參數(shù)資料
型號： MAX9777ETI+T
廠商： Maxim Integrated Products
文件頁數(shù)： 12/27頁
文件大?。?/td> 0K
描述： IC AMP AUDIO PWR 2.6W AB 28TQFN
標(biāo)準(zhǔn)包裝： 2,500
類型： AB 類
輸出類型： 2-通道（立體聲）帶立體聲耳機
在某負載時最大輸出功率 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： 消除爆音，I²C，輸入多路復(fù)用器，靜音，關(guān)機，熱保護
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： 帶卷 (TR)
MAX9777/MAX9778
Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
2
_
__
_
A
AB
BS
SO
OL
LU
UT
TE
E M
MA
AX
XIIM
MU
UM
M R
RA
AT
TIIN
NG
GS
S
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDD to GND ...........................................................................+6V
PVDD to VDD .......................................................................±0.3V
PGND to GND.....................................................................±0.3V
All Other Pins to GND.................................-0.3V to (VDD + 0.3V)
Continuous Input Current (into any pin except power-supply
and output pins) ...............................................................±20mA
OUT__ Short Circuit to GND, VDD ..........................................10s
Short Circuit Between OUT_+ and OUT_- .................Continuous
Continuous Power Dissipation (TA = +70°C)
28-Pin TQFN, Multilayer Board
(derate 34.5mW/°C above +70°C) ..........................2758.6mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(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
Supply Voltage Range
VDD/PVDD Inferred from PSRR test
4.5
5.5
V
BTL mode, HPS = 0V, MAX9777/MAX9778
13
32
Quiescent Supply Current
(IVDD + IPVDD)
IDD
Single-ended mode, HPS = VDD
718
mA
Shutdown Current
ISHDN
SHDN = GND
10
50
A
Switching Time
tSW
Gain or input switching
10
s
CBIAS = 1F
300
Turn-On Time
tON
CBIAS = 0.1F
30
ms
Thermal Shutdown Threshold
+160
oC
Thermal Shutdown Hysteresis
15
oC
OUTPUT AMPLIFIERS (SPEAKER MODE, HPS = GND)
Output Offset Voltage
VOS
OUT_+ - OUT_-, AV = 1V/V
±4
±32
mV
VDD = 4.5V to 5.5V
75
100
f = 1kHz, VRIPPLE = 200mVP-P
82
Power-Supply Rejection Ratio
(Note 2)
PSRR
f = 20kHz, VRIPPLE = 200mVP-P
70
dB
RL = 8
1.4
RL = 4
2.6
Output Power
POUT
fIN = 1kHz,
THD+N < 1%,
TA = +25°C
RL = 3
3
W
POUT = 1W, RL = 8
0.005
Total Harmonic Distortion Plus
Noise
THD+N
fIN = 1kHz, BW =
22Hz to 22kHz
POUT = 2W, RL = 4
0.01
%
Signal-to-Noise Ratio
SNR
RL = 8
, POUT = 1W, BW = 22Hz to 22kHz
95
dB
Slew Rate
SR
1.6
V/s
Maximum Capacitive Load Drive
CL
No sustained oscillations
1
nF
Crosstalk
fIN = 10kHz
73
dB
Into shutdown
-50
Click/Pop Level
KCP
Peak voltage, A-weighted,
32 samples per second
(Notes 2, 6)
Out of shutdown
-65
dBV
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
MAX9779ETI+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
MAX977EEE 功能描述:校驗器 IC 3V/5V Dual-Speed Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
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