High-precision CMOS Voltage Reference LTR33xx with Low Temperature Drift (20ppm/℃ Maximum) and Low Power Consumption (Less Than 500μA)
The LTR33 series devices are low temperature drift (20ppm/℃ maximum), low-power, high-precision CMOS voltage reference, featuring ±0.1% initial accuracy, and low operating current with a power consumption of less than 500μA. This device also offers a very low output noise of 15μVPP/V, which enables its ability to maintain high signal integrity with high-resolution data converters in noise critical systems.
Packaged in the same SOT23-3 package, LTR33xx offers enhanced specifications and pin-to-pin replacement for REF33xx and LM4132. Stability and system reliability are further improved by the low output-voltage hysteresis of the device and low long-term output voltage drift. LTR33xx is specified for the wide temperature range of −40 to +125℃.
Features and Benefits
Voltage options: 1.25V, 1.5V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V
Initial accuracy: ±0.1% (maximum)
Low temperature coefficient: 20ppm/℃ (maximum)
Output 1/f noise at 0.1 to 10Hz: 15μVPP/V
Supply voltage: 2.7 to 5.5V
Power consumption: <500μA
Startup time: <400μs
Operating temperature: −40 to 125℃
Output Current: ±5mA
Applications
Data acquisition (DAQ)
PLC analog I/O modules
Field transmitters
Motor drive control module
Battery test equipment
LCR meters
Limiting Value
Recommended Operating Conditions
Electrical Characteristics
Ordering Information
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