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参数资料
| 型号： | MAX9853ETM+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 60/71页 |
| 文件大小： | 0K |
| 描述： | IC CODEC AUDIO STEREO 48TQFN |
| 标准包装： | 2,500 |
| 类型： | 立体声音频 |
| 数据接口： | 串行 |
| 分辨率（位）： | 18 b |
| ADC / DAC 数量： | 2 / 2 |
| 三角积分调变： | 是 |
| S/N 比，标准 ADC / DAC (db)： | 81.5 / 88 |
| 动态范围，标准 ADC / DAC (db)： | 82 / 87.5 |
| 电压 - 电源，模拟： | 2.6 V ~ 3.3 V |
| 电压 - 电源，数字： | 1.7 V ~ 3.3 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-WFQFN 裸露焊盘 |
| 供应商设备封装： | 48-TQFN-EP（7x7） |
| 包装： | 带卷 (TR) |
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MAX9851/MAX9853
Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
______________________________________________________________________________________
63
Read Data Format
Send the slave address with the R/W bit set to 1 to initi-
ate a read operation. The MAX9851/MAX9853 acknowl-
edge receipt of its slave address by pulling SDA low
during the ninth SCL clock pulse. A START command
followed by a read command resets the address pointer
to register 0x00. The first byte transmitted from the
MAX9851/MAX9853 will be the contents of register 0x00.
Transmitted data is valid on the rising edge of the mas-
ter-generated serial clock (SCL). The address pointer
autoincrements after each read data byte. This autoin-
crement feature allows all registers to be read sequen-
tially within one continuous frame. A STOP condition can
be issued after any number of read data bytes. If a STOP
condition is issued followed by another read operation,
the first data byte to be read will be from register 0x00
and subsequent reads will autoincrement the address
pointer until the next STOP condition. The address point-
er can be preset to a specific register before a read
command is issued. The master presets the address
pointer by first sending the MAX9851/MAX9853’s slave
address with the R/W bit set to 0 followed by the register
address. A REPEATED START condition is then sent fol-
lowed by the slave address with the R/W bit set to 1. The
MAX9851/MAX9853 transmit the contents of the speci-
fied register. The address pointer auto-increments after
transmitting the first byte. Attempting to read from regis-
ter addresses higher than 0x1F results in repeated reads
of 0x1F. Note that 0x1C to 0x1F are reserved registers.
The master acknowledges receipt of each read byte dur-
ing the acknowledge clock pulse. The master must
acknowledge all correctly received bytes except the last
byte. The final byte must be followed by a not acknowl-
edge from the master and then a STOP condition. Figure
15 illustrates the frame format for reading one byte from
the MAX9851/MAX9853. Figure 16 illustrates the frame
format for reading multiple bytes from the MAX9851/
MAX9853.
ACKNOWLEDGE FROM MAX9851/
MAX9853
1 BYTE
AUTO-INCREMENT INTERNAL
REGISTER ADDRESS POINTER
ACKNOWLEDGE FROM MAX9851/
MAX9853
NOT ACKNOWLEDGE FROM MASTER
A
P
A
0
ACKNOWLEDGE FROM MAX9851/
MAX9853
R/W
SA
R/W
REPEATED START
Sr
1
SLAVE ADDRESS
REGISTER ADDRESS
SLAVE ADDRESS
DATA BYTE
Figure 15. Reading One Indexed Byte of Data from the MAX9851/MAX9853
ACKNOWLEDGE FROM MAX9851/
MAX9853
1 BYTE
AUTO-INCREMENT INTERNAL
REGISTER ADDRESS POINTER
ACKNOWLEDGE FROM MAX9851/
MAX9853
A
AP
0
ACKNOWLEDGE FROM MAX9851/
MAX9853
R/W
SA
R/W
REPEATED START
Sr
1
SLAVE ADDRESS
REGISTER ADDRESS
SLAVE ADDRESS
DATA BYTE
Figure 16. Reading n-Bytes of Indexed Data from the MAX9851/MAX9853
相关PDF资料 |
PDF描述 |
|---|---|
| MAX9853ETM+ | IC CODEC AUDIO STEREO 48TQFN |
| VE-23Y-IV-F1 | CONVERTER MOD DC/DC 3.3V 99W |
| VE-23X-IX-F4 | CONVERTER MOD DC/DC 5.2V 75W |
| VE-23X-IX-F3 | CONVERTER MOD DC/DC 5.2V 75W |
| VE-23X-IX-F2 | CONVERTER MOD DC/DC 5.2V 75W |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9853EVCMODU | 功能描述:音频 IC 开发工具 Evaluation Kit/Evaluation System for the MAX9853 RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MAX9853EVKIT | 功能描述:音频 IC 开发工具 Evaluation Kit/Evaluation System for the MAX9853 RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MAX9856ATL/V+ | 功能描述:接口—CODEC Low-Power Audio Codec With Directdrive. Headphone Amplifiers RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| MAX9856ATL/V+T | 功能描述:接口—CODEC Low-Power Audio Codec With Directdrive. Headphone Amplifiers RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| MAX9856ETL/V+ | 功能描述:接口—CODEC Low-Power Audio Codec With Directdrive. Headphone Amplifiers RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
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