The MAX6133 high-precision, low-power, low-dropout voltage reference features a low 3ppm/°C (max) temperature coefficient and a low dropout voltage (200mV, max). This series-mode device features bandgap technology for low-noise performance and excellent accuracy. Load regulation specifications are guaranteed for source currents up to 15mA. The laser-trimmed, high-stability thin-film resistors, together with post-package trimming, guarantee an excellent initial accuracy specification (0.04%, max). The MAX6133 is a series voltage reference and consumes only 40µA of supply current (virtually independent of supply voltage). Series-mode references save system power and use minimal external components compared to 2-terminal shunt references.
The MAX6133 is available in 8-pin µMAX and SO packages. The unique blend of tiny packaging and excellent precision performance make these parts ideally suited for portable and communication applications.
Key Features
Applications/Uses
Low Temperature Coefficient
3ppm/°C (max), SO
5ppm/°C (max), µMAX
Tiny 5mm x 3mm µMAX Package
Low 200mV (max) Dropout Voltage
Low 40µA Quiescent Current
±0.04% (max) Initial Accuracy
Low 16µVP-P Noise (0.1Hz to 10Hz) (2.5V Output)
15mA Output Source-Current Capability
Wide 2.7V to 12.6V Supply Voltage
Excellent Line (30µV/V, max) and
Load (0.05mV/mA, max) Regulation
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