REF35開發(fā)板套件編程器的評估演示板及套件規(guī)格書PDF中文資料

REF35屬于開發(fā)板套件編程器的評估演示板及套件。由德州儀器制造生產(chǎn)的REF35評估和演示板及套件該系列產(chǎn)品提供了一種方便的方法，在經(jīng)過驗(yàn)證的實(shí)施環(huán)境中評估某些重點(diǎn)器件的性能或特性。評估方法通常有完善的文檔說明，并且視乎具體情況由評估軟件提供支持。產(chǎn)品通常由印刷電路板組成，板上已裝有重點(diǎn)器件以及必要或有用的支持元器件，另外也可能包括其他組件，例如電纜或電源。對于數(shù)量特別多或類別獨(dú)特的器件類別(如 ADC、DAC 和開關(guān)模式電源)，評估平臺可組合為一個單獨(dú)的產(chǎn)品系列。

1 Features

? Ultra-low quiescent current:

– 650 nA (typical)

? Initial accuracy: ±0.05 (maximum)

? Temperature coefficient:

– 12 ppm/°C (maximum for ?40°C to 105°C)

? Output 1/f noise (0.1 Hz to 10 Hz): 3.3 ppmP-P

? NR pin to reduce noise

? EN pin to reduce shutdown current consumption

? Long-term stability: 40 ppm at 1k hour

? Thermal hysteresis: 70 ppm

? Specified temperature range: ?40°C to +105°C

? Operating temperature range: ?55°C to +125°C

? Output current: +10 mA, ?5 mA

? Input voltage: VREF + VDO to 6 V

? Output voltage options:

– 1.024 V, 1.2 V, 1.25 V, 1.6 V, 1.8 V, 2.048 V,

2.5 V, 3.0 V, 3.3 V, 4.096 V, 5.0 V

? Small footprint 6-pin SOT?23 package

? Smallest footprint 4-pin WCSP package

2 Applications

? Flow transmitter

? Blood glucose monitor

? Servo drive control module

? Power quality analyzer

? Fault indicator

? Oscilloscope

? Process analytics

? Optical Module

3 Description

The REF35 is a family of nanopower, low-drift, highprecision

series reference devices. The REF35 family

features ±0.05 initial accuracy with 650 nA typical

power consumption. The temperature coefficient (12

ppm/°C) and long-term stability (40 ppm at 1000

hours) of the device can help improve system stability

and reliability. The low power consumption combined

with high precision specifications are suitable for wide

variety of portable and low current applications.

The REF35 supplies up to 10 mA current with 3.3

ppmp-p noise and 20 ppm/mA load regulation. With

this feature set, REF35 creates a strong low-noise,

high accuracy power supply for precision sensors and

12–16b data converters.

The family is specified for operation from –40°C to

105°C and is functional over –55°C to 125°C. The

wide temperature is suited for industrial applications.

REF35 is available in wide output voltage variants

starting from 1.024 V to 5.0 V. The device is

offered in a space-saving, 6-pin SOT-23 and 4-pin

WCSP package options. Contact your local TI sales

representative for available voltage and package

options.