REF35

활성

650nA 정동작 전류, 12ppm/°C 드리프트, 초저전력 정밀 전압 레퍼런스

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데이터 시트

document-pdfAcrobat REF35 Ultra Low-Power, High-Precision Voltage Reference datasheet (Rev. C) (영어) PDF | HTML

REF35

활성

데이터 시트

지금 주문하기

제품 상세 정보

Rating

Catalog

VO (V)

1.024, 1.2, 1.25, 1.6, 1.7, 1.8, 2.048, 2.5, 3, 3, 3.3, 3.6, 4.096, 5

Temp coeff (max) (ppm/°C)

12

Initial accuracy (max) (%)

0.05

Features

Enable pin, Noise-reduction pin

Iout/Iz (max) (mA)

10

Vin (min) (V)

1.7

Vin (max) (V)

6

Iq (typ) (mA)

0.00065, 0.00068

LFN 0.1 to 10 Hz (typ) (µVPP)

8.2

Operating temperature range (°C)

-40 to 125

Shutdown current (ISD) (typ) (µA)

0.1

Rating

Catalog

VO (V)

1.024, 1.2, 1.25, 1.6, 1.7, 1.8, 2.048, 2.5, 3, 3, 3.3, 3.6, 4.096, 5

Temp coeff (max) (ppm/°C)

12

Initial accuracy (max) (%)

0.05

Features

Enable pin, Noise-reduction pin

Iout/Iz (max) (mA)

10

Vin (min) (V)

1.7

Vin (max) (V)

6

Iq (typ) (mA)

0.00065, 0.00068

LFN 0.1 to 10 Hz (typ) (µVPP)

8.2

Operating temperature range (°C)

-40 to 125

Shutdown current (ISD) (typ) (µA)

0.1

SOT-23 (DBV)

6

8.12 mm² (2.9 mm × 2.8 mm)

DSBGA (YBH)

4

0.64 mm² (0 mm × 0 mm)

Ultra-low quiescent current:
- 650nA (typical)
Initial accuracy: ±0.05% (maximum)
Temperature coefficient (maximum):
- 12ppm/°C (−40°C to 105°C, SOT23 package)
- 10ppm/°C (−40°C to 85°C, WCSP package)
Output 1/f noise (0.1Hz to 10Hz): 3.3ppmP-P
NR pin to reduce noise
EN pin to reduce shutdown current consumption
Long-term stability: 40ppm at 1k hour
Thermal hysteresis: 70ppm
Operating temperature range: −55°C to +125°C
Output current: +10mA, −5mA
Input voltage: VREF + VDO to 6V
Output voltage options:
- 1.024V, 1.2V, 1.25V, 1.6V, 1.8V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, 5.0V
Small footprint 6-pin SOT−23 package
Smallest footprint 4-pin WCSP package

Ultra-low quiescent current:
- 650nA (typical)
Initial accuracy: ±0.05% (maximum)
Temperature coefficient (maximum):
- 12ppm/°C (−40°C to 105°C, SOT23 package)
- 10ppm/°C (−40°C to 85°C, WCSP package)
Output 1/f noise (0.1Hz to 10Hz): 3.3ppmP-P
NR pin to reduce noise
EN pin to reduce shutdown current consumption
Long-term stability: 40ppm at 1k hour
Thermal hysteresis: 70ppm
Operating temperature range: −55°C to +125°C
Output current: +10mA, −5mA
Input voltage: VREF + VDO to 6V
Output voltage options:
- 1.024V, 1.2V, 1.25V, 1.6V, 1.8V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, 5.0V
Small footprint 6-pin SOT−23 package
Smallest footprint 4-pin WCSP package

The REF35 is a family of nanopower, low-drift, high-precision series reference devices. The REF35 family features ±0.05% initial accuracy with 650nA typical power consumption. The temperature coefficient (12ppm/°C) and long-term stability (40ppm at 1000 hours) of the device can help improve system stability and reliability. The low power consumption combined with high precision specifications are designed for a wide variety of portable and low current applications.

The REF35 supplies up to 10mA current with 3.3ppmp-p noise and 20ppm/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 1.024V to 5.0V. 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.

The REF35 is a family of nanopower, low-drift, high-precision series reference devices. The REF35 family features ±0.05% initial accuracy with 650nA typical power consumption. The temperature coefficient (12ppm/°C) and long-term stability (40ppm at 1000 hours) of the device can help improve system stability and reliability. The low power consumption combined with high precision specifications are designed for a wide variety of portable and low current applications.

The REF35 supplies up to 10mA current with 3.3ppmp-p noise and 20ppm/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 1.024V to 5.0V. 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.

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11개 모두 보기

상위 문서	유형	직함	형식 옵션	최신 영어 버전 다운로드	날짜
*	데이터 시트	REF35 Ultra Low-Power, High-Precision Voltage Reference datasheet (Rev. C)	PDF \| HTML		2024. 9. 13
	애플리케이션 노트	Precision Current Sources and Sinks Using Voltage References (Rev. A)	PDF \| HTML		2026. 4. 15
	백서	저잡음 전력 장치로 전력 아키텍처 간소화 (Rev. A)	PDF \| HTML	Download English Version (Rev.A)	2024. 11. 19
	기술 문서	Accurately measure vital signs with low Iq and a small form factor (Rev. B)	PDF \| HTML		2024. 4. 18
	애플리케이션 노트	Voltage Reference Selection and Design Tips For Data Converters (Rev. B)	PDF \| HTML		2024. 1. 9
	백서	고전압 시스템의 전력 변환 간소화	PDF \| HTML	Download English Version	2023. 11. 10
	e북	Tips and tricks for designing with voltage references (Rev. A)			2021. 5. 7
	백서	Simplifying Signal Chain Design for High Performance in Small Systems			2020. 10. 22
	Application brief	Voltage Reference Solutions in Motor Control Drives			2019. 7. 29
	백서	Voltage reference selection basics white paper (Rev. A)			2018. 10. 23
	아날로그 디자인 학술지	Getting the most out of your instrumentation amplifier design			2005. 10. 10

설계 및 개발

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평가 보드

REF35EVM — REF35 평가 모듈

REF35 평가 모듈(EVM)은 REF35 초저 전압 레퍼런스 개발용 플랫폼입니다. REF35는 10ppm/°C(최대) 온도 드리프트를 제공하며, 주로 저전력 데이터 컨버터용 정밀 전압 레퍼런스로 사용됩니다.

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시뮬레이션 모델

REF35102 PSpice Model

SNAM282.ZIP (24 KB) - PSpice 모델

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REF35

650nA 정동작 전류, 12ppm/°C 드리프트, 초저전력 정밀 전압 레퍼런스

REF35

제품 상세 정보

기술 자료

설계 및 개발

REF35EVM — REF35 평가 모듈

ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.

TIDA-010961 — 고해상도, 저지연, 저전력 절대 유도성 각도 인코더 레퍼런스 설계

TIDA-010982 — 필드 트랜스미터 플랫폼, 4mA~20mA 루프 전원 공급 인터페이스 레퍼런스 설계

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