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參數資料
| 型號： | MAX9728AETC+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 13/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO .06W STER AB 12TQFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 100 |
| 系列： | DirectDrive® |
| 類型： | AB 類 |
| 輸出類型： | 耳機，2-通道（立體聲） |
| 在某負載時最大輸出功率 x 通道數量： | 60mW x 2 @ 32 歐姆 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 特點： | 消除爆音，短路保護和熱保護，關閉 |
| 安裝類型： | 表面貼裝 |
| 供應商設備封裝： | 12-TQFN EP（3x3） |
| 封裝/外殼： | 12-TQFN 裸露焊盤 |
| 包裝： | 管件 |
| 產品目錄頁面： | 1392 (CN2011-ZH PDF) |
MAX9728A/MAX9728B
60mW, DirectDrive, Stereo Headphone
Amplifier with Shutdown
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 5V, PGND = SGND, SHDN = 5V, C1 = C2 = 1F, RL =
∞, resistive load reference to ground; for MAX9728A gain = -1.5V/V
(RIN = 20k
Ω, RF = 30kΩ); for MAX9728B gain = -1.5V/V (internally set), TA = -40°C to +85°C, unless otherwise noted. Typical values
are at TA = +25°C, unless otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
BW = 22Hz to 22kHz
102
RL = 1k
Ω,
VOUT = 2VRMS
A-weighted
105
BW = 22Hz to 22kHz
98
Signal-to-Noise Ratio
SNR
RL = 32
Ω,
POUT = 50mW
A-weighted
101
dB
Slew Rate
SR
0.5
V/s
Capacitive Drive
CL
No sustained oscillations
100
pF
Crosstalk
L to R, R to L, f = 10kHz, RL = 16
Ω, POUT =
15mW
-70
dB
Charge-Pump Oscillator
Frequency
fOSC
190
270
400
kHz
Into shutdown
-67
Click-and-Pop Level
KCP
RL = 32
Ω, peak voltage,
A-weighted, 32 samples per
second (Note 5)
Out of
shutdown
-64
dB
DIGITAL INPUTS (SHDN)
Input Voltage High
VINH
2V
Input Voltage Low
VINL
0.8
V
Input Leakage Current
±1
A
Note 3: All specifications are 100% tested at TA = +25°C; temperature limits are guaranteed by design.
Note 4: Gain for the MAX9728A is adjustable.
Note 5: Test performed with a 32
Ω resistive load connected to SGND. Mode transitions are controlled by SHDN. KCP level is calcu-
lated as 20log[(peak voltage during mode transition, no input signal)/(peak voltage under normal operation at rated power
level)]. Units are expressed in dB.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX9728AETC+ | 功能描述:音頻放大器 60mW DirectDrive Headphone Amplifier RoHS:否 制造商:STMicroelectronics 產品: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 |
| MAX9728AETC+T | 功能描述:音頻放大器 60mW DirectDrive Headphone Amplifier RoHS:否 制造商:STMicroelectronics 產品: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 |
| MAX9728AETC+TG104 | 制造商:Maxim Integrated Products 功能描述: |
| MAX9728AETC+TGA8 | 制造商:Maxim Integrated Products 功能描述: |
| MAX9728AEUD+ | 功能描述:音頻放大器 60mW DirectDrive Headphone Amplifier RoHS:否 制造商:STMicroelectronics 產品: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 |
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