參數(shù)資料
型號(hào): MAX9770ETI+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 20/22頁(yè)
文件大小: 0K
描述: IC AMP AUDIO 1.2W MONO D 28TQFN
標(biāo)準(zhǔn)包裝: 60
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(shí)最大輸出功率 x 通道數(shù)量: 1.2W x 1 @ 8 歐姆; 80mW x 2 @ 16 歐姆
電源電壓: 2.5 V ~ 5.5 V
特點(diǎn): 消除爆音,輸入多路復(fù)用器,靜音,短路和熱保護(hù),關(guān)機(jī)
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
MAX9770
1.2W, Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(VDD = 3.3V, BW = 22Hz to 22kHz, GAIN1 = 1, GAIN2 = 0, spread-spectrum mode, headphone outputs in phase, unless otherwise
noted.)
1M
10M
100M
WIDEBAND OUTPUT SPECTRUM
(SPEAKER MODE)
MAX9770
toc19
FREQUENCY (Hz)
SSM MODE
RBW = 10kHz
40
-60
-40
MAGNITUDE
(dBV)
-20
0
20
10
-10
-30
-50
30
STARTUP WAVEFORM
(SPEAKER MODE)
MAX9770 toc20
4ms/div
SHDN
2V/div
OUT+ - OUT-
500mV/div
RL = 8
Ω
f = 1kHz
MIXER OUTPUT (SPEAKER MODE)
MAX9770 toc21
400
μs/div
10kHz
1V/div
4kHz
1V/div
1kHz
2V/div
IN1_
IN2_
MONO
OUT
1V/div
10
0.001
10
100
10k
100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
0.01
0.1
1
MAX9770
toc22
FREQUENCY (Hz)
THD+N
(%)
1k
POUT = 10mW
POUT = 50mW
VDD = 5V
RL = 16
Ω
10
0.001
10
100
10k
100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
0.01
0.1
1
MAX9770
toc23
FREQUENCY (Hz)
THD+N
(%)
1k
POUT = 10mW
POUT = 50mW
VDD = 5V
RL = 32
Ω
10
0.001
10
100
10k
100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
0.01
0.1
1
MAX9770
toc24
FREQUENCY (Hz)
THD+N
(%)
1k
POUT = 10mW
POUT = 35mW
RL = 16
Ω
10
0.001
10
100
10k
100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
0.01
0.1
1
MAX9770
toc25
FREQUENCY (Hz)
THD+N
(%)
1k
POUT = 10mW
POUT = 50mW
RL = 32
Ω
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MAX9770ETI+ 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9770ETI+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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9770EUI 制造商:Rochester Electronics LLC 功能描述:
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(fēng)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel