LM4819MX National Semiconductor, LM4819MX Datasheet - Page 5

• Manufacturer Part Number: LM4819MX
• Description: IC AMP AUDIO PWR .35W MONO 8SOIC
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4819MX

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 350mW x 1 @ 16 Ohm
• Voltage - Supply: 2 V ~ 5.5 V
• Features: Depop, Differential Inputs, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LM4819MXTR

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Electrical Characteristics V
The following specifications apply for V
25˚C. (Continued)
Note 6: Machine Model, 220pF–240pF capacitor is discharged through all pins.
Note 7: Typical specifications are specified at 25˚C and represent the parametric norm.
Note 8: Tested limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 9: Datasheet min/max specification limits are guaranteed by designs, test, or statistical analysis.
Note 10: The given θ
that of the Exposed-DAP itself. The Exposed-DAP of the LDA08B package should be electrically connected to GND or an electrically isolated copper area.
Note 11: The given θ
Note 12: The shutdown pin (pin1) should be driven as close as possible to V
External Components Description
Components
1.
2.
3.
4.
5.
C
C
R
R
C
S
B
i
i
f
JA
JA
Combined with R
C
This input coupling capacitor blocks DC voltage at the amplifier’s terminals. Combined with R
high pass filter with R
an explanation of how to determine the value of C
Combined with R
This is the power supply bypass capacitor that filters the voltage applied to the power supply pin. Refer to the
Application Information section for proper placement and selection of C
This is the bypass pin capacitor that filters the voltage at the BYPASS pin. Refer to the section, Proper
Selection of External Components, for information concerning proper placement and selection of C
is for an LM4819 package in an LDA08B with the Exposed-DAP soldered to a printed circuit board copper pad with an area equivalent to
is for an LM4819 package in an LDA08B with the Exposed-DAP not soldered to any printed circuit board copper.
i
at f
c
= 1/(2πR
i
C
f
i
, this inverting input resistor sets the closed-loop gain. R
, this is the feedback resistor that sets the closed-loop gain: A
i
).
DD
i
at f
= 3V and R
c
DD
= 1/(2πR
= 3V
L
i
C
= 16Ω load unless otherwise stated. Limits apply to T
i
). Refer to the section, Proper Selection of External Components for
(Notes 2, 3)
(Figure 1)
DD
Functional Description
4
for minimum current in Shutdown Mode.
i
.
s
i
.
also forms a high pass filter with
v
= 2(R
F
/R
i
).
A
=
i
, it creates a
B
.