參數(shù)資料
型號(hào)： LM4838
廠商： National Semiconductor Corporation
英文描述： Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
中文描述： 立體聲2W的音頻功率放大器直流音量控制及可選擇增益
文件頁(yè)數(shù)： 4/36頁(yè)
文件大?。?/td> 2085K
代理商： LM4838
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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相關(guān)PDF資料
PDF描述
LM4838LQ Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
LM4838MT Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
LM4838MTE Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
LM4838ITL Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
LM4838ITLX Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4838BULN E WAF 制造商:Texas Instruments 功能描述:
LM4838GR 功能描述:IC AMP AUDIO PWR 2.2W 49UARRAY RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR)
LM4838ITL 制造商:Texas Instruments 功能描述:AMP AUDIO STEREO 2.2W SMD 4838
LM4838ITL/NOPB 功能描述:IC AMP AUDIO PWR 2.2W 36USMD RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR)
LM4838ITLX 制造商:Rochester Electronics LLC 功能描述:- Bulk
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