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參數(shù)資料
型號(hào): MAX9777ETI+
廠商: Maxim Integrated Products
文件頁數(shù): 21/27頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 2.6W AB 28TQFN
標(biāo)準(zhǔn)包裝: 60
類型: AB 類
輸出類型: 2-通道(立體聲)帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 2.6W x 2 @ 4 歐姆; 200mW x 2 @ 16 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點(diǎn): 消除爆音,I²C,輸入多路復(fù)用器,靜音,關(guān)機(jī),熱保護(hù)
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
封裝/外殼: 28-WFQFN 裸露焊盤
包裝: 管件
MAX9777/MAX9778
Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
_
__
_
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD = 5.0V, GND = PGND = 0V, VSHDN = 5V, CBIAS = 1F, RIN = RF = 15k, RL = ∞. TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT AMPLIFIERS (HEADPHONE MODE, HPS = VDD)
VDD = 4.5V to 5.5V
75
106
f = 1kHz, VRIPPLE = 200mVP-P
88
Power-Supply Rejection Ratio
(Note 2)
PSRR
f = 20kHz, VRIPPLE = 200mVP-P
76
dB
RL = 32
88
Output Power
POUT
fIN = 1kHz, THD+N <
1%, TA = +25°C
RL = 16
200
mW
POUT = 60mW,
RL = 32
0.002
Total Harmonic Distortion Plus
Noise
THD+N
fIN = 1kHz,
BW = 22Hz to 22kHz
POUT = 125mW,
RL = 16
0.002
%
Signal-to-Noise Ratio
SNR
RL = 32
, BW = 22Hz to 22kHz,
VOUT = 1VRMS
92
dB
Slew Rate
SR
1.8
V/s
Maximum Capacitive Load Drive
CL
No sustained oscillations
2
nF
Crosstalk
fIN = 10kHz
78
dB
BIAS VOLTAGE (BIAS)
BIAS Voltage
VBIAS
2.35
2.5
2.65
V
Output Resistance
RBIAS
50
k
DIGITAL INPUTS (MUTE,
SHDN, HPS_EN, GAINA/B, IN1111/2)
Input-Voltage High
VIH
2V
Input-Voltage Low
VIL
0.8
V
Input Leakage Current
IIN
±1A
HEADPHONE SENSE INPUT (HPS)
Input-Voltage High
VIH
0.9 x
VDD
V
Input-Voltage Low
VIL
0.7 x
VDD
V
Input Leakage Current
IIN
±1A
Into shutdown
-70
Click/Pop Level
KCP
Peak voltage, A-weighted,
32 samples per second
(Notes 2, 4)
Out of shutdown
-52
dBV
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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
MAX9777ETI+T 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
MAX9778ETI+ 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
MAX9778ETI+T 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
MAX9779ETI+ 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