參數(shù)資料
型號(hào)： LM4935
廠商： National Semiconductor Corporation
元件分類： ADC
英文描述： Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC
中文描述： 音頻子系統(tǒng)的雙模單聲道立體聲耳機(jī)和揚(yáng)聲器放大器的高效率和多功能模數(shù)轉(zhuǎn)換器
文件頁(yè)數(shù)： 9/112頁(yè)
文件大小： 5017K
代理商： LM4935
10.0 Electrical Characteristics
(Notes 1, 2) Unless otherwise stated
PLL_V
DD
= 3.3V, D_V
DD
= 3.3V,
BB_V
DD
= 1.8V, A_V
= 3.3V, LS_V
= 3.3V.
The following specifications apply for the circuit shown in
Figure 2
unless
otherwise stated. Limits apply for 25C. (Continued)
Symbol
Parameter
Conditions
LM4935
Units
Typical
(Note 6)
Limit
(Note 7)
DC CURRENT CONSUMPTION
DACI
DD
DAC Active Current
f
MCLK
= 13MHz, DAC ON only;
PLL OFF, f
S
= 48kHz
f
MCLK
= 19.2MHz, DAC ON only
PLL OFF; f
S
= 48kHz
f
MCLK
= 13MHz, SAR ON only
f
MCLK
= 19.2MHz, SAR ON only
LS ON only
HP ON only, SE MODE
HP ON only, OCL MODE
EP ON only
AUXOUT ON only
CPOUT ON only
7.4
mA
10.7
mA
SARI
DD
SAR Active Current
1.6
2.3
8.8
3.5
3.9
4.4
4.8
4.8
mA
mA
mA
mA
mA
mA
mA
mA
LSI
DD
Loudspeaker Quiescent Current
HPI
DD
Headphone Quiescent Current
EPI
DD
AUXI
DD
CPOUTI
DD
LOUDSPEAKER AMPLIFIER
P
LS
Earpiece Quiescent Current
AUXOUT Quiescent Current
CPOUT Quiescent Current
Max Loudspeaker Power
8
load, LS_V
DD
= 5V
8
load, LS_V
DD
= 4.2V
8
load, LS_V
DD
= 3.3V
8
load, LS_V
DD
= 3.3V,
P
O
= 400mW
0 dB Input
MCLK = 12.000 MHz
AUX inputs terminated
C
BYPASS
= 1.0 μF
V
RIPPLE
= 200 mV
P-P
f
RIPPLE
= 217 Hz
From 0 dB Analog AUX input at
1 kHz, A-weighted
A-weighted
1.3
0.9
0.6
W
W
0.44
W (min)
LS
THD+N
Loudspeaker Harmonic Distortion
0.4
%
LS
EFF
Efficiency
84
%
PSRR
LS
Power Supply Rejection Ration
(Loudspeaker)
54
dB
SNR
LS
Signal to Noise Ratio
76
dB
e
N
V
OS
HEADPHONE AMPLIFIER
P
HP
Output Noise
Offset Voltage
350
7
μV
mV
Headphone Power
32
load, 3.3V, SE
33
20
mW
(min)
mW
mW
mW
mW
mW
16
load, 3.3V, SE
32
load, 3.3V, OCL, VCM = 1.5V
32
load, 3.3V, OCL, VCM = 1.2V
16
load, 3.3V, OCL, VCM = 1.5V
16
load, 3.3V, OCL, VCM = 1.2V
AUX inputs terminated
C
BYPASS
= 1.0 μF
V
RIPPLE
= 200 mV
P-P
f
RIPPLE
= 217 Hz
SE Mode
OCL Mode
VCM = 1.2V
OCL Mode
VCM = 1.5V
52
31
20
50
32
PSRR
HP
Power Supply Rejection Ratio
(Headphones)
60
dB
68
dB
65
dB
L
www.national.com
9
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LM49350RL/NOPB 制造商:Texas Instruments 功能描述:Audio Codec IC
LM49350RLEVAL 功能描述:音頻 IC 開發(fā)工具 LM49350RL EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
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