參數(shù)資料
型號(hào): LM4838ITLX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻控制
英文描述: Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
中文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PBGA36
封裝: MICRO, SMD-36
文件頁(yè)數(shù): 4/36頁(yè)
文件大?。?/td> 2085K
代理商: LM4838ITLX
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 10)
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 11)
ESD Susceptibility (Note 12)
ESD Susceptibility (Note 13)
Junction Temperature
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
Infrared (15 sec.)
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
θ
JC
(typ)—LQA028AA
θ
JA
(typ)—LQA028AA
6.0V
-65C to +150C
0.3V to V
DD
+0.3V
Internally limited
2000V
200V
150C
215C
220C
3C/W
42C/W
θ
JC
(typ)—MTC28
θ
JA
(typ)—MTC28
θ
JC
(typ)—MXA28A
θ
JA
(typ)—MXA28A (exposed
DAP) (Note 4)
θ
JA
(typ)—MXA28A (exposed
DAP) (Note 3)
θ
JA
(typ)—MXA28A (exposed
DAP) (Note 5)
θ
JA
(typ)—MXA28A (exposed
DAP) (Note 6)
θ
JA
(typ)—ITL36AAA
θ
JC
(typ)—ITL36AAA (Note 16)
20C/W
80C/W
2C/W
41C/W
54C/W
59C/W
93C/W
100C/W
65C/W
Operating Ratings
Temperature Range
T
MIN
T
A
T
MAX
Supply Voltage
40C
TA
85C
2.7V
V
DD
5.5V
Electrical Characteristics for Entire IC
(Notes 7, 10)
The following specifications apply for V
DD
= 5V unless otherwise noted. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4838
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
2.7
5.5
30
2.0
4
0.8
V
DD
Supply Voltage
V (min)
V (max)
mA (max)
μA (max)
V (min)
V (max)
I
DD
I
SD
V
IH
V
IL
Quiescent Power Supply Current
Shutdown Current
Headphone Sense High Input Voltage
Headphone Sense Low Input Voltage
V
IN
= 0V, I
O
= 0A
V
shutdown
= V
DD
15
0.7
Electrical Characteristics for Volume Attenuators
(Notes 7, 10)
The following specifications apply for V
DD
= 5V. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4838
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
±
0.75
-75
C
RANGE
Attenuator Range
Gain with V
DCVol
= 5V, No Load
Attenuation with V
DCVol
= 0V (BM &
SE)
V
mute
= 5V, Bridged Mode (BM)
V
mute
= 5V, Single-Ended Mode (SE)
dB (max)
dB (min)
A
M
Mute Attenuation
-78
-78
dB (min)
dB (min)
Electrical Characteristics for Single-Ended Mode Operation
(Notes 7, 10)
The following specifications apply for V
DD
= 5V. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4838
Units
(Limits)
Typical
(Note 14)
85
95
Limit
(Note 15)
P
O
Output Power
THD = 1.0%; f = 1kHz; R
L
= 32
THD = 10%; f = 1 kHz; R
L
= 32
mW
mW
L
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PDF描述
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