SNAS491B February   2010  – February 2018 LM48580

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: VDD = 3.6 V
    6. 6.6 Typical Performance Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Class H Operation
      2. 8.3.2 Properties of Piezoelectric Elements
      3. 8.3.3 Differential Amplifier Explanation
      4. 8.3.4 Thermal Shutdown
      5. 8.3.5 Gain Setting
    4. 8.4 Device Functional Modes
      1. 8.4.1 Shutdown Function
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Proper Selection of External Components
          1. 9.2.1.1.1 Boost Converter Capacitor Selection
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Boost Converter Output Capacitor Selection
          1. 9.2.2.1.1 Inductor Selection
          2. 9.2.2.1.2 Diode Selection
        2. 9.2.2.2 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
        1. 12.1.1.1 Third-Party Products Disclaimer
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

6.5 Electrical Characteristics: VDD = 3.6 V(1)

The following specifications apply for RL = 6 μF + 10Ω, CBST = 1 μF, CIN = 0.47 μF, AV = 24 dB unless otherwise specified. Limits apply for TA = 25°C.
PARAMETER TEST CONDITIONSMin (3)Typ (2)Max (3)Unit
VDD Supply Voltage Range 2.5 5.5 V
IDD Quiescent Power Supply Current,
VIN = 0V, RL = ∞		 VDD = 3.6V 2.7 4 mA
VDD = 3V 3 mA
PD Power Consumption
VOUT = 25P-P, f = 200 Hz 		VDD = 3.6V 800 mW
VDD = 3V 830 mW
ISD Shutdown Current Shutdown Enabled 0.5 2 µA
TWU Wake-up Time From Shutdown 1 1.4 1.6 ms
VOS Differential Output Offset Voltage VDD = 3.6 V 63 360 mV
AV Gain GAIN = FLOAT 17.5 18 18.5 dB
GAIN = GND 23.5 24 24.5 dB
GAIN = VDD 29.5 30 30.5 dB
RIN Input Resistance 46 52 58 kΩ
RIN Gain Input Resistance to GND 575 kΩ
to VDD 131 kΩ
VIN Maximum Input Voltage Range AV = 18dB 3 VP-P
VOUT Output Voltage
f = 200 Hz, THD+N = 1%		 VDD = 3.6 V 25 30.5 VP-P
VDD = 3 V 30.5 VP-P
Output Voltage
f = 2 kHz, THD+N = 5% 		VDD = 3.6 V 11 VP-P
VDD = 3 V 8.5 VP-P
THD+N Total Harmonic Distortion + Noise VOUT = 25VP-P, f = 200Hz 0.16%
PSRR Power Supply Rejection Ratio
VDD = 3.6 V + 200 mVp-p sine, Inputs AC GND 		fRIPPLE = 217 Hz, 75 dB
fRIPPLE = 1 kHz 71 dB
CMRR Common Mode Rejection Ratio
VCM = 200mVP-P sine		 fRIPPLE = 217 Hz 56 dB
fRIPPLE = 1 kHz 55 dB
fSW Boost Converter Switching Frequency 2.1 MHz
ILIMIT Boost Converter Current Limit 1100 mA
VIH Logic High Input Threshold SHDN 1.2 V
VIL Logic Low Input Threshold SHDN 0.45 V
IIN Input Leakage Current SHDN 0.1 1 μA
(1) The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and are not ensured.
(2) Typical values represent most likely parametric norms at TA = +25ºC, and at the Recommended Operation Conditions at the time of product characterization and are not specified.
(3) Datasheet min/max specification limits are specified by design, test, or statistical analysis.