STMicroelectronics TSB572 and TSB611 op amps
STMicroelectronics has introduced two 36 V op amps that deliver enhanced performance and ruggedness in automotive and industrial applications. The op amps feature a wide supply-voltage range, stability in challenging operating conditions and tolerance of electrostatic discharge up to 4 kV (HBM).
The TSB572 and TSB611 single op amps are produced using ST’s 40 V-ready BiCMOS semiconductor process. The technology delivers good GBW/Icc efficiency, resulting in five times lower supply current in relation to performance compared with standard op amps. Low input-offset voltages with a temperature drift below 6 µV/°C simplify system design, eliminate any need for trimming or calibration and ensure consistent performance over the temperature range of -40 to 125°C.
The TSB572, with rail-to-rail inputs and output, has 2.5 MHz GBW and 1.5 mV maximum input-offset voltage. The op amp is stable with capacitive loads and highly resistant to phase reversal. Its broad supply-voltage range, from 4 to 36 V, allows reliance on specified parameters with a wide variety of power supplies.
The TSB611 has 560 kHz GBW and can operate from a supply voltage as low as 2.7 V. It is a unity-gain-stable device and has low input-offset voltage of 1 mV as well as a frugal operating current of 125 µA (max) at 36 V.
Compact package options make the op amps suitable for use where space is tight, such as in automotive audio systems and electronic control units.
Phone: 02 9158 7200
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