- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄358867 > LM4921 (National Semiconductor Corporation) Low Voltage I2S 16-Bit Stereo DAC with Stereo Headphone Power Amplifiers and Volume Control PDF資料下載
參數(shù)資料
| 型號： | LM4921 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Low Voltage I2S 16-Bit Stereo DAC with Stereo Headphone Power Amplifiers and Volume Control |
| 中文描述： | 低電壓的I2S 16位立體聲DAC立體聲耳機功率放大器和音量控制 |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 849K |
| 代理商： | LM4921 |
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility
Human body model (Note 4)
Machine model (Note 5)
6.0V
65C to +150C
-0.3V to V
DD
+ 0.3V
Internally Limited
2000V
200V
Junction Temperature
Thermal Resistance
θ
JA
150C
60C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
DV
DD
AV
DD
40C
≤
T
A
≤
85C
2.6V
≤
DV
DD
≤
5.0V
2.6V
≤
AV
DD
≤
5.5V
Electrical Characteristics DV
DD
= 3.0V, AV
DD
= 5.0V, R
L
= 32
(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
LM4921
Units
(Limits)
Typical
(Note 6)
3.0
5.0
3.5
Limit
(Notes 7, 9)
DV
DD
AV
DD
DI
DD
Digital Power Supply Voltage
Analog Power Supply Voltage
Digital Power Supply Quiescent
Current
Analog Power Supply Quiescent
Current
Total Shutdown Power Supply
Current
Note 8
Note 8
R
Load
=
∞
, f
MLCK
= 11.2896MHz
V
V
7.5
mA (max)
AI
DD
R
Load
=
∞
, f
MCLK
= 0MHz
6
10
mA (max)
I
SD
SHUTDOWN SPI bits 1 & 2 set to
logic 0,
SPI, M
CLK
and I
2
S inputs at GND
Analog and Digital together
All clocks off
Gain set at max
f
IN
= 1kHz, P
OUT
= 12mW
(Vol Control = 11111, I
2
S input adj
to get 12mW at output)
1
5
uA(max)
I
SB
Standby Current
25
uA
V
FS
THD+N
Full-Scale Output Voltage
Total Harmonic Distortion + Noise
3.5
V
P-P
0.03
%
P
O
Headphone Amplifier Output Power THD = (0.5%), f
OUT
= 1kHz
50
40
mW (min)
PSRR
Power Supply Rejection Ratio
AV
DD
C
BYPASS
= 2.0μF
V
RIPPLE
= 200mV
P-P
217Hz
f
IN
= 1kHz sinewave at -60dB
FS
,
A-weighted-f
CONV
= 44.1kHz
f
IN
= 1kHz sinewave at -60dB
FS
,
A-weighted
62
45
dB (min)
SNR
Signal-to-Noise Ratio
82
dB
DR
Dynamic Range
84
dB
A
CH-CH
X
TALK
Channel-to-Channel Gain Mismatch f
IN
= 1kHz
Channel-to-Channel Crosstalk
0.06
dB
f
CONV
= 44.1kHz,
f
IN
= 1kHz sinewave at -3dB
FS
Minimum Attenuation
Maximum Attenuation
72
dB
Volume Control Range
+3.0
-43.5
1.5
-102
dB
dB
dB
dB
Volume Control Control Step Size
Mute Attenuation
L
www.national.com
5
相關PDF資料 |
PDF描述 |
|---|---|
| LM4923 | 1.1 Watt Fully Differential Audio Power Amplifier With Shutdown Select |
| LM4923LQ | 1.1 Watt Fully Differential Audio Power Amplifier With Shutdown Select |
| LM4925 | Single Audio Amplifier |
| LM4925MM | Single Audio Amplifier |
| LM4925SD | Single Audio Amplifier |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM4921ITL | 制造商:Texas Instruments 功能描述:16BIT STEREO DAC + AMP SMD 4921 |
| LM4921ITL/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4921ITLEVAL | 功能描述:音頻 IC 開發(fā)工具 LM4921ITL EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| LM4921ITLX | 制造商:Texas Instruments 功能描述:IC,Audio Amplifier,DUAL,BGA,20PIN,PLASTIC |
| LM4921ITLX/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
發(fā)布緊急采購，3分鐘左右您將得到回復。