LM4856LQBD National Semiconductor, LM4856LQBD Datasheet - Page 7

no-image

LM4856LQBD

Manufacturer Part Number
LM4856LQBD
Description
BOARD EVALUATION LM4856LQ
Manufacturer
National Semiconductor
Series
Boomer®r
Datasheets

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
External Components Description
Typical Performance Characteristics
Components
1.
2.
3.
C
C
C
IN
S
B
This is the input coupling capacitor. It blocks the DC voltage and couples the input signal to the amplifier’s
input terminals. C
1/(2πR
This is the supply bypass capacitor. It filters the supply voltage applied to the V
the LM4856’s PSRR.
This is the BYPASS pin capacitor. It filters the V
THD+N vs Frequency
THD+N vs Frequency
LM4856LQ
i
C
IN
).
IN
also creates a highpass filter with the internal resistor R
200607B1
200607F0
Functional Description
7
DD
/ 2 voltage and helps maintain the LM4856’s PSRR.
THD+N vs Frequency
THD+N vs Frequency
LM4856LQ
i
(Input Impedance) at f
DD
pin and helps maintain
200607G6
200607F1
www.national.com
c
=

Related parts for LM4856LQBD