LM4856LQBD National Semiconductor, LM4856LQBD Datasheet
LM4856LQBD
Manufacturer Part Number
LM4856LQBD
Description
BOARD EVALUATION LM4856LQ
Manufacturer
National Semiconductor
Series
Boomer®r
Specifications of LM4856LQBD
Amplifier Type
Class AB
Output Type
1-Channel (Mono) with Stereo Headphones
Max Output Power X Channels @ Load
1.5W x 1 @ 4 Ohm; 60mW x 2 @ 32 Ohm
Voltage - Supply
2.6 V ~ 5 V
Operating Temperature
-40°C ~ 85°C
Board Type
Fully Populated
Utilized Ic / Part
LM4856
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
The LM4856 Evaluation Package includes the following:
Hardware Installation Instructions:
I
2
C Card Instructions:
1) Plug the I
2) Connect the LM4856 Demoboard to the I
1) Attach the I
2) The LED indicator on the I
3) Attach the I
4) The I
5) For pcVdd operation, the slide switch on the I
6) For extVdd operation, the slide switch on the I
extV
SCL
Refer to the Silkscreen for the corresponding pin locations of SCL,
SDA, extV
scheme:
DB-25 connector.
connection is made.
(pcVdd) or the LM4856 Demoboard’s power supply (extVdd).
the pcVdd position.
the extVdd position and the jumper (J2) setting on the LM4856
Demoboard must be closed.
I
2
C Silkscreen Pinout
DD
LM4856 Evaluation Package Instructions
2
C Card can be powered up either through the PC’s parallel port
GND
(White/Green – extV
(Green – SCL; Blue – NC; Orange – SDA)
2
NC
C Card to the parallel port (LPT1) of the PC.
DD
2
2
C Card to the PC’s parallel port using the I
C Cable to the I
and GND. The I
SDA
NC
2
C card will light up when a proper
2
C Card’s corresponding 6-pin header.
DD
1
2
C Cable uses the following color coding
; White/Blue – GND)
White/Green White/Blue
Green
Color Code for I
2
C Card with the I
2
2
C Card must be set to
C Card must be set to
LM4856 Demoboard
Blue
February 24, 2003
2
C Card’s male
2
C Cable
I
2
C Software
2
I
C Cable.
2
I
C Cable
Orange
2
C Card
Related parts for LM4856LQBD
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Integrated Audio Amplifier System
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
National Semiconductor [8-Bit D/A Converter]
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
National Semiconductor [Media Coprocessor]
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
AC97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound
Manufacturer:
National Semiconductor
Part Number:
Description:
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
General Purpose, Low Voltage, Low Power, Rail-to-Rail Output Operational Amplifiers
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
8-bit 20 MSPS flash A/D converter.
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Low Noise Quad Operational Amplifier
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Quad Differential Line Receivers
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Quad High Speed Trapezoidal? Bus Transceiver
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Dual Line Receiver
Manufacturer:
National Semiconductor
Datasheet:
LM4856LQBD Summary of contents
Page 1
LM4856 Evaluation Package Instructions The LM4856 Evaluation Package includes the following: Hardware Installation Instructions Plug the I C Card to the parallel port (LPT1) of the PC. 2) Connect the LM4856 Demoboard to the I Refer to the ...
Page 2
LM4856 Demoboard Instructions: 1) The supply pin, ground pin, inputs, and outputs are all easily accessed through the header pins of the LM4856 Demoboard. Each header pin is labeled accordingly on the Demoboard’s Silkscreen layer Attach the I ...
Page 3
February 24, 2003 3 ...