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參數(shù)資料
| 型號： | MAX9770EUI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.2W Low-EMI, Filterless, Mono Class D Amplifier with Stereo DirectDrive Headphone Amplifiers |
| 中文描述： | 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO28 |
| 封裝： | 4.40 MM, MO-153AE, TSSOP-28 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 493K |
| 代理商： | MAX9770EUI |
M
1.2W Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= PV
DD
= CPV
DD
= 3.3V, GND = PGND = CPGND = 0V,
SHDN
= 3.3V, C1 = C2 = 1μF, C
BIAS
= 0.047μF, SYNC = GND, R
L
=
∞
,
speaker load connected between OUT+ and OUT-, headphone load connected between HPOUT_ and GND, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
A
= +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
SNR
CONDITIONS
MIN
TYP
85.9
1100
1450
MAX
UNITS
dB
Signal-to-Noise Ratio
R
L
= 8
, V
OUT
= 2V
RMS
, A-weighted
SYNC = GND
SYNC = FLOAT
980
1280
1220
1620
Output Switching Frequency
F
S
SYNC = V
DD
1220
±
120kHz
kHz
SYNC Frequency Lock Range
Efficiency
800
2000
kHz
%
η
P
O
= 1000mW, f = 1kHz
GAIN1 = 0, GAIN2 = 0
GAIN1 = 0, GAIN2 = 1
GAIN1 = 1, GAIN2 = 0
GAIN1 = 1, GAIN2 = 1
85
6
3
9
0
Gain
A
V
dB
Gain Accuracy
±
5
%
Speaker Path Off-Isolation
HPS = V
DD
, headphone amplifier active,
f = 1kHz
102
dB
HEADPHONE AMPLIFIER (GAIN1 = 1, GAIN2 = 0, HPS = V
DD
)
Output Offset Voltage
V
OS
±
5
76
85
82
56
55
40
60
80
±
10
mV
V
DD
= 2.5V to 5.5V
V
RIPPLE
= 200mV
P-P
, f = 217kHz
V
RIPPLE
= 200mV
P-P
, f = 1kHz
V
RIPPLE
= 200mV
P-P
, f = 20kHz
65
Power-Supply Rejection Ratio
PSRR
(Note 3)
dB
R
L
= 32
R
L
= 16
R
L
= 32
R
L
= 16
40
V
DD
= 3.3V
Output Power
P
OUT
f = 1kHz,
THD+N = 1%
V
DD
= 5V
mW
R
L
= 32
, P
OUT
= 50mW, f = 1kHz
R
L
= 16
, P
OUT
= 35mW, f = 1kHz
R
L
= 32
, V
OUT
= 300mV
RMS
,
BW = 22Hz to 22kHz
0.015
0.03
Total Harmonic Distortion Plus
Noise
THD+N
%
Signal-to-Noise Ratio
SNR
101
dB
Crosstalk
Between channels, f = 1kHz,
V
IN
= 200mV
P-P
80
dB
Headphone Off-Isolation
HPS = GND, speaker amplifier active,
f = 1kHz
96
dB
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MAX9770EUI+ | 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9770EUI+T | 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9770EVKIT | 功能描述:音頻 IC 開發(fā)工具 Programmers, Development Systems 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 |
| MAX9772EBA | 制造商:Maxim Integrated Products 功能描述:1.2WLOW-EMIFILTERLESSMONO CLASS - Rail/Tube |
| MAX9772EBA-T | 制造商:Maxim Integrated Products 功能描述:1.2W,LOW-EMI,FILTERLESS,MONO CLASS D AMP. W S - Tape and Reel |
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