JAJSNM7 December   2021 REF35

ADVANCE INFORMATION  

  1. 特長
  2. アプリケーション
  3. 説明
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. Parameter Measurement Information
    1. 8.1 Solder Heat Shift
    2. 8.2 Temperature Coefficient
    3. 8.3 Long-Term Stability
    4. 8.4 Thermal Hysteresis
    5. 8.5 Noise Performance
      1. 8.5.1 Low Frequency (1/f) Noise
      2. 8.5.2 Broadband Noise
    6. 8.6 Power Dissipation
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Supply Voltage
      2. 9.3.2 EN Pin
      3. 9.3.3 NR Pin
    4. 9.4 Device Functional Modes
      1. 9.4.1 Basic Connections
      2. 9.4.2 スタートアップ
      3. 9.4.3 出力過渡動作
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application: Negative Reference Voltage
    3. 10.3 Typical Application: Precision Power Supply and Reference
      1. 10.3.1 Design Requirements
      2. 10.3.2 Detailed Design Procedure
        1. 10.3.2.1 リファレンスの選択
        2. 10.3.2.2 Input and Output Capacitors
        3. 10.3.2.3 Selection of ADC
      3. 10.3.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 サポート・リソース
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

Electrical Characteristics

At VIN = VREF + 0.5 V, VEN = VIN, CREF = 10 µF, CIN = 0.1 µF, IL = 0 mA, minimum and maximum specifications at TA = –40℃ to 125℃, typical specifications TA = 25℃; unless otherwise noted
PARAMETER TEST CONDITION MIN TYP MAX UNIT
ACCURACY AND DRIFT
Output voltage accuracy TA = 25℃ –0.05 0.05 %
Output voltage temperature coefficient –40℃ ≤ TA ≤ 85℃ TBD ppm/℃
–40℃ ≤ TA ≤ 125℃ 10 ppm/℃
LINE AND LOAD REGULATION
ΔVREF/ΔVIN Line regulation VREF < 2.5 V; VIN = VREF + VDO to VINMAX 4 160 ppm/V
VREF ≥ 2.5 V; VIN = VREF + VDO to VINMAX 4 80 ppm/V
ΔVREF/ΔIL Load regulation IL = 0 mA to 10 mA,
VIN = VREF + VDO
Source 20 60 ppm/mA
IL = 0 mA to 5 mA,
VIN = VREF + VDO
Sink 40 150 ppm/mA
POWER SUPPLY
VIN Input voltage (1) VREF + VDO 6 V
IQ Quiescent current Active mode TA = 25℃ 0.68 1 µA
–40℃ ≤ TA ≤ 85℃ 1.3
–40℃ ≤ TA ≤ 125℃ 2.6
Shutdown mode TA = 25℃ 0.05
–40℃ ≤ TA ≤ 125℃ 1.2
VEN Enable pin voltage Active mode (EN = 1 or Float) 0.7 x VIN V
Shutdown mode (EN = 0) 0.3 x VIN
IEN Enable pin current VEN = VIN 0.1 0.3 uA
VDO Dropout voltage I= 5 mA 250 mV
IL = 10 mA 500
ISC Short circuit current, Sourcing VREF = 0 V, TA = 25℃ 30 35 mA
VREF = 0 V 20
Short circuit current, Sinking VREF = VIN V, TA = 25℃ 18 20 mA
VREF = VIN V 14
TURNON TIME
tON Turn-on time (2) 0.1% settling, CREF = 1 µF, VREF = 2.048 V 2 ms
NOISE
en Output voltage noise ƒ = 10 Hz to 1 kHz 32 ppmrms
enp-p Low frequency noise ƒ = 0.1 Hz to 10 Hz, VREF ≥ 2.5 V 8.5 ppmp-p
ƒ = 0.1 Hz to 10 Hz, VREF < 2.5 V 10 ppmp-p
HYSTERESIS AND LONG-TERM STABILITY
Long-term stability 0 to 1000h at 35°C 20 ppm
Output voltage hysteresis 25°C, –40°C, 125°C, 25°C (cycle 1) 20 ppm
STABLE CAPACITANCE RANGE
Input capacitor range 0.1 µF
Output capacitor range (3)  0.1 10 µF
For VREF = 1.024 V to 1.5 V, mimimum VIN = 1.7 V
Scales linearly with VREF.
ESR for the capacitor can range from 10 mΩ to 400 mΩ