LM4667ITL National Semiconductor, LM4667ITL Datasheet
LM4667ITL
Specifications of LM4667ITL
Available stocks
Related parts for LM4667ITL
LM4667ITL Summary of contents
Page 1
... V , GND, or across the outputs. DD Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit Boomer ® registered trademark of National Semiconductor Corporation. © 2004 National Semiconductor Corporation Key Specifications j Efficiency at 3V, 100mW into 8Ω transducer 74% (typ) j Efficiency at 3V, 450mW into 8Ω transducer 84% (typ) j Efficiency at 5V, 1W into 8Ω ...
Page 2
... Connection Diagrams 9 Bump micro SMD Package Top View Order Number LM4667ITL, LM4667ITLX See NS Package Number TLA09AAA Mini Small Outline (MSOP) Package Top View Order Number LM4667MM See NS Package Number MUB10A www.national.com 20040536 200405I4 2 micro SMD Marking 200405C6 Top View X — Date Code T — ...
Page 3
... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (Note1) Storage Temperature + 0.3V ≥ V ≥ GND - 0.3V Voltage at Any Input Pin V DD Power Dissipation (Note 3) ESD Susceptibility (Note 4) ...
Page 4
Electrical Characteristics V The following specifications apply for V 25˚C. Symbol Parameter I Quiescent Power Supply Current DD I Shutdown Current SD V Shutdown Voltage Input High SDIH V Shutdown Voltage Input Low SDIL V Gain Select Input High GSIH ...
Page 5
Typical Performance Characteristics THD+N vs Frequency 15µH + 8Ω + 15µ 100mW, 30kHz BW OUT THD+N vs Frequency 15µH + 4Ω + 15µ ...
Page 6
Typical Performance Characteristics CMRR vs Frequency 15µH + 8Ω + 15µ 300mV Sine Wave, 30kHz BW CM RMS PSRR vs Frequency 15µH + 8Ω + 15µH ...
Page 7
Typical Performance Characteristics Efficiency and Power Dissipation vs Output Power 15µH + 4Ω + 15µ 1kHz, THD DD L Gain Select Threshold Output Power vs Supply Voltage R = ...
Page 8
Typical Performance Characteristics Output Power vs Supply Voltage R = 15µH + 16Ω + 15µ 1kHz L Shutdown Threshold Supply Current vs Shutdown Voltage R = 15µH + 8Ω + 15µH L www.national.com (Continued) ...
Page 9
Application Information GENERAL AMPLIFIER FUNCTION The output signals generated by the LM4667 consist of two, BTL connected, output signals that pulse momentarily from near ground potential The two outputs can pulse DD independently with the exception that ...
Page 10
Application Information the shutdown voltage has crossed the threshold. To mini- mize the supply current while in the shutdown state, the Shutdown pin should be driven to GND or left floating. If the Shutdown pin is not driven to GND, ...
Page 11
Application Information SINGLE-ENDED CIRCUIT CONFIGURATIONS FIGURE 2. Single-Ended Input with low gain selection configuration FIGURE 3. Single-Ended Input with high gain selection configuration (Continued) 11 200405C8 200405C9 www.national.com ...
Page 12
Application Information REFERENCE DESIGN BOARD SCHEMATIC In addition to the minimal parts required for the application circuit, a measurement filter is provided on the evaluation circuit board so that conventional audio measurements can be conveniently made without additional equipment. This ...
Page 13
Application Information LM4667 micro SMD BOARD ARTWORK Composite View Top Layer (Continued) 200405G7 200405D1 13 Silk Screen 200405G6 Bottom Layer 200405G8 www.national.com ...
Page 14
Application Information LM4667 MSOP BOARD ARTWORK Composite View Top Layer www.national.com (Continued) 200405I1 200405I3 14 Silk Screen 200405I2 Bottom Layer 200405I0 ...
Page 15
... Physical Dimensions inches (millimeters) unless otherwise noted 9 Bump micro SMD Order Number LM4667ITL, LM4667ITLX NS Package Number TLA09AAA X1 = 1.514 X2 = 1.514 X3 = 0.600 Mini Small Outline (MSOP) Order Number LM4667MM NS Package Number MUB10A 15 www.national.com ...
Page 16
... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...