參數(shù)資料
型號: LM4851ITL
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): 4/22頁
文件大小: 1126K
代理商: LM4851ITL
Electrical Characteristics
(Notes 2, 8) (Continued)
The following specifications apply for V
DD
= 5.0V, T
A
= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4851
Units
(Limits)
Typical
(Note 5)
Limit
(Note 6)
Digital Volume Range (R
IN
and
L
IN
)
Digital Volume Stepsize
Stepsize Error
Phone In Volume
Input referred minimum gain
Input referred maximum gain
-40.5
+6
1.5
±
0.5
6
dB
dB
dB
dB
BTL gain from
Phone In to SPKR
OUT
BTL gain from
Phone In to R
OUT
, L
OUT
Phone In Volume
0
dB
Phone In Input Impedance
20
15
25
37.5
62.5
20
20
30
20
20
20
50
50
DC
10
k
(min)
k
(max)
k
(min)
k
(max)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
(min)
MHz (max)
R
IN
and L
IN
50
t
ES
t
EH
t
EL
t
DS
t
DH
t
CS
t
CH
t
CL
t
CLK
Enable Setup Time (ENB)
Enable Hold Time (ENB)
Enable Low Time (ENB)
Data Setup Time (DATA)
Data Hold Time (DATA)
Clock Setup Time (CLK)
Clock Logic High Time (CLK)
Clock Logic Low Time (CLK)
Clock Frequency
Electrical Characteristics
(Notes 2, 8)
The following specifications apply for V
DD
= 3.0V, T
A
= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4851
Units
(Limits)
Typical
(Note 5)
Limit
(Note 6)
I
DD
Supply Current
Output mode 7
V
IN
= 0V; I
O
= 0A
Output modes 1, 2, 3, 4, 5, 6
V
IN
= 0V; I
O
= 0A
Output mode 0
V
IN
= 0V
SPKR
OUT
; R
L
= 4
THD+N = 1%; f = 1kHz
LM4851LQ
SPKR
OUT
; R
L
= 8
THD+N = 1%; f = 1kHz
R
OUT
and L
OUT
; R
L
= 32
THD+N = 0.5%; f = 1kHz
6.2
11
mA (max)
4.0
7.0
mA (max)
I
DD
V
OS
P
O
Shutdown Current
Output Offset Voltage
Output Power
0.1
5.0
430
2
50
μA (max)
mV (max)
mW
340
300
mW (min)
25
20
mW (min)
L
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LM4851LQ 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Integrated Audio Amplifier System
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