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IC OPAMP ZER-DRIFT 1CIRC SOT23-5
1 Features
• AEC-Q100 qualified for automotive applications:
– Temperature grade 1: –40°C to +125°C, TA • Functional-Safety Capable
– Documentation available to aid functional safety
system design (OPA388-Q1)
– Documentation available to aid functional safety
system design (OPA2388-Q1: VSSOP)
• Zero drift: ±0.005 µV/°C
• Zero crossover: 140-dB CMRR true RRIO
• Low noise: 7.0 nV√Hz at 1 kHz
• No 1/f noise: 140 nVPP (0.1 Hz to 10 Hz)
• Fast settling: 2 µs (1 V to 0.01%)
• Gain bandwidth: 10 MHz
• Single supply: 2.5 V to 5.5 V
• Dual supply: ±1.25 V to ±2.75 V
• True rail-to-rail input
• EMI and RFI filtered inputs
• Industry-standard packages: VSSOP-8, SOT-23-5
2 Applications
• HEV/EV inverter and motor control
• Battery management system (BMS)
• DC/DC converter
• Onboard (OBC) and wireless charger
3 Description
The OPA388-Q1 and OPA2388-Q1 (OPAx388-Q1) are automotive, low-noise, fast-settling, zero-drift, precision operational amplifiers that provide rail-to-rail input and output operation. Excellent ac performance, combined with only 0.25 µV of offset and 0.005 µV/°C of drift over temperature, make the OPAx388-Q1 a great choice for driving high-resolution, analog-todigital converters (ADCs) with high accuracy. Zerocrossover technology minimizes any offset change over the common-mode range. The combination of low drift and very low 1/f noise allow the OPAx388- Q1 to monitor and detect faulty conditions without compromising signal integrity. These devices are specified over the industrial temperature range of –40°C to +125°C.
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