Datasheet TSV7721, TSV7722, TSV7723 (STMicroelectronics)

TSV7721, TSV7722, TSV7723
Datasheet High bandwidth (22 MHz) low offset (200 μV) 5 V op amp
Features
• Gain bandwidth product 22 MHz, unity gain stable • High accuracy input offset voltage: 50 µV typ., 200 µV max. • Low input bias current: 2 pA typ. TSV7721 TSV7722 • Low input voltage noise density: 7 nV/√Hz SOT23 -5 DFN8 2x2 mm • Wide supply voltage range: 1.8 V to 5.5 V • Output rail-to-rail • Input common-mode range includes low rail • Automotive grade and shutdown versions available • Benefits: TSV7722 TSV7723 – High frequency signal conditioning MiniSO8 MiniSO10 – Optimized accuracy for low-side current sensing
Applications
TSV7722 • Low-side current measurement SO8 • Photodiode amplifiers • Automotive current measurement and sensor signal conditioning • Strain gauges signal conditioning
Description
The TSV7721, TSV7722 and TSV7723 are single and dual 22 MHz-bandwidth unity- gain-stable amplifiers. The input offset voltage of 200 µV max. (50 µV typ.) at room
Maturity Package
temperature, optimized for common-mode close to ground makes the TSV772x ideal
status link Channel
for low-side current measurements.
Automotive
The TSV772x can operate from 1.8 V to 5.5 V single supply and it is fully specified on 1 SOT23-5 a load of 47 pF, therefore allowing easy usage as A/D converters input buffer. TSV7721 1 • SOT23-5 The TSV772x series offers rail-to-rail output, excellent speed/power consumption ratio, and 22 MHz gain bandwidth product, while consuming just 1.7 mA at 5 V. 2 DFN8 The devices also feature an ultra-low input bias current that enables connection to 2 MiniSO8 photodiodes and other sensors where current is the key value to be measured. TSV7722 2 SO8 These features make the TSV772x series ideal for high-accuracy, high-bandwidth 2 • MiniSO8 sensor interfaces. 2 • SO8 TSV7723 2 MiniSO10
Related products
Rail-to-rail amplifier with TSV792 higher GBW 50 MHz 20 MHz amplifier with 36 V TSV7192 supply voltage
DS13614
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Rev 1
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January 2021
www.st.com For further information contact your local STMicroelectronics sales office. Document Outline Features Applications Description 1 Pin connections 2 Absolute maximum ratings and operating conditions 3 Electrical characteristics 4 Typical performance characteristics 5 Application information 5.1 Operating voltages 5.2 Input offset voltage drift over the temperature 5.3 Unused channel 5.4 EMI rejection 5.5 Maximum power dissipation 5.6 Capacitive load and stability 5.7 Resistor values for high speed op amp design 5.8 Settling time 5.9 PCB layout recommendations 5.10 Decoupling capacitor 5.11 Macro model 6 Typical applications 6.1 Low-side current sensing 6.2 Photodiode transimpedance amplification 7 Package information 7.1 SOT23-5 package information 7.2 DFN8 2x2 package information 7.3 MiniSO8 package information 7.4 SO-8 package information 7.5 MiniSO10 package information 8 Ordering information Revision history