參數(shù)資料
型號(hào)： LM4844
廠(chǎng)商： National Semiconductor Corporation
英文描述： Stereo 1.2W Audio Sub-system with 3D Enhancement
中文描述： 1.2W的立體聲音頻子系統(tǒng)三維增強(qiáng)系統(tǒng)
文件頁(yè)數(shù)： 3/21頁(yè)
文件大?。?/td> 983K
代理商： LM4844
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature (T
J
)
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
200V
150C
Thermal Resistance
θ
JA
(TLA30CZA)
62C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
+85C
2.7V
≤
V
DD
≤
5.5V
–2.5V
≤
I
2
CV
DD
≤
5.5V
Audio Amplifier Electrical Characteristics V
DD
= 5.0V
(Notes 1, 2)
The following specifications apply for V
DD
= 5.0V, unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4844
Limits
(Notes
7, 8)
Units
(Limits)
Typical
(Note 6)
I
DD
Supply Current
V
IN
= 0V, No load;
LD5 = RD5 = 0
Mode 4, 9, 14
Mode 2, 7, 12
Mode 3, 8, 13
Mode 0
Speaker; THD+N = 1%;
f = 1kHz; 8
BTL
Headphone; THD+N = 1%;
f = 1kHz; 32
SE
LD5 = RD5 = 0
Speaker; P
O
= 400mW;
f = 1kHz; 8
BTL
Headphone; P
O
= 15mW;
f = 1kHz; 32
SE
Speaker; LD5 = RD5 = 0
Headphone; LD5 = RD5 = 0
A-weighted, 0dB gain;
LD5 = RD5 = 0
Speaker; Mode 2, 3, 7, 8
Speaker; Mode 12, 13
Headphone; Mode 3, 4, 8, 9
Headphone; Mode 13, 14
f = 217Hz; V
rip
= 200mV
pp
; C
B
= 2.2μF;
0dB Gain Setting; LD5 = RD5 = 0
Speaker; Mode 2, 3, 7, 8
Speaker; Mode 12, 13,
Headphone; Mode 3, 4, 8, 9
Headphone; Mode 13, 14
LD5 = RD5 = 0
Loudspeaker; P
O
= 400mW;
f = 1kHz
Headphone; P
O
= 15mW;
f = 1kHz
CD4 = 0; C
B
= 2.2μF
CD4 = 1; C
B
= 2.2μF
5
12
13
0.2
8
18
20
2.5
mA (max)
mA (max)
mA (max)
μA (max)
I
SD
Shutdown Current
P
O
Output Power
1.2
0.9
W (min)
80
60
mW (min)
THD+N
Total Harmonic Distortion Plus
Noise
0.05
%
0.06
%
V
OS
Offset Voltage
5
2
40
30
mV (max)
mV (max)
N
OUT
Output Noise
31
35
12
14
μV
μV
μV
μV
PSRR
Power Supply Rejection Ratio
71
65
76
72
dB
55
dB (min)
dB
dB (min)
62
Xtalk
Crosstalk
84
dB
60
dB
T
WU
Wake-up Time
103
42
ms
ms
L
www.national.com
3
相關(guān)PDF資料
PDF描述
LM4845 Output Capacitor-less Audio Subsystem with Programmable National 3D
LM4845ITL Output Capacitor-less Audio Subsystem with Programmable National 3D
LM4850 Mono 1.5 W / Stereo 300 mW Power Amplifier
LM4850LD Mono 1.5 W / Stereo 300 mW Power Amplifier
LM4850MM Mono 1.5 W / Stereo 300 mW Power Amplifier
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4844_07 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Stereo 1.2W Audio Sub-System with 3D Enhancement
LM4844TL/NOPB 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
LM4844TLEVAL 功能描述:BOARD EVALUATION LM4844TL RoHS:否 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 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:1 系列:-
LM4844TLX/NOPB 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
LM4845 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Output Capacitor-less Audio Subsystem with Programmable National 3D
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠(chǎng)商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*