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INA188 – Industry’s first zero-drift 36V INA 36V | 25µV VOS; 80nV/˚C Drift | RRO Instrumentation Amplifier Benefits Features • High DC Precision − Offset Voltage: 65µV(max) | 25µV (typ) − Offset Voltage Drift: 0.08µV/°C (typ) − Low noise: 0.25µV (0.1-10Hz) − Gain error: 0.02% • Output / Supply − 4V-36V Supply − Output swing: 250mV from the rail − Capacitive load drive: 1nF • Fast Response − Bandwidth: 600kHz (G=1) − Settling to 0.01% at 4V Step: 60µs − Low Quiescent Current: 1.2mA (max) • Superior Precision: Industry-leading offset drift provides pinpoint precision, improving accuracy for applications such as Test & Measurement, medical and industrial process control. • Best noise suppression: No 1/f corner with low DCnoise enables precise measurements at low frequencies • High voltage ensures signal integrity: Up to 36-V power supply helps maintain signal integrity over the full extended temperature range by allowing larger gains than lower-voltage instrumentation amplifiers Applications • • • • • Industrial Automation Test and Measurement Medical Instrumentation Data acquisition systems Precision Weigh Scales (Released / Sampling / Preview) INA188 (SO-8, DFN-8) TIPD195 Instrumentation Amps Supply Voltage ≥ 5.5 V INA116 1 1,000 1 500 INA111 1 Input Offset (μV) INA121 250 INA110 INA125 1 1 2 1 2 INA128 INA126 50 INA826 INA114 1 INA118 INA827 1 1 INA131 INA166 1 INA103 1 INA163 1 1 1 INA217 1 1 2 1 INA129 1 INA141 25 INA101 INA188 10 1 1 50 100 200 500 750 1,000 Bandwidth (kHz | G = 100) 1 Existing 2 Channel Options Preview New INA188 Competitive Analysis INA188 AD8221A AD620B AD8421 AD622 LT1167* 4.0 to 36 4.6 to 36 4.6 to 36 5 to 36V 5.2 to 36V 4.6 to 30 Quiescent Current 1.3mA 1mA 1.3mA 2.3mA 1.3mA 1.3mA Input Offset Voltage 25µV 60µV 50µV 60µV 125µV 40µV 0.15µV/C 0.9µV/C 0.6µV/C 0.4µV/C 1µV/C 0.3µV/C Input Bias Current 1.4nA 1.5nA 1nA 2nA 2nA 350pA CMRR, G=1V/V 90dB 90dB 80dB 86dB 80dB 90dB 0.25µVpp 0.25µVpp 0.28µVpp 0.07µVpp 0.28µVpp 2µVpp 12nV/√Hz 8nV/√Hz 9nV/√Hz 3.2nV/√Hz 100nV/√Hz 12nV/√Hz Supply Voltage Range Offset Voltage Drift (max) Noise 0.1 to 10Hz Noise 1kHz 25µs 13µs 15µs 0.8µs 15µs 14µs (0.01%) AUP(1k) $1.85 $2.00 $3-5.00 $2.35 $2.60 $3.76 Package 5x6 SOIC 5x6 SOIC 5x6 SOIC 3x5 MSOP 3x5 MSOP 5x6 SOIC 4x4 DFN 3x5 MSOP 10x8 DIP-8 5x6 SOIC 5x6 SOIC 10x8 DIP-8 Settling T. to 0.001% 2nd Best Best “TI Proprietary Information - Strictly Private” or similar placed here if applicable 3 INA188 – Industry’s first zero-drift 36V INA 36V | 25µV VOS; 80nV/˚C Drift | RRO Instrumentation Amplifier Features • Zero Drift, Super Precision ─ Typically 25uV of input offset voltage and 0.15uV/C with a high input impedance to provide superb precision and enhance system accuracy • ─ Discovery Questions ─ • ─ Pricing & Availability Low Noise The INA188 has a flat band noise of 12nV/rtH with virtually no 1/f. This makes attractive for slow moving signals such weigh scales and medical instrumentation Integrated EMI filters help reject RF injected signals. This is crucial in today’s world as many devices are often connected at the same time and relayed back to a central unit Output Robustness Capable of driving 1nF of capacitive loads without any compensation, the INA188 is suitable for remote sensing applications where often long cables (capacitance) are used INA188 – Industry’s first zero-drift 36V INA 36V | 25µV VOS; 80nV/˚C Drift | RRO Instrumentation Amplifier Do you need a differential input? Features What sort of DC precision (Vos, drift, bias) requirements do you have? What type of loads are you driving? Discovery Questions Pricing & Availability What is the frequency range of interest? Do you need an adjustable gain INA (instrumentation amplifier)? INA188 – Industry’s first zero-drift 36V INA 36V | 25µV VOS; 80nV/˚C Drift | RRO Instrumentation Amplifier • Pricing 1Ku Features – $1.85 • Availability Discovery Questions – Product Folder: Now – Samples: Now – Datasheet: Now Pricing & Availability – Reference Designs: TIPD195 Success Stories: INA188 Industrial Automation Where We Won Who: Industrial Automation Customer What: INA188 Where: Analog Input Module Volume: 100ku/yr Why We Won The chopper stabilized INA188 provides excellent DC offset and drift specifications. This increases accuracy of DC measurements from I/O modules especially on most sensitive ranges. INA188 Input Offset Histogram (offset in µV) Call to Action Potential Markets and Applications Temperature measurement High voltage (36V) Medical Instrumentation Example Applications Example Applications Example Applications • Test and measurement • • • Medical instrumentation • Industrial weigh scales Key Differentiations Higher voltage with high input impedance Maintains a high SNR Temperature control and measurement • Pressure sensing • Automatic valve control Key Differentiations Integrated EMI filters Help reject noise Low gain error helps maintain system accuracy ECG Electrocardiogram, Patient Monitoring • Optimized for low 1/f noise and low current noise Key Differentiations Low current noise maintains low noise floor in the presence of high impedance sensors