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| 型号： | MAX9729ETI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 24/28页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO .052W STER 28TQFN |
| 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： | AB 类 |
| 输出类型： | 耳机，2-通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 52mW x 2 @ 32 欧姆 |
| 电源电压： | 1.8 V ~ 3.6 V |
| 特点： | 带低音增强模式，消除爆音，I²C，输入多路复用器，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： | 28-TQFN-EP（5x5） |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
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MAX9729
Stereo Headphone Amplifier with BassMax,
Volume Control, and Input Mux
_______________________________________________________________________________________
5
TIMING CHARACTERISTICS
(VDD = PVDD = SHDN = 3V, PGND = SGND = 0V, C1 = C2 = C3 = 1F, BM_ = 0V, maximum gain setting = 6dB, volume setting = -16dB
(overall gain = -10dB), BassMax disabled. Load connected between OUT_ and PGND where specified. TA = TMIN to TMAX, unless other-
wise noted. Typical values are at TA = +25°C.) (Notes 1 and 6)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Serial Clock Frequency
fSCL
0
400
kHz
Bus Free Time Between a STOP and a
START Condition
tBUF
1.3
s
Hold Time Repeated for a START
Condition
tHD:STA
0.6
s
Low Period of the SCL Clock
tLOW
1.3
s
High Period of the SCL Clock
tHIGH
0.6
s
Setup Time for a Repeated START
Condition
tSU:STA
0.6
s
Data Hold Time
tHD:DAT
0
0.9
s
Data Setup Time
tSU:DAT
100
ns
Rise Time of Both SDA and SCL Signals
tr
300
ns
Fall Time of Both SDA and SCL Signals
tf
300
ns
Setup Time for STOP Condition
tSU:STO
0.6
s
Pulse Width of Suppressed Spike
tSP
50
ns
Capacitive Load for Each Bus Line
CL_BUS
400
pF
ELECTRICAL CHARACTERISTICS (2.4V Supply) (continued)
(VDD = PVDD = SHDN = 2.4V, PGND = SGND = 0V, C1 = C2 = C3 = 1F, BM_ = 0V, maximum gain setting = 6dB, volume attenuation
setting = -16dB (overall gain = -10dB), BassMax disabled. Load connected between OUT_ and PGND where specified. THD+N
measurement BW = 22Hz to 22kHz. TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
BW = 22Hz to 22kHz
98
Signal-to-Noise Ratio
SNR
RL = 32
Ω,
VOUT = 1VRMS,
overall gain =
3.5dB
BW = 22Hz to 22kHz
and A-weighted
101
dB
Into shutdown
79
Click-and-Pop Level
KCP
Peak voltage,
A-weighted,
32 samples per
second
(Notes 3 and 5)
Out of shutdown
79
dBV
Note 1: All specifications are 100% tested at TA = +25°C. Temperature limits are guaranteed by design.
Note 2: VDD and PVDD must be connected together.
Note 3: Inputs AC-coupled to SGND.
Note 4: Both channels loaded and driven in phase.
Note 5: Headphone testing performed with a 32Ω resistive load connected to PGND. Mode transitions are controlled by SHDN. KCP
level is calculated as 20log[(peak voltage during mode transition, no input signal)/1VRMS]. Units are expressed in dBV.
Note 6: Guaranteed by design.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9729EVCMAXQU+ | 功能描述:音频放大器 Evaluation Kit/Evaluation System for the MAX9729 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 |
| MAX9729EVKIT+ | 功能描述:音频放大器 Evaluation Kit/Evaluation System for the MAX9729 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 |
| MAX972C/D | 功能描述:校验器 IC 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 |
| MAX972CPA | 功能描述:校验器 IC Dual 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 |
| MAX972CPA+ | 功能描述:校验器 IC Dual 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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