參數(shù)資料
型號(hào)： LM4931
廠商： National Semiconductor Corporation
英文描述： Audio Subsystem with Mono High Efficiency Loudspeaker and Stereo Headphone Amplifiers
中文描述： 與單聲道音頻子系統(tǒng)高效揚(yáng)聲器和立體聲耳機(jī)放大器
文件頁數(shù)： 8/47頁
文件大小： 1640K
代理商： LM4931
Electrical Characteristics DV
DD
= 3V, AV
DD
= 3V, R
LHP
= 32
, R
LHF
= 8
(Notes 1, 2) (Continued)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4931
Units
(Limits)
Typical
(Note 6)
Limits
(Note 7)
t
SPIHOLDENB
t
SPICL
t
SPICH
t
SPIT
f
CLKI2C
t
I2CHOLD
t
I2CSET
PCM/I
2
S
f
CLKPCM
SPI ENB Hold Time
SPI Clock Low Time
SPI Clock HighTime
SPI Clock Transition Time
I
2
C_CLK Frequency
I
2
C_DATA Hold Time
I
2
C_DATA Setup Time
100
500
500
5
3400
100
100
ns (min)
ns (min)
ns (min)
ns (min)
kHz (max)
ns (min)
ns (min)
400
PCM_CLK Frequency
PCM_CLK Duty Cycle
128
50
kHz
40
60
% (min)
% (max)
kHz
kHz
% (min)
% (max)
f
CLKI2S
I
2
S_CLK Frequency
I
2
S_RES = 0
I
2
S_RES = 1
1536
3072
50
I
2
S_WS Duty Cycle
40
60
Electrical Characteristics DV
DD
= 3.3V, AV
DD
= 5V, R
LHP
= 32
, R
LHF
= 8
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4931
Units
(Limits)
Typical
(Note 6)
Limits
(Note 7)
Power
Mode 0
f
MCLK
= 12MHz (Note 9)
No MCLK
Mode 1, f
MCLK
= 12MHz
f
MCLK
= 12MHz
Mode 2, 3, 4
Mode 5, 6, 7
Mode 8, 9, 10
f
MCLK
= 12MHz
Mode 0, No Load
Mode 1, No Load
No Load
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Mode 7
Mode 8, 9, 10
DI
SD
Digital Shutdown Current
500
1
500
600
μA (max)
μA (max)
μA (max)
DI
ST
Digital Standby Current
1600
DI
DD
Digital Power Supply Current
1.6
3.5
4.0
3.3
0.6
220
3.5
8
8
4
3
450
mA (max)
mA (max)
mA (max)
mA (max)
μA (max)
μA (max)
PLLI
DD
AI
DD
AI
ST
PLL Quiescent Current
Analog Shutdown Current
Analog Standby Current
AI
DD
Analog Power Supply Quiescent
Current
18.5
7.3
19.6
19.4
8.4
20.5
22
32
12
29
30
26
30
32
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
Loudspeaker Amplifier
L
www.national.com
8
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4931_06 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Audio Subsystem with Mono High Efficiency Loudsperker and Stereo Headphone Amplifiers
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LM49321RL 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Audio Sub-System with Stereo DAC, Mono Class AB Loudspeaker Amplifier, OCL/SE Stereo Headphone Output and RF Suppression
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