參數(shù)資料
型號: MAX9776ETJ+T
廠商: Maxim Integrated Products
文件頁數(shù): 33/38頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 1.5W D 32TQFN
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: 1-通道(單聲道),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 1 @ 4 歐姆; 60mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 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: 32-TQFN-EP(5x5)
封裝/外殼: 32-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
配用: MAX9776EVKIT+-ND - EVALUATION KIT FOR MAX9776
MAX9775/MAX9776
2 x 1.5W, Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
4
_______________________________________________________________________________________
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)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RECEIVER AMPLIFIER
Output Offset Voltage
VOS
TA = +25°C
±1.8
±5.5
mV
Into shutdown
-62
Into mute
-67
Out of shutdown
-63
Click-and-Pop Level
KCP
Peak voltage, TA =
+25°C, A-weighted,
32 samples per
second (Notes 3, 6)
Out of mute
-66
dB
VDD = 2.7V to 5.5V
58
80
f = 217Hz,
100mVP-P ripple
80
f = 1kHz,
100mVP-P ripple
70
Power-Supply Rejection Ratio
(Note 3)
PSRR
TA = +25°C
f = 20kHz,
100mVP-P ripple
62
dB
RL = 16
Ω
60
Output Power
POUT
TA = +25°C,
THD+N = 1%
RL = 32
Ω
50
mW
Gain
AV
3dB
RL = 16
Ω (VOUT = 800mVRMS, f = 1kHz)
0.03
Total Harmonic Distortion Plus
Noise
THD+N
RL = 32
Ω (VOUT = 800mVRMS, f = 1kHz)
0.024
%
BW = 20Hz to 20kHz
87
Signal-to-Noise Ratio
SNR
RL = 16
Ω, VOUT =
800mVRMS (Note 3)
A-weighted
89
dB
Slew Rate
SR
0.3
V/s
Capacitive Drive
CL
300
pF
HEADPHONE AMPLIFIERS
Output Offset Voltage
VOS
TA = +25°C
±1.8
±5.5
mV
Into shutdown
-61
Into mute
-65
Out of shutdown
-60
Click-and-Pop Level
KCP
Peak voltage, TA =
+25°C, A-weighted,
32 samples per
second (Notes 2, 4)
Out of mute
-64
dB
Contact
±4
ESD Protection
HP_
Air
±8
kV
VDD = 2.7V to 5.5V
58
80
f = 217Hz,
100mVP-P ripple
80
f = 1kHz,
100mVP-P ripple
70
Power-Supply Rejection Ratio
(Note 3)
PSRR
TA = +25°C
f = 20kHz,
100mVP-P ripple
62
dB
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