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LM4921ITL/NOPB

更新时间： 2024-02-25 05:47:23
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德州仪器 - TI 消费电路商用集成电路
页数 文件大小 规格书
26页 1083K
描述
LM4921 Low Voltage I2S 16-Bit Stereo DAC

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LM4921ITL/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：BGA
包装说明：VFBGA, BGA20,4X5,20针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.04
Is Samacsys：N商用集成电路类型：CONSUMER CIRCUIT
JESD-30 代码：R-XBGA-B20JESD-609代码：e1
长度：2.72 mm湿度敏感等级：1
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：VFBGA
封装等效代码：BGA20,4X5,20封装形状：RECTANGULAR
封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH峰值回流温度（摄氏度）：260
电源：3,3/5 V认证状态：Not Qualified
座面最大高度：0.675 mm子类别：Audio/Video Amplifiers
最大压摆率：10 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：2.6 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Tin/Silver/Copper (Sn/Ag/Cu)
端子形式：BALL端子节距：0.5 mm
端子位置：BOTTOM处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：2.2 mmBase Number Matches：1

LM4921ITL/NOPB 数据手册

 浏览型号LM4921ITL/NOPB的Datasheet PDF文件第4页浏览型号LM4921ITL/NOPB的Datasheet PDF文件第5页浏览型号LM4921ITL/NOPB的Datasheet PDF文件第6页浏览型号LM4921ITL/NOPB的Datasheet PDF文件第8页浏览型号LM4921ITL/NOPB的Datasheet PDF文件第9页浏览型号LM4921ITL/NOPB的Datasheet PDF文件第10页 
LM4921  
www.ti.com  
SNAS178E –JULY 2003–REVISED MAY 2013  
Electrical Characteristics DVDD = 3.0V, AVDD = 3.0V, RL = 32Ω(1)(2)  
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for TA = 25°C.  
LM4921  
Limit(4)(5)  
Units  
(Limits)  
Symbol  
Parameter  
Conditions  
Typical(3)  
3.0  
(6)  
(6)  
DVDD  
Digital Power Supply Voltage  
Analog Power Supply Voltage  
See  
See  
V
V
AVDD  
DIDD  
3.0  
Digital Power Supply Quiescent  
Current  
RLoad = ∞, fMLCK = 11.2896MHz  
RLoad = ∞, fMCLK = 0MHz  
3.5  
7.5  
9.0  
mA (max)  
AIDD  
ISD  
Analog Power Supply Quiescent  
Current  
5
mA (max)  
Total Shutdown Power Supply  
Current  
SHUTDOWN SPI bits 1 & 2 set to  
logic 0,  
1
uA(max)  
uA  
SPI, MCLK and I2S inputs at GND  
ISB  
Standby Current  
Analog and Digital together  
All clocks off  
15  
VFS  
Full-Scale Output Voltage  
Gain set at max  
2.6  
0.05  
VP-P  
%
THD+N  
Total Harmonic Distortion + Noise  
fIN = 1kHz, POUT = 12mW  
(Vol Cont = 11011, I2S input adj to  
get 12mW at output)  
PO  
Headphone Amplifier Output Power  
Power Supply Rejection Ratio  
Signal-to-Noise Ratio  
THD = (0.5%), fOUT = 1kHz  
26  
52  
79  
mW (min)  
dB (min)  
dB  
AVDD CBYPASS = 2.0µF  
VRIPPLE = 200mVP-P 217Hz  
PSRR  
SNR  
fIN = 1kHz sinewave at -60dBFS  
A-weighted-fCONV = 44.1kHz  
,
,
DR  
Dynamic Range  
fIN = 1kHz sinewave at -60dBFS  
A-weighted  
81  
dB  
ΔACH-CH  
Channel-to-Channel Gain Mismatch  
Channel-to-Channel Crosstalk  
fIN = 1kHz  
0.06  
72  
dB  
dB  
XTALK  
fCONV = 44.1kHz,  
fIN = 1kHz sinewave at -3dBFS  
Volume Control Range  
Minimum Attenuation  
Maximum Attenuation  
0
dB  
dB  
-43.5  
Volume Control Control Step Size  
Mute Attenuation  
1.5  
dB  
dB  
-100  
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for  
which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical  
specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the  
Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication  
of device performance.  
(2) All voltages are measured with respect to the GND pin, unless otherwise specified.  
(3) Typicals are measured at 25°C and represent the parametric norm.  
(4) Limits are specified to AOQL (Average Outgoing Quality Level).  
(5) Datasheet min/max specification limits are specified by design, test, or statistical analysis.  
(6) Best operation is achieved by maintaining 3.0V ≤ AVDD ≤ 5.0V and 3.0V ≤ DVDD ≤ 5.0V.  
Copyright © 2003–2013, Texas Instruments Incorporated  
Submit Documentation Feedback  
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Product Folder Links: LM4921  
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