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参数资料
| 型号： | LM4856LQ/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.5 W, 3 CHANNEL, AUDIO AMPLIFIER, QCC24 |
| 封装： | LLP-24 |
| 文件页数： | 18/23页 |
| 文件大小： | 1321K |
| 代理商： | LM4856LQ/NOPB |
Electrical Characteristics (Notes 3, 8) (Continued)
The following specifications apply for V
DD= 5.0V, TA= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4856
Units
(Limits)
Typical
Limits
(Notes 6,
V
IL
Logic Low Input Voltage
0.4
GND
V (max)
V (min)
Digital Volume Range
(R
IN and LIN)
Input referred minimum gain
-34.5
-35.1
-33.9
dB (min)
dB (max)
Input referred maximum gain
12.0
11.4
12.6
dB (min)
dB (max)
Digital Volume Range
(Phone_In_HS)
Input referred minimum gain
-40.5
-41.1
-39.9
dB (min)
dB (max)
Input referred maximum gain
6.0
5.4
6.6
dB (min)
dB (max)
Digital Volume Stepsize
1.5
dB
Digital Volume Stepsize Error
±0.1
±0.6
dB ( max)
Phone_In_IHF Volume
BTL gain from Phone_In _IHF to
SPKR
OUT
12
11.4
12.6
dB (min)
dB (max)
Phone_In_IHF Mute Attenuation
Output Mode 2, 4, 6
100
dB
Phone_In_IHF Input Impedance
20
15
25
k
(min)
k
(max)
Phone_In_HS Input Impedance
Maximum gain setting
33.5
25
42
k
(min)
k
(max)
Mininum gain setting
100
75
125
k
(min)
k
(max)
R
IN and LIN Input Impedance
Maximum gain setting
20
15
25
k
(min)
k
(max)
Mininum gain setting
100
75
125
k
(min)
k
(max)
T
SD
Thermal Shutdown Temperature
170
150
C (min)
t
1
SCL (Clock) Period
2.5
s (min)
t
2
SDA to SCL Set-up Time
100
ns (min)
t
3
Data Out Stable Time
0
ns (min)
t
4
Start Condition Time
100
ns (min)
t
5
Stop Condition Time
100
ns (min)
LM4856
www.national.com
4
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相关代理商/技术参数 |
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|---|---|
| LM4857 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Stereo 1.2W Audio Sub-system with 3D Enhancement |
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| LM4857GR | 功能描述:IC AUDIO SUBSYSTEM W/3D 49UBGA RoHS:否 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LM4857ITL | 制造商:Texas Instruments 功能描述:1.2W STEREO SUBSYST 3D SMD 4857 |
| LM4857ITL/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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