Released：2021-10-25 16:00:44
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The CBM8628/CBM8629 exhibits extremely low input offset characteristics, with an offset voltage as low as 1μV, low noise of 0.5μV peak-to-peak (0Hz to 10Hz), and an ultra-low input offset voltage drift of less than 0.005μV/°C. These features make them well-suited for precision circuit applications. They support single supply operation from 2.7V to 5V (±1.35V to ±2.5V dual supplies).
The CBM8628/CBM8629 showcases exceptionally low input offset attributes, characterized by an offset voltage as minuscule as 1μV, a low noise level of 0.5μV peak-to-peak spanning the frequency range from 0Hz to 10Hz, and an incredibly low input offset voltage drift of less than 0.005μV per degree Celsius. Owing to these traits, they are eminently suitable for deployment in precision circuitry applications. The devices accommodate single power supply operation within the voltage range of 2.7V to 5V, or alternatively, dual supplies ranging from ±1.35V to ±2.5V.
CBM8628/CBM8629 Applications
Barcode scanners are widely utilized in both everyday life and medical domains. Presented below is a typical application schematic diagram of the CBM8628/CBM8629 in the design of a barcode scanner:
The CBM8628/CBM8629 amplifies the electrical signal transmitted by the photodetector, with their low noise and wide bandwidth characteristics ensuring that the analog signal is input to the ADC chip with minimal distortion for conversion processing.
CBM8628/CBM8629 Typical Features
l Low Offset Voltage: 1uV
l Lowest auto-zero amplifier noise
l Input offset drift: 0.002 μV/°C
l 5 V single-supply operation
l High gain, CMRR, and PSRR: 130 dB
l low input bias current: 100 pA maximum
l Low supply current: 1.0 mA
l Overload recovery time: 50 μs
l Rail-to-rail input and output swing
CBM8628/CBM8629 Product Highlights
l The typical input offset voltage is 1μV, with an input offset voltage temperature drift of 0.002μV/℃, making this device widely applicable in the field of precision instruments and meters.
l The rail-to-rail input/output characteristic broadens the application scope of the product.
l The chip remains operational within a temperature range of -40℃ to +125℃, demonstrating a certain level of product reliability.
CBM8628/CBM8629 Typical Electrical Characteristics Diagram
CBM8628/CBM8629 Graphs of Several Key Parameter Characteristics as follows:
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