SNOSC63B February   2012  – December 2014 LMP8646

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical 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: 2.7 V
    6. 6.6 Electrical Characteristics: 5 V
    7. 6.7 Electrical Characteristics: 12 V
    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 Theory of Operation
        1. 7.3.1.1 Maximum Output Voltage, VOUT_MAX
          1. 7.3.1.1.1 Case 1: −2 V < VCM < 1.8 V, and VS > 2.7 V
          2. 7.3.1.1.2 Case 2: 1.8 V < VCM < VS, and VS > 3.3 V
          3. 7.3.1.1.3 Case 3: VCM > VS, and VS > 2.7 V
    4. 7.4 Device Functional Modes
      1. 7.4.1 Output Accuracy
      2. 7.4.2 Selection of the Sense Resistor, RSENSE
        1. 7.4.2.1 RSENSE Consideration for System Error
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Application #1: Current Limiter With a Capacitive Load
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Application #2: Current Limiter With a Resistive Load
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
      3. 8.2.3 Application #3: Current Limiter With a Low-Dropout Regulator and Resistive Load
        1. 8.2.3.1 Design Requirements
        2. 8.2.3.2 Detailed Design Procedure
        3. 8.2.3.3 Application Curve
  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 Trademarks
    2. 11.2 Electrostatic Discharge Caution
    3. 11.3 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: 2.7 V

Unless otherwise specified, all limits ensured for at TA = 25°C, VS= (V+ – V-) = (2.7 V - 0 V) = 2.7 V, −2 V < VCM< 76 V, RG= 25 kΩ, RL = 10 kΩ.(3)
PARAMETER TEST CONDITIONS MIN(5) TYP(4) MAX(5) UNIT
VOFFSET Input Offset Voltage VCM = 2.1 V –1 1 mV
VCM = 2.1 V, –40°C ≤ TJ ≤ 125°C –1.7 1.7
TCVOS Input Offset Voltage Drift(6)(8) VCM = 2.1 V 7 μV/°C
IB Input Bias Current(9) VCM = 2.1 V 12 20 μA
eni Input Voltage Noise(8) f > 10 kHz, RG = 5 kΩ 120 nV/√Hz
VSENSE Max Input Sense Voltage(8) VCM = 12 V, RG = 5 kΩ 600 mV
Gain AV Adjustable Gain Setting(8) VCM = 12 V 1 100 V/V
Gm Transconductance = 1/RIN VCM = 2.1 V 200 µA/V
Accuracy VCM = 2.1 V –2% 2%
VCM = 2.1 V, –40°C ≤ TJ ≤ 125°C –3.4% 3.4%
Gm drift(8) −40°C to 125°C, VCM= 2.1 V 140 ppm /°C
PSRR Power Supply Rejection Ratio VCM = 2.1 V, 2.7 V < V+< 12 V 85 dB
CMRR Common-Mode Rejection Ratio 2.1 V < VCM< 76 V 95 dB
–2 V <VCM < 2.1 V 55
SR Slew Rate(7)(8) VCM = 5 V, CG = 4 pF, VSENSE from 25 mV
to 175 mV, CL = 30 pF, RL = 1MΩ		 0.5 V/µs
IS Supply Current VCM = 2.1 V 380 610 uA
VCM = 2.1 V, –40°C ≤ TJ ≤ 125°C 807
VCM = –2 V 2000 2500
VCM = –2 V, –40°C ≤ TJ ≤ 125°C 2700
VOUT Maximum Output Voltage VCM = 2.1 V, RG = 500 kΩ 1.1 V
Minimum Output Voltage VCM = 2.1 V 20 mV
Maximum Output Voltage VS = VCM = 3.3 V, RG = 500 kΩ 1.6 V
Minimum Output Voltage VS = VCM = 3.3 V, RG = 500 kΩ 22 mV
IOUT Output current(8) Sourcing, VOUT= 600 mV, RG = 150 kΩ 5 mA
CLOAD Max Output Capacitance Load(8) 30 pF