參數(shù)資料
型號: MAX9775EBX+TG45
廠商: Maxim Integrated Products
文件頁數(shù): 23/38頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 1.5W STER 36WLP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
系列: DirectDrive®
類型: D 類
輸出類型: 2-通道(立體聲)帶立體聲耳機(jī)
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 1.5W x 2 @ 4 歐姆; 60mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 3D,消除爆音,差分輸入,I²C,靜音,短路和熱保護(hù),關(guān)機(jī),音量控制
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 36-WLP
封裝/外殼: 36-UFBGA,WLCSP
包裝: 帶卷 (TR)
MAX9775/MAX9776
2 x 1.5W, Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SPEAKER AMPLIFIERS
TA = +25°C
±5.5
±23.5
Output Offset Voltage
VOS
TMIN
≤ TA ≤ TMAX
±40
mV
Into shutdown
-62
Out of shutdown
-60
Into mute
-63
Click-and-Pop Level
KCP
Peak voltage,
TA = +25°C,
A-weighted, 32
samples per second
(Notes 2, 3)
Out of mute
-62
dB
VDD = 2.7V to 5.5V
48
70
f = 217Hz,
100mVP-P ripple
68
f = 1kHz,
100mVP-P ripple
60
Power-Supply Rejection Ratio
(Note 3)
PSRR
TA = +25°C
f = 20kHz,
100mVP-P ripple
50
dB
RL = 4
Ω, VDD = 5V
1500
RL = 8
Ω, VDD = 3.3V
450
Output Power (Note 4)
POUT
THD+N = 1%,
TA = +25°C
RL = 8
Ω, VDD = 5V
1115
mW
Current Limit
1.6
A
RL = 8
Ω,
POUT = 125mW
0.03
Total Harmonic Distortion Plus
Noise (Note 4)
THD+N
f = 1kHz
RL = 4
Ω,
POUT = 250mW
0.04
%
BW = 20Hz to 20kHz
81
Signal-to-Noise Ratio
SNR
VOUT = 1.8VRMS,
RL = 8
Ω, 3D not
active (Note 3)
A-weighted
84
dB
Fixed-frequency modulation
1100
Output Frequency
fOSC
Spread-spectrum modulation
1100 ±30
kHz
Efficiency
η
POUT = 470mW, f = 1kHz both channels
driven, L = 68H in series with 8
Ω load
79
%
Gain
AV
12
dB
Channel-to-Channel Gain
Tracking (Note 5)
TA = +25°C
±1
%
3D Sound Resistors (Note 5)
R3D
Used with 22nF and 2.2nF external
capacitors
57
9
k
Ω
Crosstalk (Notes 4, 5)
L to R, R to L, f = 10kHz, RL = 8
Ω,
VOUT = 300mVRMS
73
dB
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)
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參數(shù)描述
MAX9776EBX+TG45 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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(fēng)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(fēng)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel