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參數(shù)資料
| 型號： | LM4682SQ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 10 Watt Stereo CLASS D Audio Power Amplifier with Stereo Headphone Amplifier and DC Volume Control |
| 中文描述： | 10 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC48 |
| 封裝： | LLP-48 |
| 文件頁數(shù)： | 19/22頁 |
| 文件大?。?/td> | 1033K |
| 代理商： | LM4682SQ |
Symbol
Parameter
Conditions
LM4682
Units
Typica
l
Max
Min
Headphone Amplifiers
P
O
Power Out Per Channel
THD+N
≤ 1%, R
L = 32, fIN = 1kHz
80
60
mW
THD+N
Distortion + Noise
P
O = 20mW, RL = 32, fIN = 1kHz
0.02
%
V
NOISE
Output Noise Voltage, RMS
R
IN = 50, CIN = 1F, BW = 20Hz
to 20kHz
A-weighted, input referred
9
V
PSRR
Power Supply Rejection Ratio
(Referred to Input)
200mV, 1kHz, V
IN = 0, RL = 32
88
dB
Electrical Characteristics for Volume Control (Notes 1, 2)
The following specifications apply for V
DD = 12V. Limits apply for TA = 25°C.
Symbol
Parameter
Conditions
LM4682
Units
(Limits )
Typical
(Note 8)
Limit
(Note 7)
C
RANGE
Gain Range
VOL_CTL voltage = VOLV
DD voltage,
No Load
Power Amplifier
Headphone Amplifier
30
13
29
12
dB (min)
VOL_CTL voltage = 0.069 x VOLV
DD
No Load
Power Amplifier
Headphone Amplifier
–48
–65
–46
–63
dB (min)
A
M
Mute Gain
V
MUTE voltage = 0V, No Load
Power Amplifier
Headphone Amplifier
–80
–70
–60
dB (max)
Note 1:
All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 2:
“Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. “Operating Ratings” indicate conditions for which the device
is functional, but do not guarantee specific performance limits. “Electrical Characteristics” state DC and AC electrical specifications under particular test conditions
which guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters
where no limit is given, however, the typical value is a good indication of device performance.
Note 3:
For operating at case temperatures above 25°C, the device must be derated based on a 150°C maximum junction temperature and a thermal resistance
of
θ
JA = 28°C/W (junction to ambient).
Note 4:
Human body model, 100pF discharged through a 1.5k
resistor. Device pin 16 has ESD HBM rating = 1500V.
Note 5:
Machine Model 220pF240pF discharged through all pins.
Note 6:
The operating junction temperature maximum is 150°C.
Note 7:
Limits are guaranteed to National's AOQL (Average Outgoing Quality Level).
Note 8:
Typicals are measured at 25°C and represent the parametric norm.
www.national.com
6
LM4682
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參數(shù)描述 |
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| LM4682SQ/NOPB | 功能描述:IC AMP AUDIO PWR 10W STER 48LLP 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) |
| LM4682SQBD | 功能描述:BOARD EVALUATION LM4682SQ RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 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:- |
| LM4682SQX/NOPB | 功能描述:IC AMP AUDIO PWR 10W STER 48LLP 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) |
| LM4684LD/NOPB | 制造商:Texas Instruments 功能描述: |
| LM4700 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Overture⑩ Audio Power Amplifier Series 30W Audio Power Amplifier with Mute and Standby Modes |
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