REF3433-EP Texas instruments

REF3433-EP

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REF3433-EP

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Описание

The REF34xx-EP device is a low temperature drift (10 ppm/°C), low-power, high-precision CMOS voltage reference, featuring ±0.05% initial accuracy, low operating current with power consumption less than 95 µA. This device also offers very low output noise of 3.8 µVp-p/V, which enables its ability to maintain high signal integrity with high-resolution data converters in noise critical systems. With a small SOT-23 package, REF34xx-EP offers enhanced specifications and pin-to-pin replacement for MAX607x and ADR34xx. The REF34xx-EP family is compatible to most ADC and DAC. Stability and system reliability are further improved by the low output-voltage hysteresis of the device and low long-term output voltage drift. The small size and low operating current of the devices (95 µA) can benefit portable and battery-powered applications. REF34xx-EP is specified for the wide temperature range of –55°C to 125°C. Contact the TI sales representative for additional voltage options.

Initial accuracy: ±0.05% (maximum)
Temperature coefficient: 10 ppm/°C (maximum)
Output current: ±10 mA
Low quiescent current: 95 µA (maximum)
Wide input voltage: 12 V
Output 1/f noise (0.1 Hz to 10 Hz): 3.8 µV_PP/V
Small footprint 6-pin SOT-23 package
Excellent long-term stability 25 ppm/1000 hrs
Supports defense, aerospace, and medical applications:
- Controlled baseline
- One assembly/test site
- One fabrication site
- Available extended (–55°C to 125°C) temperature range
- Extended product life cycle
- Extended product-change notification
- Product traceability

VO (V)	3.3
Initial accuracy (max) (%)	0.05
Temp coeff (max) (ppm/°C)	6
Vin (min) (V)	2.55
Vin (max) (V)	12
Iq (typ) (mA)	0.072
Rating	HiRel Enhanced Product
Features	4-wire output, Enable pin
LFN 0.1 to 10 Hz (typ) (µVPP)	16.5
Iout/Iz (max) (mA)	10
Operating temperature range (°C)	-55 to 125
Shutdown current (ISD) (typ) (µA)	2.5