INTERSIL SELECTION GUIDE INDUSTRIAL PROCESS CONTROL Precision Amplifiers, Precision Data Converters, Voltage References, Real Time Clocks, Interface, Digital Potentiometers (DCPs), Switch/Mux, Switching Regulators, Isolated PWM Controllers, LDOs, Integrated FET Switching Regulators, PWM Controllers, Voltage Monitors, Sequencers Q1/Q2 2012 INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS Intersil’s Solutions for Industrial Process Control Precision data acquisition solutions are required for a broad range of Industrial applications. Programmable logic controllers (PLC), distributed control systems (DCS), smart transmitters, and general-purpose data acquisition are used in the majority of these Industrial systems. These applications utilize various types of sensors and feedback mechanisms to monitor and control machine or system interactions by collecting, storing, and analyzing data. Sensor data acquisition involves precision measurement and processing of analog variables, such as voltages and currents, where there is a need to sense very small changes. Intersil’s broad portfolio of analog, power and interface solutions makes it well positioned to deliver world class solutions to Industrial customers. In this solutions brochure, you will find outstanding solutions from Intersil for your current and future Industrial systems. Intersil Corporation is a global technology leader specializing in the design and manufacture of high performance analog semiconductors. Built on a solid foundation, with many years of analog experience, Intersil is committed to developing leadership solutions for the Industrial market. Over the past several years, Intersil has heavily invested and will continue to invest in robust technology capable of supporting the demanding requirements of the Industrial market. Intersil’s proprietary 40V precision silicon-on-insulator (SOI) bipolar process technology, developed, specifically to target the Industrial market and the growing portfolio of leadership precision amplifiers, are excellent examples of this commitment. Typical Industrial Control Loop Block Diagram I2 C Bus ANALOG SIGNAL INPUT MODULEs MUX and ADC Pressure/Strain Gage Sensor VREF Precision Amps Gain Amplifiers DCP +V +V Precision Amps Precision Amps -V -V Precision Amps Gain Amplifiers DCP +V Precision Amps RTD Active Filters V Precision Amps Thermacouple Loop Supply Actuators Motors Control loops Differential Pressure Transducer w/ √ Extractor Gain Amplifiers +V Iout 4 -20mA 2 | www.intersil.com/industrial_process_control Vin Active Filters +V Precision Amps Precision Amps -V -V Switching Regulator V -V Flow Sensor LDO’s System Power +V -V ISO-Thermal Block VREF High Voltage Input Signal Temperature Sensor VREF µC ADC M U X Active Filters +V Precision Amps -V Buffer, Filters, Span Drivers +V Precision Amps -V M U X DAC VREF ANALOG SIGNAL OUTPUT MODULE INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS Contents RTC RS-232 PLC (Program Logic Controllers) Application 4 Analog Input RS-485 Master µC RS-485 RTC Mixed Signal High Voltage - Quad Op Amps to 24-bit Sigma Delta 4 Analog Output High Voltage Output Voltage and 0-20mA Current Loop 8 Sensors POWER Low Noise Precision Sensor Chipset Solutions 10 High Voltage Bridge Sensor Signal Conditioning 10 Voltage Monitors & Watchdog Control Real Time Clock 12 Power Core & I/O Power HV Dual Supply Power Solution LDO Switching Controller +V Switching Regulators High Voltage Input Rail ~24V 13 DCS (Distributed Control Systems) Application 14 Analog Input High Voltage and Low Voltage, Low Power Solutions 14 For Distributed Control Systems 14 Control RS-485/422 16 Single Ended Controller -V Sensors Wireless Strain Gauge Sensor 17 Additional Recommended Industrial Products Isolator Design Resources iSIM 18 20 20 Isolated Power www.intersil.com/industrial_process_control | 3 INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS PLC (Program Logic Controllers) Application Analog Output Analog Input Control Sensors Power Mixed Signal High Voltage - Quad Op Amps to 24-bit Sigma Delta • Low Noise • Low Power • Low Offset • Low Offset Drift Dual Supply Voltage Inputs ±10V Analog Input ISL28417 + +15V Hi Voltage LDO ISL78307 +5V - +15V -15V V+ - + Power Supply Solutions Dual Supply to Single Supply Attenuator - Vo+ Gnd DG408 +15V - Vin- - ISL21090 VREF ISL21009 2.5V 24-bit Low Noise ∆∑ ADC 2.5V V+ ISL21090 ISL21009 VREF + Vin+ + Low Noise VREF ISL28218 ISL28134 Vo- + ISL26132/134 ISL26102/104 Gnd Isolated HV Dual Supply + +15V - ISL6844 Low Noise Delta Sigma 24-bit Converters and Low Noise ADC Drivers OR +15V Non-Isolated HV Dual Supply - 15V -15V -15V ISL28408 Single Supply Voltage Inputs • Low Noise • Low Offset 0V to 10V Analog Input • Ground Sense Inputs • Rail-Rail Output • Low Power Option +10V to +15V + ISL97701 - -15V Gnd +15V Dual Supply to Single Supply Attenuator - + - Vin+ V+ Vo+ VREF DG408 + - Vin- - 2.5V V+ ISL21090 ISL21009 VREF + Gnd 4 to 256 CHANNELS Low Noise VREF ISL28218 ISL28134 ISL21090 ISL21009 2.5V 24-bit Low Noise Vo- + ∆∑ ADC ISL26132/134 ISL26102/104 Gnd + - Gnd - 15V Dual Supply Voltage Inputs High Impedance ±5V Analog Input • Low Noise • Low Offset • Low Bias Current ISL28210 (±5V to ±20V) + - + - +5V -5V - - -5V Vin+ - - V+ + Gnd +5V - 15V VREF Vo+ VREF Vin- Low Noise VREF ISL28218 ISL28134 Gnd +5V -5V 4 | www.intersil.com/industrial_process_control V+ + DG408 -5V + Dual Supply to Single Supply Attenuator +5V ISL28210 + +15V 2.5V ISL21090 ISL21009 Vo- ISL21090 ISL21009 2.5V 24-bit Low Noise ∆∑ ADC ISL26132/134 ISL26102/104 INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS PLC Analog Output Analog Input Control Sensors Power High Voltage Ultra Precision Op Amp: ISL28417 40V Quad, Low Power, Low Noise Precision Bipolar Op Amp Low Offset Drift of 0.6µV/°C MAX 18 NUMBER OF AMPLIFIERS 14 Key Features • • • • • Low Input Offset...................±50μV, Max Superb Offset TC............. 0.6μV/°C, Max Input Bias Current................ ±1nA, Max Input Bias Current TC......±5pA/°C, Max Low Current Consumption..........440μA • • • • V S = ± 15V 16 Voltage Noise........................... 8nV/√Hz Bandwidth.................................. 1.5MHz Wide Supply Range.............. 4.5V to 40V Operating Temperature Range............. . .................................... -40°C to +125°C Evalboard Available! 12 10 8 6 4 2 0 -0.45 -0.30 Key Features Applications • • • • • • • • • • • • • Wide Supply Range................. 9V to 40V Low Voltage Noise................... 6nV/√Hz Low Input Bias Current.................... 2pA High Slew Rate............................ 20V/μs High Bandwidth....................... 12.5MHz Low Input Offset...................300μV, Max Low Current Consumption........2.55mA Wide Tempe Range...... -40°C to +125°C Dual Supply Voltage (V) Quad ISL28117B ISL28217B ISL28417B ISL28127 ISL28227 ISL28107 ISL28207 ISL28407 ISL28117C ISL28217C ISL28417C ISL28118 ISL28218 ISL28177 ISL28108 ISL28208 ISL28408 ISL28110 ISL28210 0.15 0.30 0.45 Very High Impedance • ISL28210 is ideal for Flow Sensors and other high impedance applications. Photodiode Part Number 0 V OS TC (µV/°C) High Voltage Ultra Precision Op Amp: ISL28210 40V Dual Precision, Low Noise, JFET Op Amp Single -0.15 ISL28210 + High Impedance Buffers Medical Instrumentation Flow Sensor ATE/Test Data Acquisition Transimpedance Amp ISL28210 has Very High 560GΩ Input Impedance Vos Max @ 25°C TCVos Typ Ib Max @ 25°C CMRR min @ 25°C PSRR min @ 25°C Av Is Max min @ @ 25°C 25°C Noise 0.1 to 10Hz Voltage Noise @ 1kHz Current Noise @ 1kHz GBW Slew Rate Min Max In Out µV µV/°C nA dB dB dB mA MHz V/µs µVpp nV/√Hz fA/√Hz 4.5 4.5 4.5 4.5 3 4.5 3 9 40 40 40 40 40 40 40 40 No No No No Single Supply No Single Supply No No No No No Yes No Yes No 50 70 75 100 230 150 250 300 0.14 0.1 0.1 0.14 0.3 0.5 0.1 1 1 10 0.3 1 575 1 43 0.002 120 115 115 120 103 120 105 88 120 115 115 120 109 115 110 102 129.5 120 129.5 129.5 124.7 120 117 104 0.53 2.8 0.29 0.53 1.1 1.4 0.25 2.9 1.5 10 1 1.5 4 0.6 1.2 12.5 0.5 3.6 0.32 0.5 1.2 0.2 0.45 23 0.25 0.085 0.34 0.25 0.3 0.38 0.58 0.6 8 2.5 13 8 5.6 9.5 15.8 6 100 400 53 100 355 87 80 9 Rail-To-Rail www.intersil.com/industrial_process_control | 5 INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS PLC Analog Input Analog Output Control Sensors Evalboard Available! Power 24-bit ADCs: ISL26132, ISL26134 Low Noise Easy to Use ADC with Superior Noise Performance at Low Cost • At 10SPS, 128x Gain ISL26134 noise is 5.6nV/√Hz • Competitor A shows 10.2nV/√Hz Key Features • Drop-In Compatible with ADS1232/34 -- Improved Performance with no change in circuitry • 10SPS, 80SPS Operation • Best in Class Performance – 21.6 Bits noise-free (Gain = 1) • Low Noise PGA with Buffer • Simultaneous 50/60 Hz Noise Rejection • 2 & 4 Channel, Differential-input Multiplexer • All Functions Pin-programmed • Low Power: 50mW (max), 1µA in Shutdown Mode -- 5V Analog, 5.5V / 2.7V Digital Supplies • Easy-to-Use SPI-compatible Serial Interface • 24 / 28 Pin TSSOP Package • Extended Industrial Temp Range (-40ºC - 105ºC) • Robust ESD Rating – 7.5kV HBM • Samples and Evaluation Board Available Device ISL26102 ISL26104 ISL26132 ISL26134 Description Competitor A 128X Gain ISL26134 128X Gain Highly Integrated CAP AVDD DVDD ISL26132, ISL26134 AIN1+ AIN1AIN2+ AIN2AIN3+ AIN3ISL26134 AIN4+ Only AIN4- INPUT MUX XTALIN/CLOCK INTERNAL EXTERNAL OSCILLATOR CLOCK XTALOUT SDO/RDY ∆∑ ADC PGA 1x/2x/64x/ 128x SCLK PWDN SPEED A0 A1/TEMP AGND GAIN0 GAIN1 CAP DGND VREF+ VREF- DGND DGND Resolution (Bits) Max Conversion Rate (SPS) Channels INL (%FS) Noise (µVrms) Power (mW) Analog Supply Voltage (V) Digital Supply Voltage (V) Package 24 24 24 24 4000 4000 80 80 2 4 2 4 0.0002% 0.0002% 0.0002% 0.0002% 0.01 0.01 0.01 0.01 50 50 50 50 5V 5V 5V 5V 2.7V - 5V 2.7V - 5V 2.7V - 5V 2.7V - 5V 24 Ld TSSOP 28 Ld TSSOP 24 Ld TSSOP 28 Ld TSSOP Low-Noise 24-bit ADC Low-Noise 24-bit ADC Low-Noise, Low-cost 24-bit ADC Low-Noise, Low-cost 24-bit ADC 6 | www.intersil.com/industrial_process_control INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS PLC Analog Input Analog Output Control Sensors Evalboard Available! Key Features • • • • • • • • • • • 1A MOSFET Gate Driver 60μA Start-up Current, 100μA Maximum 25ns Propagation Delay Current Sense to Output Fast Transient Response with Peak Current Mode Control Adjustable Switching Frequency to 2MHz 20ns Rise and Fall Times with 1nF Output Load Trimmed Timing Capacitor Discharge Current for Accurate Deadtime/Maximum Duty Cycle Control High Bandwidth Error Amplifier Tight Tolerance Voltage Reference Over Line, Load, and Temperature Tight Tolerance Current Limit Threshold Pb-Free Available (RoHS Compliant) Refer to application note AN1612 to generate positive and negative isolated supplies. Single-Ended PWM Controller: ISL6844 Tight Tolerance Voltage Reference Over Line, Load, and Temperature 1.001 1.000 NORMALIZED VREF Single Ended Controller for Positive and Negative Isolated Supplies Power 0.999 0.998 0.997 0.996 0.995 -40 -25 -10 5 20 35 50 65 80 95 110 TEMPERATURE (°C) Isolated HV Dual Power Supply 1 VIN CIN D1 n +15V COUT1 CS RS DS n COUT2 D2 OUT -15V CS RSENSE VIN ISL6844 VREG VDD FB n CAUX GND Linear Regulator: ISL78307 40V, Low Quiescent Current, 50mA Linear Regulator High Input Voltage (VIN = 40V) VIN = 14V CIN 0.1µF R1 EN (ISL78307) GND Low Quiescent Current (Iq = 18µA) 70 60 QUIESCENT CURRENT (µA) 18μA Typical Quiescent Current Guaranteed 50mA Output Current 1.8μA of Typical Shutdown Current Low Dropout Voltage of 120mV at 50mA Fixed +3.3V, +5.0V and Adjustable Output Voltage Options Thermal Shutdown and Current Limit Protection -40°C to +125°C Operating Temperature Range Thermally Enhanced 8 Ld Exposed Pad SOIC Package 6kV ESD HBM Rated ADJ COUT 10µF R2 Key Features • • • • • • • • • VOUT = 12V OUT IN LOAD = 50mA 50 40 30 20 LOAD = 0mA 10 0 -50 0 50 100 150 TEMPERATURE (°C) www.intersil.com/industrial_process_control | 7 INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS PLC Analog Input Control Analog Output Sensors Power High Output Voltage and 0-20mA Current Loop Power Vin = 8V to 37V Vout = 40V FB CS Flexible Singled Ended Current Mode Controller • Accurate Voltage Reference • Fast Transient Response ISL8840A COMP VREF VDD OUT GND RTCT Typical Application : Wide Vin Boost Converter Analog VSupply High Voltage Precision Op Amps ISL21090 ISL21009 High Accuracy • 0.02% Initial Accuracy • 3ppm, 7ppm Temp Co • 20ppm Long Term Drift Low Noise • 1.9µV peak-peak (0.1H to 10Hz) • Wide Operating Voltage Range to ±20V or to 40V. • Low Power, Low Noise VREF DAC - ISL28208 ISL28217 - + + I OUT 4 - 20mA Current Loop JFET-input Precision Op Amps • Low Bias Current Cancellation Performance Over Temperature DAC + - ISL28210 • Fast Slew: 20V/µs VOUT ±4.5V to ±20V Dual Supply High Impedance DAC 8 | www.intersil.com/industrial_process_control + - ISL28218 ISL28208 VOUT Below V- to +40V Single Supply Rail-Rail Single Supply, High Voltage Precision Op Amps • Rail-Rail Outputs • Operates -0.5V Below V- INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS PLC Analog Input Analog Output Control Sensors Power Single-Ended PWM Controller: ISL8840A Key Features • • • • • • • • 1A MOSFET Gate Driver 90μA Start-up Current, 125μA Maximum 35ns Propagation Delay Current Sense to Output Fast Transient Response with Peak Current Mode Control 30V Operation Adjustable Switching Frequency 20ns Rise and Fall Times with 1nF Output Load Trimmed Timing Capacitor Discharge Current for Accurate Deadtime/Maximum Duty Cycle Control • 1.5MHz Bandwidth Error Amplifier • Tight Tolerance Voltage Reference Over Line, Load and Temperature • ±3% Current Limit Threshold Tight Tolerance Voltage Reference Over Line, Load, and Temperature 1.001 NORMALIZED VREF High Performance Single Ended Current Mode PWM Controller 1.000 0.999 0.998 0.997 0.996 0.995 -60 -40 -20 0 20 60 80 100 120 140 REFERENCE VOLTAGE vs TEMPERATURE Evalboard Available! 40V Precision Op Amp: ISL28208 40V Precision, Low Power, Single Supply, RRO Op Amp Intersil’s ISL28208 is a high voltage precision, low power op amp, featuring single power supply operation and rail-to-rail output to provide full output dynamic range to take take full advantage of the ADC performance in precision applications without compromise. Key Features • Wide Input Range • Rail-to-Rail Output • Single or Dual Supply Operating • Low Power - 250µA max 40 TEMPERATURE (°C) Typical Application Circuit RF 100kΩ LOAD RINRSENSE IN- 10kΩ RIN+ IN+ 10kΩ RREF+ - V+ ISL28208 V- +3V to 40V VOUT + GAIN = 10 100kΩ VREF • Precision -- Low Offset Voltage: 230µV max -- Low Drift: 0.1µV/°C typ • Low Noise -- 15.8nV/√Hz @ 1kHz -- 80fA/√Hz @ 1kHz SINGLE-SUPPLY, LOW-SIDE CURRENT SENSE AMPLIFIER www.intersil.com/industrial_process_control | 9 INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS PLC Analog Input Analog Output Control Power Sensors Low Noise Precision Sensor Chipset Solutions Low Noise Voltage References Voltage Output: 5V, 7V, 10V Zero Drift, Chopper-Stabilized Precision Op Amps • High Accuracy 0.02% Initial Accuracy 3ppm, 7ppm Temp Co 20ppm Long Term Drift • Low Noise (200nVpp) and Low Power (17µA) Options • High CMRR (135dB) Perfect for Bridge Excitation Signals • Low Noise, 1.9µV peak-peak (0.1H to 10Hz) • Rail-Rail Inputs/Outputs Power Supply Solution ISL21090 ISL21009 High Voltage Low Iq LDO VREF + VIN = 14V ISL78307 CIN 0.1µF EN - Bridge Frontends VOUT = 12V OUT IN ISL28134 ISL28133 COUT 10µF R1 ADJ ADC R2 GND ISL233x5 ISL233x8 ISL26132 ISL26102 ISL2632x + ISL28134 ISL28133 Low Noise Data Converters 24-bit Delta Sigma Industry Leader in Digital Potentiometers • Precision Low Noise: +22-bit ENOB • Digital Interface for Calibration I2C and SPI • Sample Rate: 2.5 to 4000 sps • Volatile and Non-volatile Wiper Position • Multi-channel Inputs + PGA High Voltage Bridge Sensor Signal Conditioning Precision Sensor & Data Acquisition 24-Bit Low Noise, Analog Inputs To Digital Output Active Source to Bridge Sensor Low Noise VREF 5V, 7V, 10V Sensor Calibration ISL21090 ISL21009 VREF Non-Isolated HV Dual Supply Wide VIN Boost Regulator Super Voltage Converter ISL97701 ISL98012 ICL7660S DCP ISL233X5 +20V +12V -20V -5V Power Supply Solutions R4 R3 1 to N Inputs to Multi-channel Instrumentation Amp Pressure Strain Flow Sensors General Purpose Mixed signal Inputs R2 N-ch Mux +15V ∆V = 100mV Transducer In ∆V = 1V +/-5V +/-10V 0V to 30V Gain/Attenuation Select R1 Bridge Sensor In HI-509 DAQ Inputs N-ch Mux Low Noise VREF ISL21090 ISL21009 2.5V VREF ISL54702 Multi-channel ADC Inputs IN+ Rin Out+ INOutFB+ FB- Rfb Vocm Current Shunt Sense mΩ - 15V ISL28516 ISL28617 ISL21090 VREF ISL21009 Host Controller 24-bit Low Noise ∆∑ ISL26132/134 ADC ISL26102/104 2.5V DC Adjust DCP Analog Control Feedback From Motor Control Block - +28V Microcontroller + ISL28006 High Voltage Current Sense Amp • Integrated Gain Options • Voltage Output 10 | www.intersil.com/industrial_process_control ISL22426 High Voltage Instrumentation Amp with Integrated Differential ADC Driver INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS PLC Analog Input Analog Output Control Power Sensors Volatile DCP: ISL233x5, ISL234x5, ISL233x8, ISL234x8 World’s Lowest Voltage, Volatile, DCP Family Integrated Level Translator I2C/SPI Voltage = 1.2V to 5.5V VLOGIC Lowest Voltage Specification Intersil Analog Voltage 1.7V to 5.5V Digital Voltage 1.2V to 5.5V Low Current Consumption 2.5µA - 1CH 3µA - 2CH 5µA - 4CH Competition 1.8V to 5.5V 2.7V to 5.5V Same as analog voltage, lowest is 1.8V Part # ISL23315, ISL23415, ISL23318, ISL23418 Single Intersil Competition µTQFN (2.1x1.6mm) SC-70 (2x2.1mm) µTQFN (2.6x1.8mm) ISL23345, ISL23445, ISL23348, ISL23448 Quad VLOGIC VCC Level Translator SCL DCP ISL23315 SDA Integrated Level Translator RH RW 1.6mm RL 2.1mm Direct communication with low voltage µC Benefit Vref Adjustment VREF 20% Smaller RH ISL23325, ISL23425, ISL23328, ISL23428 Dual µC Smallest 256-Tap DCP Smaller Package Type SDA SCL I2C Bus Benefit Operational when battery starts draining. Eliminate level shifter for I2C/ SPI when µC has low voltage I/O pins. Up to 2x more power Drains up to 50% less battery consumption power. 5V 1.2V _ 48% Smaller ISL23415 QFN (4x4mm) 25% Smaller QFN (3x4mm) RW VREF_M + ISL28114 RL QFN (4x4mm) Ultra Precision Vref: ISL21090 Ultra Low Noise, Precision Voltage Reference Temperature Drift (Coefficient) 2.5010 TYPICAL TEMPERATURE 2.5005 COEFFICIENT CURVE FOR 10 UNITS VOUT (V) 2.5000 Key Features • • • • • • • • • 7V Reference Output Voltage Option Initial Accuracy: ±0.02% Output Voltage Noise: 5.3µVpp Typ (0.1 to 10Hz) Supply Current: 930µA (typ) Tempco: 7ppm/°C (3ppm/°C coming soon) Output Current Capability: 20mA Line Regulation: 8ppm/V Load Regulation: 2.5ppm/mA Operating Temperature Range: -40°C to 125°C 2.4995 2.4990 2.4985 2.4980 -55 -35 -15 5 25 45 65 85 105 125 145 TEMPERATURE (°C) ISL21090 Typical Temperature Coefficient Curve Long Term Drift 40 30 5V 7V 10V ISL21090B 2.5V Device Number 1.25V X X X X X PPM 20 10 Isy Max (µA) Vsy Max (V) Noise Low Freq (µVp-p) Noise High Freq (µVrms) Iout Source (mA) Iout Sink (mA) Pkg -20 1280 36 1.9 1.6 20 10 SOIC-8 -30 0 0 -10 200 400 600 800 1000 Time (Hrs) Term Drift Data (1000 Hrs) ISL21090ISL21090 LongLong Term Drift Data (1000 Hrs) www.intersil.com/industrial_process_control | 11 INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS PLC Analog Input Analog Output Sensors Control Power Real Time Clock RTC Modules with Embedded Crystal and Temp Comp: ISL12022M 3 in 1 RTC Module Block Diagram (RTC + Embedded Crystal + Temp Sensor) ISL12022M Achieves Better than ±5ppm Accuracy Crystal Oscillator Frequency Control 2.7V to 5.5V POR Switch ± 1.8V to 5.5V • ±5ppm Accuracy (-40°C to +85°C) -- Factory Programmed RTC for Optimal Accuracy -- Onboard Temperature Sensor -- Embedded Crystal • Reliable Timekeeping & Power Management -- Backup Battery Management -- Vdd and Battery Status Monitors and Switchover Timestamp -- Battery ResealTM Function Extends Battery Shelf Life • User Programmability -- I2C Interface -- 128 Bytes Battery-Backed User SRAM • See Also -- ISL12020M (DFN 3 in 1); ISL12022 and ISL12023 Standalone RTCs µP Calendar Batterybacked User SRAM IRQ/FOUT High Accuracy Even in Extreme Temperature Conditions ISL12022M Compensated Crystal Drift 0.0 5 FOUT FREQUENCY ERROR (ppm) -20.0 FOUT (ppm) -40.0 -60.0 -80.0 -100.0 -120.0 -140.0 -160.0 -40 CPU Supervisory Function Uncompensated Crystal Drift -20 0 20 40 Temperature (°C) POR Watchdog Timer Seal Backup 1000 1 15 N N Y Y Shared Pin 128 Bytes ISL12022M 1000 1 15 N N Y Y Shared Pin 128 Bytes ISL12022MA 1000 1 15 N N Y Y Shared Pin 128 Bytes ISL12022M-R5421 1000 1 15 N N Y Y Shared Pin 128 Bytes 12 | www.intersil.com/industrial_process_control I2C Battery or Super Cap Alarms ISL12020M Brown-out Alarm Battery ReSeal™ VBAT Selectable Frequency Output Device Clock Single Alarm VTRIP Key Features Temp Sensor Compensation Registers Power Control VDD IBAT (nA) Embedded Temperature Sensor Embedded Crystal 60 80 100 Better than ±5.0ppm over -40 to +85°C! 4 3 2 1 0 -1 -2 -3 -4 -5 -40 -20 0 20 40 TEMPERATURE (°C) 60 80 Battery IRQ FOUT SRAM Other Functions • Battery Switchover Time Stamp • Battery Status Monitor • Battery Switchover Time Stamp • Battery Status Monitor • Enhanced Environmental MoistureTolerance • Firmware Compatible with ISL12020M and ISL12022M • Enhanced ESD Performance • Firmware Compatible with ISL12020M and ISL12022M Package 20 Ld DFN 20 Ld SOIC Enhanced 20 Ld SOIC Enhanced 20 Ld SOIC INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS PLC Analog Input Analog Output Control Sensors Power HV Dual Supply Power Solution + L1 6.8µH C2 - 4.7µF VDDOUT VDD C0 5µF NEN NSYNC - 20.99V - C3 4.7µF D3 + VOUT(positive) LX OSCILLATOR AND CONTROL 5V D2 GND D1 Q1 VOUT 20V V0 20.99V + C1 4.7µF - R1 383kΩ ISL97701 5V R2 22.2kΩ 33.2kΩ -20V 100kΩ V+ + - R3 FB VOUT(negative) R6 ISL28108 R5 100kΩ V- V- + V+ 5V R4 ISL28108 100kΩ For more information, refer to AN1673 “Application Circuit to generate Positive and Negative Supplies Using ISL97701 Boost Regulator”. Integrated FET Boost Regulator: ISL97701 Up to 2.5W Output Power Delivered in a 3x3mm TDFN Package 3.2 2.9 2.6 POUT (W) Boost Regulator for Positive and Negative Supplies 2.3 2.0 1.7 1.4 1.1 0.8 0.5 2.3 2.7 3.1 3.5 3.9 VIN (V) 4.3 4.7 5.1 5.5 RECOMMENDED MAXIMUM OUTPUT POWER vs INPUT VOLTAGE Highly Integrated Design Reduces External Components Integrated Schottky diode L1 • • • • • • • • • Up to 87% Efficiency 2.3V to 5.5V Input Up to 28V Output Integrated Boost Schottky Diode Input Voltage Disconnect Switch for Micro Power Shutdown Synchronization Input 10 Ld 3x3 DFN Package Pb-free (RoHS Compliant) Up to 2.5W Output Power 6.8µH VDDOUT 2.3V TO 5.5V VDD C0 5µF NEN NSYNC LX VOUT OSCILLATOR AND CONTROL Key Features Integrated input disconnect switch enables true micro power shutdown. C1 3.3µF GND Synchronization input to lock to preferred switching frequency to reduce unwanted noise in the system. VDD+2V TO 30V FB ISL97701 R1 390kΩ Internally compensated boost requires only a small 3.3µF output cap for stability. R2 39kΩ NOTE: VOUT = (390k + 39k)/39k*1.15V = 12.65V www.intersil.com/industrial_process_control | 13 INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS DCS (Distributed Control Systems) Application Analog Input Analog Output Control Sensors Power High Voltage and Low Voltage, Low Power Solutions For Distributed Control Systems Non-Isolated HV Dual Supply Wide VIN Buck Regulator Super Voltage Converter ISL97701 ISL85001 ICL7660S +V -V +V -V Power Supply Solutions High Voltage Precision Op Amps • Low Noise • Low Power • Dual or Single Supply Dual Supply to Single Supply Attenuator ISL28118/218/418 ISL28108/208/408 ISL28117/217/417 - +10V to +15V Single Supply Voltage Inputs Vin+ + - 0V to 10V Analog Input Low Noise VREF ISL28208 ISL28133/ISL28134 V+ + VREF Vin- • Low Noise • Low Offset • Ground sense inputs • Rail-Rail Output • Low Power option - V+ 2.5V Vo+ Gnd Gnd ISL21090 VREF ISL21009 2.5V SAR ISL21090 ISL21009 Vo- + ADC ISL267xx ISL263xx Gnd SAR Converters • Excellent Linearity: ±0.5LSB DNL, ±1LSB INL • Many Competitor Pin-Pin Compatiable Solutions Zero Drift, Precision Op Amps • Accuracy Over Temperature Drift Offset: 5µV Offset Drift: 50nV/C Low Power Solutions (3V) ISL28133 @ 50µW ISL263xx @ 5mW ISL21009 @ 540µW ISL28133/233/433 (1.8V to 5.5V) Low Power ISL28134 (2.4V to 5.5V) Low Noise Low Noise VREF ISL21090 VREF ISL21009 2.5V SAR + High Impedance Analog Input • Low Noise • Low Offset • Low Bias Current 14 | www.intersil.com/industrial_process_control - ISL267xx ISL263xx ADC INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS DCS Analog Output Analog Input Control Sensors Power 12-Bit SAR ADC: ISL2671286, ISL267817 Low Cost SAR A/D Converter Family Block Diagram VREF VDD Intersil P/N ISL267440 (Coming soon) Competitor’s P/N AD7440 (ADI) Device Description ISL267817 AIN+ SAR Logic AIN– Serial Interface SCLK DOUT CSB DAC • 100% Drop-In Compatible with Performance Equal or Better than Highest Grades • Improved Alternative to Popular Competing Devices • Simple SPI-Compatible Serial Digital Interface • Guaranteed No Missing Codes • Low Operating Power -- 2.15mW (200kSPS) • Power-Down Current Between Conversions: 3μA • Excellent Differential Non-Linearity (1.0LSB max) • Available in MSOP, SOT-23 and SOIC Packages DAC Key Features VREF GND Resolution (bits) Conversion Rate (kSPS) 10 1000 10 Bit 1MSPS SAR ADC Packages (All 8 lead) SOT-23, MSOP ISL267450 (Coming soon) AD7450 (ADI) 12 Bit 1MSPS SAR ADC 12 1000 SOIC, MSOP ISL267450A (Coming soon) AD7450A (ADI) 12 Bit 1MSPS SAR ADC 12 1000 SOT-23, MSOP ISL267452 (Coming soon) AD7452 (ADI) 12 Bit 555kSPS SAR ADC 12 555 SOT-23 ISL2671286 (Sampling) ADS1286 (TI) 12 Bit Single Ended 20kHz SAR ADC 12 20 SOIC ISL267817 (Sampling) ADS7817 (TI) 12 Bit 200kSPS SAR ADC 12 200 SOIC, MSOP ISL26708 (Coming soon) Proprietary 8 Bit 1MSPS SAR ADC 8 1000 3x3 DFN, SOT-23 ISL26710 (Coming soon) Proprietary 10 Bit 1MSPS SAR ADC 10 1000 3x3 DFN, SOT-23 ISL26712 (Coming soon) Proprietary 12 Bit Single Ended 20kHz SAR ADC 12 1000 3x3 DFN, SOT-23 Evalboard Available! Key Features • Standard Buck Controller with Integrated Switching Power MOSFET • Integrated Boot Diode • Wide Input Voltage Range -- Fixed 5V ±10% -- Variable 5.5V to 25V • PWM Output Voltage Adjustable from 0.6V to 19V with Continuous Output Current up to 1A • Externally Adjustable Soft-Start Time • “Power OK” and “Enable” Typical Application : Positive Vout R3 C3 301 100pF C2 2.2nF COMP C5 0.1µF FB R4 3.16k SS 1A, High VIN STD Buck Regulator Integrated FET Buck Regulators: ISL85001 R2 31k VOUT R1 10k C1 10pF VIN 5.5V TO 25V C9 10µF EN ISL85001 PG L 22µH PHASE C10 BOOT 0.1µF GND D B340LB VOUT = 2.5V C11 47µF VDD C13 1µF Typical Application : Negative Vout Vin + U1 12 1 2 11 10 3 4 9 5 8 6 + 7 13 GND ISL8500 / ISL85001 -Vout www.intersil.com/industrial_process_control | 15 INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS DCS Analog Input Analog Output Sensors Control Power RS-485/422 RS-485/RS-422 Transceivers: ISL315xE, ISL317xE RS-485/RS-422 Family of Transceivers with the Highest Noise Immunity and ESD Protection in Small Packages Enhanced Noise Immunity 60% Higher Output Voltage (ISL315xE) Intersil’s ISL315xE 2.4V RS-485 Standard 1.5V 1 1.5 2 Provides enhanced noise immunity and can drive longer cable lengths or more cable terminations. 2.5 Output Voltage (V) Space-saving Small Package Key Features • 60% Higher Output Voltage. 2.4V min vs. typical 1.5V min • IEC61000 ESD Protected I/O Pins • True 1/8 Unit Load 50% r alle Sm 8 Ld SOIC 8 Ld MSOP Typical Operating Circuit Full Fail-Safe Rx predictable performance when bus faults occur. +3.3V (ISL317xE) +5V (ISL315xE) 3.3V or 5V operation +3.3V (ISL317xE) +5V (ISL315xE) IEC61000-4-2 ESD Protection ±15kV Airgap discharge, ±8kV contact discharge (half-duplex versions). ISL315xE ISL317xE Hot Plug Capability prevents data corruption during power-up on an active bus. ISL315xE ISL317xE Fractional Unit Load Rx allows up to 256 devices on the bus without expensive repeaters. 3V-5.5V RS-485/RS-422 Transceivers with Fractional UL, 15kV ESD, Full Failsafe SHDN ICC (µA) Device 5V ISL3150E 256 Full 0.115 800/700 0.07 ISL3152E 256 Half 0.115 800/700 0.07 ISL3153E ISL3155E ISL3156E ISL3158E 3.3V ISL3170E ISL3172E ISL3173E ISL3175E ISL3176E ISL3178E 256 256 256 256 Full Half Full Half 1 1 20 20 800/700 800/700 800/700 800/700 0.07 0.07 0.07 0.07 256 256 256 256 256 256 Data Half/Full Rate Duplex (Mbps) IS EN/ DIS (µA) Devices Allowed on Bus Full Half Full Half Full Half 0.25 0.25 0.5 0.5 20 20 510/480 510/480 510/480 510/480 510/480 510/480 0.01 0.01 0.01 0.01 0.01 0.01 16 | www.intersil.com/industrial_process_control VCC Range (+V) Package 4.5 to 5.5 10 Ld MSOP, 14 Ld SOIC MSOP, 8 Ld PDIP, 4.5 to 5.5 88 Ld Ld SOIC 4.5 to 5.5 10 Ld MSOP, 14 Ld SOIC 4.5 to 5.5 8 Ld MSOP, 8 Ld SOIC 4.5 to 5.5 10 Ld MSOP, 14 Ld SOIC 4.5 to 5.5 8 Ld MSOP, 8 Ld SOIC 3.0 to 3.6 3.0 to 3.6 3.0 to 3.6 3.0 to 3.6 3.0 to 3.6 3.0 to 3.6 10 Ld MSOP, 14 Ld SOIC 8 Ld MSOP, 8 Ld SOIC 10 Ld MSOP, 14 Ld SOIC 8 Ld MSOP, 8 Ld SOIC 10 Ld MSOP, 14 Ld SOIC 8 Ld MSOP, 8 Ld SOIC The ISL3261x single Tx/Rx RS-485/422 operate at the industry’s lowest supply voltage, 1.8V, while drawing very little power. Designers can easily meet strict power budgets for battery and remote sensing applications. 1.8V RS-485/422 Tx, Rx, and Transceivers with Ultra Low Supply Current for Remote or Solar Powered Sensor Communication Part Number ISL32610E ISL32611E ISL32612E ISL32613E ISL32614E ISL3260xE (coming soon) Tx Rx Supply Range Data Rate kbps ICC (µA) max Shutdown Current (µA) max ESD rating Pkg 0 0 0 1 1 1 1 1 0 0 1.8-3.6V 1.8-3.6V 1.8-3.6V 1.8-3.6V 1.8-3.6V 256/500 256/500 256/500 256/500 256/500 110 110 110 80 80 N/A 7 7 2 2 IEC61000 IEC61000 IEC61000 IEC61000 IEC61000 1 1 1.8-3.6V 128/460 85 1 IEC61000 SOT23 SOT23 SOT23 SOT23 SOT23 SOIC/ MSOP INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS DCS Analog Input Analog Output Control Power Sensors Wireless Strain Gauge Sensor Low Power Analog Signal Conditioning High Voltage LDO Wide Vin Boost Regulator ISL78301 ISL98012 Power Supply Solutions ISL54051 Strain Gauge Sensor Wireless Transmitter IN- V+ 12-14bit SAR ADC Out+ IN+ V- 51µW 3.3mW ISL2671286 ISL2632X ISL28133 12-Bit, 20kSPS SAR ADC • SOT-23 package 3mm x 3mm DFN Ultralow Power Chopper Stabilized Zero Offset Op Amp • SOT-23 package 1.6mm x 1.6mm µTDFN Evalboard Available! 5V Op Amps: ISL28233, ISL28433 Micropower, Chopper Stabilized, RRIO Operational Amplifiers Zero Drift VREF ISL21009 ISL21090 Zero Drift The ISL28233 and ISL28433 are dual and quad micropower, chopper stabilized operational amplifiers that are optimized for single and dual supply operation from 1.8V to 6.0V. Their low supply current of 18μA and wide input range enable the ISL28233, ISL28433 to be excellent general purpose op amps for a wide range of applications. Temp Diode + Part Number Single ISL28133* ISL28134 Dual Quad ISL28233 ISL28433 Min Max Rail-To-Rail In Out V- Digital Potentiometer ISL22323 Typical Application Circuit - Temperature Measurement Best in Class Performance for Precision and Drift Low Input Offset Voltage: 6μV, Max. Low Offset Drift: 0.05μV/°C, Max. Input Bias Current: 180pA, Max. Noise (0.01Hz to 10Hz): 1.0μV P-P, Typ. Quiescent Current (per amp): 8μA, Typ. Single Supply Range: 65V to +6.0V Temperature Range: -40°C to +125°C Rail-to-Rail Inputs and Output Supply Voltage (V) V+ Intersil Low Drift Precision Op Amps iso-block Key Features 0.50 0.40 0.30 0.20 VOS Drift (µV) • • • • • • • • TX µController 0.10 0.00 -0.10 -0.20 -0.30 -0.40 -0.50 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Months ISL28233 Long Term VOS Drift Long Term VOS Drift Vos Max @ 25°C TCVos Max Ib Max @ 25°C CMRR min @ 25°C PSRR min @ 25°C Is Max @ 25°C µV µV/°C nA dB dB mA GBW Slew Rate Noise 0.1 to 10Hz Voltage Noise @ 1kHz MHz V/µs µVpp nV/√Hz Single Package 1.8 5.5 Yes Yes 6 0.05 0.18 118 110 0.025 0.4 0.2 1 65 SC70, SOT23, TDFN 2.25 6 Yes Yes 2.5 0.015 0.3 120 120 0.900 3.5 1.5 0.25 10 SOIC Dual Quad MSOP, SOIC, SOIC, TSSOP, TDFN TDFN *Some specifications will differ, please check data sheet for actual parameters and/or conditions www.intersil.com/industrial_process_control | 17 INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS Additional Recommended Industrial Products Where Used Part Numbers ISL28127, ISL28127 Analog Input Modules Sensor Signal Conditioning Gain Blocks, Filtering Output Drivers 40V, Low Noise, Low VOS, Low IBIAS, Low Power, Low TC VOS Drift ISL28107, ISL28207, ISL28407 40V, Ultra Low IBIAS Drift, Low VOS &, Low Power Voltage Reference Interface Analog Input Modules Sensor Signal Conditioning Sensor Calibration & Bias ADC Reference CPU Reference Non Isolated Interface to Micro Controller 40V, Low Noise, Single Supply, RRO OPA ISL28110/210 40V, Low Noise, JFET Input OPA ISL28176, ISL28276, ISL28476 5V, Low Power, Low Noise, No VCM Distortion ISL28113, ISL28213, ISL28413 5V Low Cost 2MHz CMOS OPA ISL28130/ISL28230/ISL28430 5V Low Cost, MicroPower OPA ISL28133/ISL28233/ISL28433 5V MicroPower, Chopper Stabilized OPA ISL28134 5V, Low Noise, Chopper Stabilized OPA EL8170, ISL28270, EL8173 Digital Potentiometers (DCPs) Sensor Calibration & Bias Input Module Amp Gain Adjustment Output Module Amp Gain Adjustment 36V Low Noise Bandgap Reference, High Accuracy 16V Low Power and Low Noise, High Accuracy ISL21060 5V Micro Power, VOUT Force & Sense ISL60002 5V Ultra Low Power, High Accuracy ISL317xE 3V IEC6000 ESD RS485 w/ Hot Plug & Fail Safe ISL315xE 5V IEC6000 ESD RS485 w/ Hot Plug & Fail Safe ISL328x/9x Single Tx/Rx RS-485/422 ISL32x7xE Quad Tx/Rx RS-485/422 DG409 DG408 External Micro Controller Clock Single/Dual Channel ±15kV ESD 3V, Dual Protocol (RS-232/RS-485) 40V Supply, Low RON, Low Charge Injection, Wide Input Voltage Range 16:1 SE or 8:1 Diff Options 40V Supply, 70V Over Voltage Protection, Wide Input Voltage Range 16:1 SE, 8:1 Diff or 8:1 SE, 4:1 Diff, Options ISL22316, ISL22326, ISL22346 128 Tap, 125°C Non Volatile, Low Noise, Low Power, I2C Interface, Shutdown ISL96017 128 Tap, Non Volatile, I2C , DCP with 16k bits User Memory, Small Package ISL22317 128 Tap, 1% Accurate Non Volatile, I2C Interface DCP ISL95811 256 Tap, Non Volatile, Low Power, I2C Interface DCP with 5 Bytes of User Memory ISL22313, ISL22323, ISL22343 256 Tap, Dual Supply, Non Volatile, Low Power, I2C Interface ISL22414, ISL22424, ISL22444 256 Tap, Dual Supply, Non Volatile, Low Power, SPI Interface ISL12020M, ISL12022M ISL12057, ISL12058, ISL12059 18 | www.intersil.com/industrial_process_control ±15kV ESD 5V, Dual Protocol (RS-232/RS-485) HI-506, HI-507 HI-508, HI509 ISL12022, ISL12023 RTC Low Power, Low Offset, High CMRR, Enable Pin Wide Input Common Mode Range, Rail to Rail Input and Output ISL21009 ISL3330/1/2/3 Switch/Mux 5V Low Cost 5MHz CMOS OPA ISL21090 ISL81387, ISL41387 Direct Sensor Input to AFE Between Input Amp and ADC Between Output Module DAC and Actuator Driver 40V, Low Power, Single Supply, RRO OPA ISL28118/218 ISL28114, ISL28124, ISL28414 Instrumentation Amps 40V, Ultra Low Noise, Low VOS & Drift ISL28117, ISL28217, ISL28417 ISL28108/208/408 Op Amps Key Features / Advantages 2:1 RTC + Temp Sensor, Many Control Functions 3:1 RTC + Temp Sensor + Crystal, 5ppm Temp Accuracy 1.8V - 3.6V, Low Power, Low Cost Basic RTC INTERSIL SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS Where Used Switching Controllers High Current Distributed Rail Processor/FPGA Power Isolated Controllers Isolated Power Conversion Part Numbers ISL8107, ISL8105A, ISL8118, ISL6525 Switching Regulators Single Output Boost Regulators Multi Output Regulators, Interleaved Output Voltages ISL6840-ISL6845 1.5% Precision Error Amp, Fast Peak Current Sensing ISL6721-23 ISL8013A/14A, ISL8022 Power Monitors Monitoring Voltage Rails Power Sequencers Sequencing Voltage Rails On/Off Wide VIN Regulators Single and Dual High Current Highly Configurable Regulators Low IQ High Frequency Regulator ISL97701 Boost Regulator with Integrated Schottky and Input Disconnect Switch ISL98012 Wide Input Voltage, Adjustable Frequency Boost Regulator ISL97516 600kHz/1.2MHz PWM Step-Up Regulator ISL97519 1% Output Accuracy PWM Step-Up Regulator with 1.294V Reference ISL97519A 1% Output Accuracy PWM Step-Up Regulator with 1.24V Reference ISL80101/2/3 LDO Fast Transient Response, Integrated Soft-start, OV, OI, UV Protection ISL9103/4 ISL97656 Low Noise Point of Load Regulation Easy to Use Controllers, Input Voltage Range up to 75V ISL8120, ISL9440 ISL8500, ISL8501, ISL85033 Point of Load Regulation Key Features / Advantages High Current PWM Step-Up Regulator with 1.24V Reference High Performance 1A/2A/3A LDO ISL6719, ISL6720A High Input Voltage Up to 100V ISL9003A/ISL9000A Single and Dual 150mA Low Noise with Low IQ, High PSRR ISL78302, ISL78307 Low Power Linear Regulator for Automotive Applications ICL7660, ICL7660A, ICL7660S Charge Pumps (can be used as +ve to -ve voltage converter) ISL88002, ISL88031 Ultra Low Power Voltage Supervisor, Single to Quad Monitors ISL6132 ISL6123-28 Dual Output Control, 2 UV, 2 OV Monitors Quad Supply Sequencing www.intersil.com/industrial_process_control | 19 Design Resources iSIM Advanced design tool for creating complex solutions in 4 easy steps. www.intersil.com/isim 1 2 Design Requirements Interview Simply enter your design requirements, such as input and output voltage and current etc. 3 iSim automatically calculates optimum loop compensation and calculates appropriate values for resistors and capacitors. 4 Design Verification by Remote Simulation Your design is displayed in an Online Schematic, which allows you to test your application in a virtual test bed. iSim allows AC, transient analysis. 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