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): 4/23頁
文件大?。?/td> 1321K
代理商: LM4856ITL
Electrical Characteristics
(Notes 3, 8) (Continued)
The following specifications apply for V
DD
= 5.0V, T
A
= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4856
Units
(Limits)
Typical
(Note 5)
Limits
(Notes 6,
11)
V
IL
Logic Low Input Voltage
0.4
GND
-35.1
-33.9
11.4
12.6
-41.1
-39.9
5.4
6.6
V (max)
V (min)
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)
Digital Volume Range
(R
IN
and L
IN
)
Input referred minimum gain
-34.5
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
L
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