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| 型号： | MAX9776ETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 35/38页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 1.5W D 32TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | DirectDrive® |
| 类型： | D 类 |
| 输出类型： | 1-通道（单声道），带立体声耳机 |
| 在某负载时最大输出功率 x 通道数量： | 1.5W x 1 @ 4 欧姆; 60mW x 2 @ 16 欧姆 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 特点： | 消除爆音，差分输入，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： | 32-TQFN-EP（5x5） |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 配用： | MAX9776EVKIT+-ND - EVALUATION KIT FOR MAX9776 |
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MAX9775/MAX9776
2 x 1.5W, Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD = CPVDD = 3.3V, VGND = VPGND = VCPGND = 0V, SHDN = VDD, I2C settings (INA gain = +20dB, INB gain = INC gain =
0dB, volume setting = 0dB, mono path gain = 0dB, SHDN = 1, SSM = 1). Speaker load resistors (RLSP) are terminated between
OUT_+ and OUT_-, headphone load resistors are terminated to GND, unless otherwise noted. C1 = C2 = C3 = 1F. TA = TMIN to
TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SDA, SCL Input Capacitance
CIN
10
pF
Input Leakage Current
IIN
0.3
5.0
A
Pulse Width of Spike Suppressed
tSP
50
ns
DIGITAL OUTPUTS (SDA Open Drain)
Output Low Voltage SDA
VOL
ISINK = 6mA
0.4
V
Output Fall Time SDA
tOF
VH(MIN) to VL(MAX) bus capacitance =
10pF to 400pF, ISINK = 3mA
250
ns
I2C INTERFACE TIMING (Note 7)
Serial Clock Frequency
fSCL
DC
400
kHz
Bus Free Time Between STOP
and START Conditions
tBUF
1.3
s
START Condition Hold
tHD:STA
0.6
s
STOP Condition Setup Time
tSU:STA
0.6
s
Clock Low Period
tLOW
1.3
s
Clock High Period
tHIGH
0.6
s
Data Setup Time
tSU:DAT
100
ns
Data Hold Time
tHD:DAT
0
900
ns
Maximum Receive SCL/SDA Rise
Time
tR
300
ns
Maximum Receive SCL/SDA Fall
Time
tF
300
ns
Setup Time for STOP Condition
tSU:STO
0.6
s
Capacitive Load for Each Bus
Line
Cb
400
pF
Note 1: All devices are 100% production tested at room temperature. All temperature limits are guaranteed by design.
Note 2: Measured at headphone outputs.
Note 3: Amplifier inputs AC-coupled to GND.
Note 4: Testing performed with a resistive load in series with an inductor to simulate an actual speaker load. For RL = 8Ω, L = 68H;
for RL = 4Ω, L = 47H.
Note 5: MAX9775 only.
Note 6: Testing performed at room temperature with an 8
Ω resistive load in series with a 68H inductive load connected across BTL
outputs for speaker amplifier. Testing performed with a 32
Ω resistive load connected between OUT_ and GND for head-
phone amplifier. Testing performed with 32
Ω resistive load connected between OUTRx and GND for mono receiver amplifi-
er. Mode transitions are controlled by I2C.
Note 7: Guaranteed by design.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9776EVKIT+ | 功能描述:音频 IC 开发工具 MAX9776 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 |
| MAX9777ETI+ | 功能描述:音频放大器 Integrated Circuits (ICs) 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 |
| MAX9777ETI+T | 功能描述:音频放大器 Integrated Circuits (ICs) 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 |
| MAX9778ETI+ | 功能描述:音频放大器 Integrated Circuits (ICs) 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 |
| MAX9778ETI+T | 功能描述:音频放大器 Integrated Circuits (ICs) 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 |
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