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参数资料
| 型号： | MAX9768BETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/26页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO 10W MONO D 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | D 类 |
| 输出类型： | 1-通道（单声道） |
| 在某负载时最大输出功率 x 通道数量： | 10W x 1 @ 8 欧姆 |
| 电源电压： | 4.5 V ~ 14 V |
| 特点： | 消除爆音，I²C，静音，短路和热保护，关机，音量控制 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 包装： | 标准包装 |
| 其它名称： | MAX9768BETG+TDKR |
Write Data Format
A write to the MAX9768 includes transmission of a
START condition, the slave address with the R/W bit set
to 0 (see Table 3), one byte of data to the command
register, and a STOP condition. Figure 6 illustrates the
proper format for one frame.
Volume Control
The command register is used to control the volume
level of the speaker amplifier. The two MSBs (D7 and
D6) should be set to 00 to choose the speaker register.
V5–V0 is the volume control data that will be written into
the addresses register to set the volume level (see
Tables 5 and 6).
For a write byte operation, the master sends a single byte
to the slave device (MAX9768). This is done as follows:
1) The master sends a start condition.
2) The master sends the 7-bit slave ID plus a write bit
(low).
3) The addressed slave asserts an ACK on the data
line.
4) The master sends 8 data bits.
5) The active slave asserts an ACK (or NACK) on the
data line.
6) The master generates a stop condition.
MAX9768
10W Mono Class D Speaker
Amplifier with Volume Control
______________________________________________________________________________________
17
Table 3. Slave Address Block
SA7 (MSB)
SA6
SA5
SA4
SA3
SA2
SA1
SA0 (LSB)
1
0
1
0
ADDR2
ADDR1
R/W
Table 4. Slave Address
ADDR2
ADDR1
SLAVE ADDRESS
0
Disabled
0
1
1001001_
1
0
1001010_
1
1001011_
1
SCL
START
CONDITION
SDA
28
9
CLOCK PULSE FOR
ACKNOWLEDGMENT
ACKNOWLEDGE
NOT ACKNOWLEDGE
Figure 5. Acknowledge
S
SLAVE ADDRESS
7 bits
WRITE BYTE FORMAT
WR
ACK
DATA
8 bits
ACK
P
DATA BYTE: GIVES A COMMAND.
SLAVE ADDRESS:
EQUIVALENT TO CHIP-
SELECT LINE OF A 3-
WIRE INTERFACE.
0
Figure 6. Write Data Format Example
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9768ETG+ | 功能描述:音频放大器 10W Mono Class D Speaker RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9768ETG+T | 功能描述:音频放大器 10W Mono Class D Speaker RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9768EVCMAXQU+ | 功能描述:音频放大器 Evaluation Kit/Evaluation System for the MAX9768 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9768EVKIT+ | 功能描述:音频 IC 开发工具 MAX9768 Eval Kit 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 |
| MAX976ESA | 功能描述:校验器 IC Dual High Speed Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
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