參數(shù)資料
型號: MAX9776EBX+TG45
廠商: Maxim Integrated Products
文件頁數(shù): 20/38頁
文件大小: 0K
描述: IC AMP AUDIO PWR 1.5W MONO 36WLP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
系列: DirectDrive®
類型: D 類
輸出類型: 1-通道(單聲道),帶立體聲耳機
在某負載時最大輸出功率 x 通道數(shù)量: 1.5W x 1 @ 4 歐姆; 60mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點: 消除爆音,差分輸入,I²C,靜音,短路和熱保護,關機,音量控制
安裝類型: 表面貼裝
供應商設備封裝: 36-WLP
封裝/外殼: 36-UFBGA,WLCSP
包裝: 帶卷 (TR)
配用: MAX9776EVKIT+-ND - EVALUATION KIT FOR MAX9776
Write Data Format
A write to the MAX9775/MAX9776 includes transmis-
sion of a START condition, the slave address with the
R/W bit set to 0 (Table 1), one byte of data to configure
the Command Register, and a STOP condition. Figure
11 illustrates the proper format for one frame.
The MAX9775/MAX9776 only accept write data, but
they acknowledge the receipt of the address byte with
the R/W bit set high. The MAX9775/MAX9776 do not
write to the SDA bus in the event that the R/W bit is set
high. Subsequently, the master reads all 1’s from the
MAX9775/MAX9776. Always set the R/W bit to zero to
avoid this situation.
Programming the MAX9775/MAX9776
The MAX9775/MAX9776 are programmed through 6
control registers. Each register is addressed by the 3
MSBs (B5–B7) followed by 5 configure bits (B0–B4) as
shown in Table 2. Correct programming of the
MAX9775/MAX9776 requires writing to all 6 control reg-
isters. Upon power-on, their default settings are as list-
ed in Table 3.
MAX9775/MAX9776
2 x 1.5W, Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
______________________________________________________________________________________
27
S
ACK
0
ACKNOWLEDGE FROM
MAX9775/MAX9776
R/W
ACKNOWLEDGE
FROM MAX9775/MAX9776
B7 B6 B5 B4 B3 B2
COMMAND BYTE IS STORED ON
RECEIPT OF STOP CONDITION
ACK
P
B1 B0
SLAVE ADDRESS
COMMAND BYTE
Figure 11. Write Data Format Example
B7
B6
B5
B4
B3
B2
B1
B0
FUNCTION
COMMAND
DATA
Input Mode Control
0
INA+20dB
INMODE (Tables 5a and 5b)
Mono Volume Control
0
1
MVOL (Table 7)
Left Volume Control
0
1
0
LVOL (Table 7)
Right Volume Control
0
1
RVOL (Table 7)
Output Mode Control
1
0
MONO+6dB
OUTMODE (Table 9)
Global Control Register
1
0
1
SHDN
IN+6dB
MUTE
SSM
3D/MONO
Table 2. Control Registers
COMMAND
DATA
DESCRIPTION
Input Mode (000)
10000
Input A gain = +20dB; input A, B, and C singled-ended stereo inputs
Mono Volume (001)
11111
Maximum volume
Left Volume (010)
11111
Maximum volume
Right Volume (011)
11111
Maximum volume
Output Mode (100)
01000
0dB of extra mono gain, mode 8: stereo headphone, stereo speaker
Global Control Register (101)
00011
Powered-off, input B/C gain = 0dB, MUTE off, SSM on, 3D/MONO on
Table 3. Power-On Reset Conditions
相關PDF資料
PDF描述
MS27508E18B11S CONN RCPT 11POS BOX MNT W/SCKT
MS3106F16-10P CONN PLUG 3POS STRAIGHT W/PINS
MAX13330GEE/V+T IC AMP STEREO HEADPHONE 16-QSOP
LTC2480HDD#TRPBF IC ADC DELTA SIGMA 16BIT 10DFN
MAX9789BETJ+T IC AMP AUDIO 2W STER AB 32TQFN
相關代理商/技術參數(shù)
參數(shù)描述
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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9776EVKIT+ 功能描述:音頻 IC 開發(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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9777ETI+T 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel