- 您現在的位置：買賣IC網 > PDF目錄358866 > LM4857 (National Semiconductor Corporation) Stereo 1.2W Audio Sub-system with 3D Enhancement PDF資料下載
參數資料
| 型號： | LM4857 |
| 廠商： | 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)三維增強系統(tǒng) |
| 文件頁數： | 11/38頁 |
| 文件大?。?/td> | 1517K |
| 代理商： | LM4857 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁當前第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁
Control Interface Electrical Characteristics
(Notes 1, 2) (Continued)
The following specifications apply for V
DD
= 5V and V
DD
= 3V and 2.5V
≤
I
2
CV
DD
≤
5.5V, unless otherwise specified. Limits
apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4857
Limits
(Notes
7, 8)
100
0.7 x I
2
CVDD
0.3 x I
2
CV
DD
Units
(Limits)
Typical
(Note 6)
t
5
V
IH
V
IL
Stop Condition time
Digital Input High Voltage
Digital Input Low Voltage
ns (min)
V (min)
V (max)
Note 1:
All voltages are measured with respect to the GND 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:
The maximum power dissipation must be derated at elevated temperatures and is dictated by T
JMAX
,
θ
JA
, and the ambient temperature, T
A
. The maximum
allowable power dissipation is P
DMAX
= (T
JMAX
- T
A
) /
θ
JA
or the number given in Absolute Maximum Ratings, whichever is lower. For the LM4857 operating in Mode
3, 8, or 13 with V
DD
= 5V, 8
stereo loudspeakers and 32
stereo headphones, the total power dissipation is 1.348W.
θ
JA
= 62C/W.
Note 4:
Human body model, 100pF discharged through a 1.5k
resistor.
Note 5:
Machine Model, 220pF-240pF discharged through all pins.
Note 6:
Typicals are measured at +25C and represent the parametric norm.
Note 7:
Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 8:
Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Note 9:
Shutdown current and supply current are measured in a normal room environment. All digital input pins are connected to I
2
CV
DD
.
Note 10:
The given
θ
JA
is for an LM4857ITL mounted on a PCB with a 2in
2
area of 1oz printed circuit board copper ground plane.
Note 11:
“0dB gain” refers to the volume control gain setting of M
IN
, L
IN
, and R
IN
set at 0dB.
Note 12:
The given
θ
A
is for an LM4857SP mounted on a PCB with a 2in
2
area of 10z printed circuit board ground plane.
L
www.national.com
11
相關PDF資料 |
PDF描述 |
|---|---|
| LM4857GR | Stereo 1.2W Audio Sub-system with 3D Enhancement |
| LM4857ITL | Stereo 1.2W Audio Sub-system with 3D Enhancement |
| LM4857SP | Stereo 1.2W Audio Sub-system with 3D Enhancement |
| LM4859 | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:47; Connector Shell Size:40; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight |
| LM4870 | 1.1W Audio Power Amplifier with Shutdown Mode |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4857_05 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 1.2W Audio Sub-system with 3D Enhancement |
| LM4857GR | 功能描述:IC AUDIO SUBSYSTEM W/3D 49UBGA RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4857ITL | 制造商:Texas Instruments 功能描述:1.2W STEREO SUBSYST 3D SMD 4857 |
| LM4857ITL/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4857ITLBD | 功能描述:BOARD EVALUATION LM4857ITL RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 音頻放大器 系列:Boomer® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
發(fā)布緊急采購，3分鐘左右您將得到回復。