SBFS042 June   2020 AFE3010

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      GFCI Application
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Powering The AFE3010
      2. 7.3.2 Sensing Amplifier
      3. 7.3.3 Noise Filter
      4. 7.3.4 ALARM (LED) Driver
      5. 7.3.5 Phase Detection
      6. 7.3.6 SCR Control
      7. 7.3.7 Self-Test Function
        1. 7.3.7.1 Periodic Self-Test
        2. 7.3.7.2 Continuous Self-Test
    4. 7.4 Device Functional Modes
      1. 7.4.1 Pin Configuration
      2. 7.4.2 ALARM Modes to Drive LED
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Manual Self-Test Using PTT Pin
        1. 8.1.1.1 Successful Self-Test
        2. 8.1.1.2 Unsuccessful Self-Test
      2. 8.1.2 ALARM and RESET Function With SW_OPEN
        1. 8.1.2.1 No Self-Test Fail Event
        2. 8.1.2.2 Self-Test Fail Event
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 What to Do and What Not to Do
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY VOLTAGE AND REFERENCE
VVDD Power Supply Shunt Regulator Voltage 19.5 20 20.5 V
TA = –0 °C to 105 °C 30 60 ppm/°C
IREF Clamping Current at VREF VREF = 0 V 1 1.7 2.5 mA
VREF Reference Voltage 2.42 2.5 2.58 V
TA = –40 °C to 105 °C 80 100 ppm/°C
IQ Quiescent Current Force VDD to 19 V through 50-Ω, Measured VDD to GND 900 1250 µA
Force 19 V to VDD through 50-Ω, Measured VDD to GND, TA = –40 °C to 105 °C 1500 µA
AMPLIFIER
VOS Offset Voltage, RTI –150 150 µV
TA = –40 °C to 105 °C 0.5 µV/°C
Vn_inp Input Voltage Noise 10 nV/√Hz
Iin_inp Input Current Noise 2 pA/√Hz
ZOL Open-loop Transimpedance 7 Gohms
BW Application Bandwidth(1) 6.5 kHz
Vosw_vdd VOUT Swing to VDD No Load 4.8 V
Vosw_gnd VOUT Swing to GND No Load 0.1 V
DIGITAL CONTROL
tgf_resp Ground Fault Response Time Leakage Current = ±5 mA 0.15 s
Leakage Current = ±10 mA 0.085 s
Leakage Current = ±30 mA 0.04 s
Leakage Current > ±50 mA 0.01 s
td1 Debounce Time from 'PTT High to Low Transition' to Self-test Start 80 ms
td2 Debounce Time from 'SW_OPEN High to Low Transition' to SCR Fire (Long Pulse) 130 ms
td3 Debounce Time from 'SW_OPEN Low to High Transition' to ALARM Off 140 ms
td4 SW_OPEN Low Time to Execute Fault Counter RESET without SCR Fire (Short Pulse)  55 ms
SCR DRIVER
IOH High-Level Output Current VO = 1.0 V 2 3 mA
ROUT Output Impedance 550 Ω
ALARM DRIVER
VOH High-Level Output Voltage IOH =-1 mA 3 3.2 V
VOL Low-Level Output Voltage IOL =1 mA 0.25 0.35 V
fLED_AL LED/ Alarm Frequency 3 KHz
FT DRIVER
IOH High-Level Output Current VO = 1.0 V 2 3 mA
ROUT Output Impedance 550 Ω
NG_OUT DRIVER
VOL Low-Level Output Voltage IOL = 4 mA 0.2 0.4 V
VOH High-Level Output Voltage IOH = –0.1 mA VVDD–0.8 VVDD–0.2 V
(1) The typical bandwidth of the current feedback amplifier is measured based off the recommended component values in the Application and Implementation section. This number will vary if the component values change in a particular application.