參數(shù)資料
型號： LM4980
廠商： National Semiconductor Corporation
英文描述： 2 Cell Battery, 1mA, 42mW Per Channel High Fidelity Stereo Headphone Audio Amplifier for MP3 players
中文描述： 2節(jié)電池，1mA的，每通道高保真立體聲耳機(jī)音頻放大器42mW MP3播放器
文件頁數(shù)： 4/20頁
文件大?。?/td> 1324K
代理商： LM4980
Absolute Maximum Ratings
(Note 1)
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 2)
ESD Susceptibility(Note 3)
ESD Susceptibility (Note 4)
Junction Temperature
Solder Information
Small Outline Package Vapor Phase (60sec)
3.6V
65C to +150C
0.3V to V
DD
+0.3V
Internally limited
2000V
200V
150C
215C
Infrared (15 sec)
See AN-450 “Surface Mounting and their Effects on
Product Reliablilty” for other methods of soldering
surface mount devices.
Thermal Resistance
θ
JA
(typ) SDA10A
220C
73C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
+85C
1.5V
≤
V
DD
≤
3.3V
Electrical Characteristics V
DD
= 3.0V
(Notes 1, 5)
The following specifications apply for the circuit shown in Figure 2, unless otherwise specified. A
V
= 0dB, R
L
= 32
.
Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4980
Units
(Limits)
Typical
(Note 6)
1.0
0.1
1
Limit
(Note 7)
1.5
1
5
I
DD
I
SD
V
OS
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
V
IN
= 0V, I
O
= 0A, R
L
=
∞
(Note 8)
V
SHDN
= GND
mA (max)
μA (max)
mV
P
O
Output Power (Note 9)
R
L
= 16
,
THD+N = 1%, f = 1kHz, per channel
R
L
= 32
,
THD+N = 1%, f = 1kHz, per channel
20Hz to 20kHz, A-weighted, Fig. 2
R
L
= 32
, P
OUT
= 10mW, f = 1kHz
Freq = 1kHz, P
OUT
= 28mW, R
L
= 32
V
RIPPLE
= 200mV
P-P
sine wave
f
RIPPLE
= 1kHz, C
MIDCAP
= 4.7μF,
V
MID
Voltage is Ripple-Free
V
RIPPLE
= 200mV
P-P
sine wave
f
RIPPLE
= 217Hz, C
MIDCAP
= 4.7μF,
V
MID
Voltage is Ripple-Free
Input coupling capacitors with 5%
tolerance, V
IN
= V
MID
,
f
RIPPLE
= 1kHz
C
MIDCAP
= 4.7μF, Fig 2.
1.5V
≤
V
DD
≤
3.3V
1.5V
≤
V
DD
≤
3.3V
42
35
mW (min)
28
mW (min)
V
NO
THD+N
Crosstalk
Output Voltage Noise
Total Harmonic Distortion + Noise
10
0.02
77
μV
RMS
%
dB
PSRR
Power Supply Rejection Ratio
90
dB
100
dB
CMRR
Common-Mode Rejection Ratio
47
dB
T
WAKE-UP
V
IH
V
IL
Wake-up Time
Control Logic High
Control Logic Low
250
ms
1.4V
0.4V
V (min)
V (max)
Electrical Characteristics V
DD
= 1.8V
(Notes 1, 5)
The following specifications apply for the circuit shown in Figure 2, unless otherwise specified. A
V
= 0dB, R
L
= 32
.
Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4980
Units
(Limits)
Typical
(Note 6)
0.9
0.1
1
Limit
(Note 7)
I
DD
I
SD
V
OS
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
V
IN
= 0V, I
O
= 0A, R
L
=
∞
(Note 8)
V
SHDN
= GND
mA
μA
mV
L
www.national.com
4
相關(guān)PDF資料
PDF描述
LM4980SD 2 Cell Battery, 1mA, 42mW Per Channel High Fidelity Stereo Headphone Audio Amplifier for MP3 players
LM4992SD 420mW Stereo Cell Phone Audio Amplifier
LM4992 420mW Stereo Cell Phone Audio Amplifier
LM5041 Cascaded PWM Controller
LM5041MTC Cascaded PWM Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4980SD 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4980SD/NOPB 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4980SDBD 功能描述:音頻 IC 開發(fā)工具 LM4980 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
LM4980SDX 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4980SDX/NOPB 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

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

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

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*