홈 전력 관리 전압 레퍼런스 직렬 전압 레퍼런스
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전력 관리
전압 레퍼런스
직렬 전압 레퍼런스

REF35-Q1

활성

오토모티브, 650nA 정동작 전류, 15ppm/°C 드리프트, 초저전력 정밀 전압 레퍼런스

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데이터 시트

REF35-Q1

활성
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제품 상세 정보

Rating Automotive VO (V) 1.25, 1.6, 1.8, 2.5, 3, 3.3, 5 Temp coeff (max) (ppm/°C) 15 Initial accuracy (max) (%) 0.05 Features Enable pin, Noise-reduction pin, TRIM/NR pin Iout/Iz (max) (mA) 10 Vin (min) (V) 1.7 Vin (max) (V) 6 Iq (typ) (mA) 0.00065 LFN 0.1 to 10 Hz (typ) (µVPP) 8.2 Operating temperature range (°C) -40 to 125
Rating Automotive VO (V) 1.25, 1.6, 1.8, 2.5, 3, 3.3, 5 Temp coeff (max) (ppm/°C) 15 Initial accuracy (max) (%) 0.05 Features Enable pin, Noise-reduction pin, TRIM/NR pin Iout/Iz (max) (mA) 10 Vin (min) (V) 1.7 Vin (max) (V) 6 Iq (typ) (mA) 0.00065 LFN 0.1 to 10 Hz (typ) (µVPP) 8.2 Operating temperature range (°C) -40 to 125
SOT-23 (DBV) 6 8.12 mm² (2.9 mm × 2.8 mm)
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: −40°C to 125°C ambient operating temperature range
  • Ultra-low quiescent current:
    • 650 nA (typical)
  • Initial accuracy: ±0.05 % (maximum)
  • Temperature coefficient:
    • 15 ppm/°C maximum for −40°C to 125°C
  • Output 1/f noise (0.1 Hz to 10 Hz): 3.3 ppm P-P
  • NR pin to reduce noise
  • EN pin to reduce shutdown current consumption
  • Long-term stability: 30 ppm at 1k hour
  • Specified temperature range: −40°C to +125°C
  • Operating temperature range: −55°C to +125°C
  • Output current: +10 mA, −5 mA
  • Input voltage: V REF + V DO to 6 V
  • Output voltage options:
    • 1.2 V, 1.25 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
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: −40°C to 125°C ambient operating temperature range
  • Ultra-low quiescent current:
    • 650 nA (typical)
  • Initial accuracy: ±0.05 % (maximum)
  • Temperature coefficient:
    • 15 ppm/°C maximum for −40°C to 125°C
  • Output 1/f noise (0.1 Hz to 10 Hz): 3.3 ppm P-P
  • NR pin to reduce noise
  • EN pin to reduce shutdown current consumption
  • Long-term stability: 30 ppm at 1k hour
  • Specified temperature range: −40°C to +125°C
  • Operating temperature range: −55°C to +125°C
  • Output current: +10 mA, −5 mA
  • Input voltage: V REF + V DO to 6 V
  • Output voltage options:
    • 1.2 V, 1.25 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

The REF35-Q1 is a family of nanopower, low-drift, high-precision series reference devices. The REF35-Q1 family features ±0.05 % initial accuracy with typical 650 nA power consumption. The temperature coefficient (15 ppm/ºC) and long-term stability (30 ppm 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 low current applications.

The REF35-Q1 supplies up to 10 mA current with 3.3 ppm p-p noise and 20 ppm/mA load regulation. With this feature set, REF35-Q1 creates a strong low-noise, high accuracy power supply for precision sensors and 12–16b data converters.

The family is fully specified for operation from -40°C to 125°C and is functional over -55°C to 125°C.

The REF35-Q1 is available in wide output voltage variants starting from 1.20 V to 5.0 V. The device is offered in space saving SOT23-6 pin package. Contact the TI sales representative for available voltage options.

The REF35-Q1 is a family of nanopower, low-drift, high-precision series reference devices. The REF35-Q1 family features ±0.05 % initial accuracy with typical 650 nA power consumption. The temperature coefficient (15 ppm/ºC) and long-term stability (30 ppm 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 low current applications.

The REF35-Q1 supplies up to 10 mA current with 3.3 ppm p-p noise and 20 ppm/mA load regulation. With this feature set, REF35-Q1 creates a strong low-noise, high accuracy power supply for precision sensors and 12–16b data converters.

The family is fully specified for operation from -40°C to 125°C and is functional over -55°C to 125°C.

The REF35-Q1 is available in wide output voltage variants starting from 1.20 V to 5.0 V. The device is offered in space saving SOT23-6 pin package. Contact the TI sales representative for available voltage options.
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기술 자료

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* 데이터 시트 REF35-Q1 Ultra Low-Power, High-Precision Voltage Reference datasheet PDF | HTML 2022. 8. 9
애플리케이션 노트 Precision Current Sources and Sinks Using Voltage References (Rev. A) PDF | HTML 2026. 4. 15
기능 안전 정보 REF35-Q1Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2024. 7. 17

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

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.

 

사용 설명서: PDF | HTML
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설계 툴

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

The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
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