SBOS872A May   2018  – June 2018 OPA521

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      OPA521 Block Diagram
  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 Electrical Characteristics: Digital
    7. 6.7 Electrical Characteristics: Power Supply
    8. 6.8 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 IQSET Pin
      2. 7.3.2 EN Pin
      3. 7.3.3 ILIM Pin Current Limiting
      4. 7.3.4 IFLAG and TFLAG Pins
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Interfacing the OPA521 to the AC Mains
          1. 8.2.2.1.1 Low-Voltage Capacitor
          2. 8.2.2.1.2 High-Voltage Capacitor
          3. 8.2.2.1.3 Inductor
          4. 8.2.2.1.4 Line Coupling Transformer
        2. 8.2.2.2 Circuit Protection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Thermal Considerations
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Community Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 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

At TCASE = 25°C, V+ = 15 V, IN+ = (V+) / 2, RLOAD = 50 Ω unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
NOISE
Integrated output noise CEN-A 35 kHz to 95 kHz 45 µVRMS
CEN-B 95 kHz to 125 kHz 32 µVRMS
CEN-C 125 kHz to 140 kHz 23 µVRMS
CEN-D 140 kHz to 148 kHz 16.5 µVRMS
ARIB STD-T84 35 kHz to 420 kHz 114 µVRMS
FCC-LOW 35 kHz to 125 kHz 55 µVRMS
G3-FCC 150 kHz to 490 kHz 107 µVRMS
INPUT
Input voltage range, IN- For linear operation, +IN = V+/2 (GND + 0.4)/7 (V+ – 0.4)/7 V
Input impedance 18 kΩ
FREQUENCY RESPONSE
BW Bandwidth ILOAD = 0 mA 3.82 MHz
SR Slew rate V+ = 24 V, VOUT = 20-V step 75 V/µs
Full-power bandwidth V+ = 24 V, VOUT = 15 VPP 800 kHz
PSRR Power-supply rejection ratio RTI, DC 80 94 dB
RTI, DC to f = 50 kHz See Typical Curves
OUTPUT
VO Voltage output swing From V+ IO = 200-mA sourcing, 1-ms pulse 0.5 V
IO = 1.5-A sourcing, 1-ms pulse 2.25 V
From GND IO = 200 mA sinking, 1-ms pulse 0.5 V
IO = 1.5-A sinking, 1-ms pulse 1.5 V
Max continuous current, DC ILIM (pin 12) connected to ground See Recommended Operating Conditions A
Output resistance IO = 1.9 A, f = 500 kHz 0.1 Ω
Disabled output impedance f = 100 kHz 145 || 125 kΩ || pF
Max output current Resistor-selectable ILIM (pin 12) connected to ground 2.5 A
GAIN
G Nominal gain VOUT/VIN –7 V/V
GE Gain error TJ = -40°C to +125°C –2% 0.1% 2%
Gain error drift TJ = -40°C to +125°C ±5 ppm/°C
THERMAL SHUTDOWN
Junction temperature at shutdown 140 °C
Hysteresis 10 °C
Return to normal operation 130 °C