LM4842 National Semiconductor, LM4842 Datasheet - Page 4

• Manufacturer Part Number: LM4842
• Description: Stereo 2W Amplifiers with DC Volume Control Transient Free Outputs/ and Cap-less Headphone Drive
• Manufacturer: National Semiconductor

www.national.com
V
I
I
V
V
TH
C
C
A
P
DD
SD
Symbol
DD
IH
IL
Symbol
RANGE
RANGE
M
O
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics for Entire IC
The following specifications apply for V
Electrical Characteristics for Volume Attenuators
The following specifications apply for V
Electrical Characteristics for Single-Ended Mode Operation
The following specifications apply for V
Symbol
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 11)
ESD Susceptibility (Note 12)
ESD Susceptibility (Note 13)
Junction Temperature
Soldering Information
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
um
All pins except Pin 28
Pin 28
Vapor Phase (60 sec.)
Infrared (15 sec.)
Supply Voltage
Quiescent Power Supply Current
Shutdown Current
VIN High on all Logic Inputs
VIN Low on all Logic Inputs
Un-Mute Threshold Voltage
Attenuator Range
Attenuator Range
Mute Attenuation
Output Power
Parameter
Parameter
Parameter
−0.3V to V
DD
DD
DD
-65˚C to +150˚C
Internally limited
= 5V and T
= 5V and T
= 5V and T
(Note 10)
DD
THD+N = 1.0%; f = 1kHz; R
THD+N = 10%; f = 1 kHz; R
V
V
V
Gain 1st Stage = 1
Gain with V
Attenuation with V
SE)
V
V
2500V
6500V
150˚C
215˚C
220˚C
IN
Shutdown
Shutdown
mute
mute
+0.3V
200V
A
A
A
6.0V
= 0V, I
= 25˚C unless otherwise noted.
= 25˚C unless otherwise noted.
= 25˚C unless otherwise noted.
= 5V, Bridged Mode (BM)
= 5V, Single-Ended Mode (SE)
= GND
= V
O
Conditions
DCVol
4
= 0A
(Notes 7, 10)
DD
Conditions
Conditions
Operating Ratings
,
θ
θ
θ
θ
θ
θ
DAP) (Note 4)
θ
DAP) (Note 3)
θ
DAP) (Note 5)
θ
DAP) (Note 6)
Temperature Range
Supply Voltage
= 5.0V, No Load
JC
JA
JC
JA
JC
JA
JA
JA
JA
DCVol
T
MIN
(typ) — LQA028A
(typ) — MTC28
(typ) — MXA28A (exposed
(typ) — MXA28A (exposed
(typ) — MXA28A (exposed
(typ) — MXA28A (exposed
(typ) — LQA028A
(typ) — MTC28
(typ) — MXA28A
= 0V (BM &
≤ T
L
L
A
= 32Ω
= 32Ω
≤T
MAX
(Notes 7, 10)
(Note 14)
Typical
(Note 14)
(Note 14)
85
95
Typical
Typical
0.7
15
22
LM4842
LM4842
LM4842
(Notes 7, 10)
(Note 15)
0.8 x V
0.2 x V
(Note 15)
(Note 15)
Limit
−40˚C ≤TA ≤ 85˚C
±
Limit
Limit
2.7V≤ V
2.7
5.5
2.0
-75
-78
-78
0.75
30
10
40
DD
DD
DD
V (min)
V (max)
42˚C/W
20˚C/W
80˚C/W
41˚C/W
54˚C/W
59˚C/W
93˚C/W
mA (max)
µA (max)
dB (max)
(Limits)
dB (min)
dB (min)
dB (min)
≤ 5.5V
(Limits)
V (max)
(Limits)
3˚C/W
2˚C/W
V (min)
mV
mV
Units
Units
Units
mW
mW
RMS
RMS