參數(shù)資料
型號(hào)： MAX9775EBX+TG45
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 19/38頁(yè)
文件大小： 0K
描述： IC AMP AUDIO PWR 1.5W STER 36WLP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
系列： DirectDrive®
類型： D 類
輸出類型： 2-通道（立體聲）帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： 1.5W x 2 @ 4 歐姆; 60mW x 2 @ 16 歐姆
電源電壓： 2.7 V ~ 5.5 V
特點(diǎn)： 3D，消除爆音，差分輸入，I²C，靜音，短路和熱保護(hù)，關(guān)機(jī)，音量控制
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 36-WLP
封裝/外殼： 36-UFBGA，WLCSP
包裝： 帶卷 (TR)
MAX9775/MAX9776
Bit Transfer
One data bit is transferred during each SCL cycle. The
data on SDA must remain stable during the high period
of the SCL pulse. Changes in SDA while SCL is high
are control signals (see the
START and STOP
Conditions section). SDA and SCL idle high when the
I2C bus is not busy.
START and STOP Conditions
A master device initiates communication by issuing a
START condition. A START condition is a high-to-low
transition on SDA with SCL high. A STOP condition is a
low-to-high transition on SDA while SCL is high (Figure
9). A START (S) condition from the master signals the
beginning of a transmission to the MAX9775/MAX9776.
The master terminates transmission, and frees the bus,
by issuing a STOP (P) condition. The bus remains active
if a REPEATED START (Sr) condition is generated
instead of a STOP condition.
Early STOP Conditions
The MAX9775/MAX9776 recognize a STOP condition at
any point during data transmission except if the STOP
condition occurs in the same high pulse as a START
condition.
Slave Address
The MAX9775/MAX9776 are available with one preset
slave address (see Table 1). The address is defined as
the seven most significant bits (MSBs) followed by the
Read/Write bit. The address is the first byte of informa-
tion sent to the MAX9775/MAX9776 after the START
condition. The MAX9775/MAX9776 are slave devices
only capable of being written to. The Read/Write bit
should be a zero when configuring the MAX9775/
MAX9776.
Acknowledge
The acknowledge bit (ACK) is a clocked 9th bit that the
MAX9775/MAX9776 use to handshake receipt of each
byte of data (see Figure 10). The MAX9775/MAX9776
pull down SDA during the master-generated 9th clock
pulse. Monitoring ACK allows for detection of unsuc-
cessful data transfers. An unsuccessful data transfer
occurs if a receiving device is busy or if a system fault
has occurred. In the event of an unsuccessful data
transfer, the bus master may reattempt communications.
2 x 1.5W, Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
26
______________________________________________________________________________________
SCL
SDA
SSr
P
Figure 9. START, STOP, and REPEATED START Conditions
1
SCL
START
CONDITION
SDA
28
9
CLOCK PULSE FOR
ACKNOWLEDGMENT
ACKNOWLEDGE
NOT ACKNOWLEDGE
SLAVE ADDRESS
PART
A6
A5
A4
A3
A2
A1
A0
R/W
MAX9775
1
0
1
0
MAX9776
1
0
1
0
1
0
Figure 10. Acknowledge
Table 1. MAX9775/MAX9776 Address Map
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9776EBX+TG45 功能描述:音頻放大器 2 x 1.5W Stereo Class D Subsystem 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9776ETJ+ 功能描述:音頻放大器 2 x 1.5W Stereo Class D Subsystem 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9776ETJ+T 功能描述:音頻放大器 2 x 1.5W Stereo Class D Subsystem 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9776EVKIT+ 功能描述:音頻 IC 開(kāi)發(fā)工具 MAX9776 Eval Kit 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
MAX9777ETI+ 功能描述:音頻放大器 Integrated Circuits (ICs) 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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