in industrial applications is designed, featuring a single two-terminal output connector for both the voltage/ current outputs and <0.1% total unadjusted error (TUE) for precision applications. AVAILABLE @ TI.COM Wide variety of voltage/current output ranges, along with voltage over-ranges, provides the necessary functionality for a wide range of apps Discrete onboard solution – DAC8760 – includes most necessary components to create a configurable integrated solution for industrial voltage and current output drivers TIPD128 Capacitive Load Drive Using an Isolation Resistor Features Benefits Supply Voltage: 30V (±15V) Capacitive Loads: 100pF, 1000pF, 0.01µF, 0.1µF, 1µF Design can be used to drive a wide variety of capacitive loads, including cable shields, reference buffers, MOSFET gates, and diodes Isolation Resistor Controls Stability Features the OPA192 High Voltage, Rail-toRail Input/Output, Precision Op Amps, ETrim™ Series Amplifier Description This TI Verified Design implements a variety of op amps driving capacitive loads from 100pF to 1µF using an isolation resistor. The OPA192 is highlighted due to its ability to drive large capacitive loads with small isolation resistors. AVAILABLE @ TI.COM The OPA192 is highlighted because it can drive large capacitive loads using a small isolation resistor; however, an efficacy analysis of using other amplifiers is included Robust stability analysis to ensure the design functions as desired in the presence of process variation and adverse environmental conditions TIPD140 Single Op-Amp Slew Rate Limiter Features Benefits Component Programmable Slew Rate 20V/µs to 20V/s Slew Rate Merely one additional op amp stage can provide slew rate control for a given analog gain stage Dual or Single Supply Use Control the Rise/Fall of Op Amp Output Input Frequency Range: 0-250MHz Comprehensive Stability Analysis Description This TI Reference Design demonstrates how a single op amp can be used as a slew rate limiter. By controlling the slew rate of the command voltages into applications such as valve or motor drive circuits, the load voltages can ramp up and down at a safe rate, avoiding mechanical damage. AVAILABLE @ TI.COM Design specifications avoid the common mode voltage transition region inherent in most rail-torail, two-input-stage op amps Well-suited for applications involving abrupt changes in voltages or currents e.g. control systems for valves or motors TIPD151 Multiplexed Data Acquisition for High Voltage Inputs | 16-bit | 400KSPS | 4-Ch Features Benefits 4-Channel, High-Voltage (±20V), Multiplexed, Data Acquisition System Sampling Rate: 400kSPS (100kSPS/Ch) Design is optimized for low distortion and noise using the high resolution ADS8864 at its maximum sampling rate INL: ±1LSB ENOB: 14.2 16 Bit, Full Scale, Channel-to-Channel Settling Excellent Dynamic Performance, Low Power SAR ADC – ADS8864 Onboard MUX was selected for a its low drain capacitance, ensuring its channel switching time meets the design’s resolution requirements Description This TI Verified Design implements a 16-bit, differential, 4-channel, multiplexed DAQ system at 400KSPS throughput for high voltage differential input industrial applications, as well as optimizes the precision high voltage front end drive circuit to achieve excellent dynamic performance. AVAILABLE @ TI.COM Block-level circuit analysis provides many opportunities for design improvements or modifications for a variety of applications