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參數(shù)資料
| 型號： | LM4856ITL |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Integrated Audio Amplifier System |
| 中文描述： | 1.1 W, 3 CHANNEL, AUDIO AMPLIFIER, PBGA18 |
| 封裝： | MICRO SMD-18 |
| 文件頁數(shù)： | 6/23頁 |
| 文件大小： | 1321K |
| 代理商： | LM4856ITL |
Electrical Characteristics
(Notes 2, 8) (Continued)
The following specifications apply for V
DD
= 3.0V, T
A
= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4856
Units
(Limits)
Typical
(Note 5)
Limits
(Notes 6,
11)
Digital Volume Range
(R
IN
and L
IN
)
Input referred minimum gain
-34.5
-35.1
-33.9
11.4
12.6
-41.1
-39.9
5.4
6.6
dB (min)
dB (max)
dB (min)
dB (max)
dB (min)
dB (max)
dB (min)
dB (max)
dB
dB ( max)
dB (min)
dB (max)
dB
k
(min)
k
(max)
k
(min)
k
(max)
k
(min)
k
(max)
k
(min)
k
(max)
k
(min)
k
(max)
C (min)
μs (min)
ns (min)
ns (min)
ns (min)
ns (min)
Input referred maximum gain
12.0
Digital Volume Range
(Phone_In_HS)
Input referred minimum gain
-40.5
Input referred maximum gain
6.0
Digital Volume Stepsize
Digital Volume Stepsize Error
Phone_In_IHF Volume
1.5
±
0.1
12
±
0.6
11.4
12.6
BTL gain from Phone_In _IHF to
SPKR
OUT
Output Mode 2, 4, 6
Phone _In_IHF Mute Attenuation
Phone_In_IHF Input Impedance
100
20
15
25
25
42
75
125
15
25
75
125
150
2.5
100
0
100
100
Phone_In_HS Input Impedance
Maximum gain setting
33.5
Mininum gain setting
100
R
IN
and L
IN
Input Impedance
Maximum gain setting
20
Mininum gain setting
100
T
SD
t
1
t
2
t
3
t
4
t
5
Thermal Shutdown Temperature
SCL (Clock) Period
SDA to SCL Set-up Time
Data Out Stable Time
Start Condition Time
Stop Condition Time
170
Note 2:
Absolute Maximum Rating indicate limits beyond which damage to the device may occur.
Note 3:
Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and
test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may
degrade when the device is not operated under the listed test conditions.
Note 4:
Human body model, 100pF discharged through a 1.5k
resistor.
Note 5:
Typical specifications are specified at +25C and represent the most likely parametric norm.
Note 6:
Tested limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 7:
Machine Model ESD test is covered by specification EIAJ IC-121-1981. A 200pF cap is charged to the specified voltage, then discharged directly into the
IC with no external series resistor (resistance of discharge path must be under 50
).
Note 8:
All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 9:
The given
θ
JA
and
θ
JC
are for an LM4856 mounted on a demonstration board with a 4in
2
area of 1oz printed circuit board copper ground plane.
Note 10:
Please refer to the Output Noise vs Output Mode table in the Typical Performance Characteristics section for more details.
Note 11:
Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
L
www.national.com
6
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4856ITL/NOPB | 功能描述:IC AMP AUDIO PWR 1.5W AB 18USMD 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，2-通道（立體聲） 在某負(fù)載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風(fēng)，靜音，短路保護，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) |
| LM4856LQ | 制造商:Texas Instruments 功能描述:1W MONO 100MW STEREO SUBSYST 4856 |
| LM4856LQ/NOPB | 功能描述:IC AMP AUDIO PWR 1.5W MONO 24LLP 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，2-通道（立體聲） 在某負(fù)載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風(fēng)，靜音，短路保護，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) |
| LM4856LQBD | 功能描述:BOARD EVALUATION LM4856LQ 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:- |
| LM4857 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 1.2W Audio Sub-system with 3D Enhancement |
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