ZHCSM80G October   2020  – September 2023 REF70

PRODMIX  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 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  REF7012 Electrical Characteristics
    6. 7.6  REF7025 Electrical Characteristics
    7. 7.7  REF7030 Electrical Characteristics
    8. 7.8  REF7033 Electrical Characteristics
    9. 7.9  REF7040 Electrical Characteristics
    10. 7.10 REF7050 Electrical Characteristics
    11. 7.11 Typical Characteristics
  9. 8 Parameter Measurement Information
    1. 8.1 Solder Heat Shift
    2. 8.2 Long-Term Stability
    3. 8.3 Thermal Hysteresis
    4. 8.4 Noise Performance
      1. 8.4.1 1/f Noise
      2. 8.4.2 Broadband Noise
    5. 8.5 Temperature Drift
    6. 8.6 Power Dissipation
  10. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 EN Pin
    4. 9.4 Device Functional Modes
      1. 9.4.1 Basic Connections
      2. 9.4.2 Negative Reference Voltage
  11. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Typical Application: Basic Voltage Reference Connection
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Input and Output Capacitors
            1. 10.2.1.2.1.1 Application Curve
          2. 10.2.1.2.2 Force and Sense Connection
      2. 10.2.2 Typical Application: DAC Force and Sense Reference Drive Circuit
        1. 10.2.2.1 Design Requirements
    3. 10.3 Power Supply Recommendation
    4. 10.4 Layout
      1. 10.4.1 Layout Guidelines
      2. 10.4.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  13. 12Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.5 REF7012 Electrical Characteristics

Specifications are tested at TA = 25°C, IL = 0 mA, CIN = 0.1 µF, COUT = 10 µF, VIN = 3 V, OUTS connected to OUTF, unless otherwise noted
PARAMETER TEST CONDITION MIN TYP MAX UNIT
ACCURACY AND DRIFT
Output voltage accuracy TA = 25°C –0.025 0.025 %
Output voltage accuracy TA = 25°C; DGK package –0.05 0.05 %
Output voltage temperature coefficient –40°C ≤ TA ≤ 125°C 2 ppm/℃
Output voltage temperature coefficient –40°C ≤ TA ≤ 85°C; DGK package 2 ppm/℃
Output voltage temperature coefficient –40°C ≤ TA ≤ 125°C; DGK package 4.2 ppm/℃
LINE AND LOAD REGULATION
ΔVO / ΔVIN Line regulation 2.75 V ≤ VIN ≤ 18 V 4 ppm/V
2.75 V ≤ VIN ≤ 18 V, –40°C ≤ TA ≤ 125°C 30
ΔVO / ΔIL Load regulation IL = 0 mA to 10mA 5 ppm/mA
IL = 0 mA to 10mA, –40°C ≤ TA ≤ 125°C 15
IL = 0 mA to –10mA 15
IL = 0 mA to –10mA, –40°C ≤ TA ≤ 125°C 30
NOISE
enp-p Low frequency noise ƒ = 0.1 Hz to 10 Hz 0.25 ppmp-p
en Output voltage noise ƒ = 10 Hz to 1 kHz 0.35 ppmrms
HYSTERESIS AND LONG-TERM STABILITY

Long-term stability

 0 to 250h at 35°C –FKH package 15 ppm
0 to 1000h at 35°C – FKH package 35
Long-term stability 0 to 250h at 35°C – DGK package 27 ppm
0 to 1000h at 35°C – DGK package 37
Output voltage hysteresis (cycle 1) 25°C, –40°C, 125°C, 25°C – FKH package 18 ppm
25°C, –40°C, 85°C, 25°C – FKH package 11
25°C, 0°C, 70°C, 25°C – FKH package 11
Output voltage hysteresis (cycle 1) 25°C, –40°C, 125°C, 25°C – DGK package 410 ppm
25°C, –40°C, 85°C, 25°C – DGK package 35
25°C, 0°C, 70°C, 25°C – DGK package 33
TURN ON TIME
tON Turn-on time 0.1% settling, COUT = 1µF 0.5 ms
CAPACITIVE LOAD
CIN Stable input capacitor range –40℃ ≤ TA ≤ 125℃ 0.1 µF
COUT Stable output capacitor range (1)  –40℃ ≤ TA ≤ 125℃ 1 100 µF
POWER SUPPLY
VIN Input voltage 2.75 18 V
IQ Quiescent current TA = 25°C Active mode 4 6.5 mA
–40°C ≤ TA ≤ 125°C 7.5 mA
TA = 25°C Shutdown mode 5 10 uA
–40°C ≤ TA ≤ 125°C 12 uA
VEN Enable pin voltage Active mode (EN=1) 1.6 V
Shutdown mode (EN=0) 0.5 V
IEN Enable pin current VIN = VEN = 18V 3.2 4 uA
VIN = VEN = 18V, –40°C ≤ TA ≤ 125°C 5 uA
ISC Short circuit current VOUT = 0V 30 mA
(1) ESR for the capacitor can range from 1 mΩ to 400 mΩ