Texas Instruments OPA2837
OPA2837 is available in an 8-pin VSSOP package and a 10-pin WQFN package. The OPAx837 is characterized for operation over the a wide temperature range of –40°C to +125°C. Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design OPA837, OPA2837 SBOS673D – SEPTEMBER 2017 – REVISED DECEMBER 2018 OPAx837 Low-Power, Precision, 105-MHz, Voltage-Feedback Op Amp 1 Features •1 Bandwidth: 105 MHz (AV = 1 V/V) • Very Low (Trimmed)...FEATURES
●1 Bandwidth: 105 MHz (AV = 1 V/V)● Very Low (Trimmed) Supply Current: 600 µA
● Gain Bandwidth Product: 50 MHz
● Slew Rate: 105 V/µs
● Negative Rail Input, Rail-to-Rail Output
● Single-Supply Operating Range: 2.7 V to 5.4 V
● 25°C Input Offset: ±130 µV (Max)
● Input Offset Voltage Drift (DCK Package): < ±1.6 µV/°C (Maximum)
● Input Voltage Noise: 4.7 nV/√Hz (> 100 Hz)
● HD2: –120 dBc at 2 VPP, 100 kHz
● HD3: –145 dBc at 2 VPP, 100 kHz
● Settling Time: 35 ns, 0.5-V Step to 0.1%
● 5-µA Shutdown Current With Fast Recovery From Shutdown for Power Scaling
APPLICATIONS
2APPLICATIONS
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● Low-Side Current Sensing Low-Power, Low-Noise, Precision, Single-Ended SAR ADC Driver With True Ground Input and Output Range + 5.0 V REF5040 4.096 V +VCC 0V 0 V 3.8 V Gain = 1.05 V/V + PD OPA837 ± ±VCC 499 Ÿ...