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參數資料
型號: MAX9789AEVKIT+
廠商: Maxim Integrated Products
文件頁數: 25/28頁
文件大小: 0K
描述: EVALUATION KIT FOR MAX9789A
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
系列: DirectDrive®
放大器類型: AB 類
輸出類型: 2-通道(立體聲)帶立體聲耳機和超低音器
在某負載時最大輸出功率 x 通道數量: 2W x 2 @ 4 歐姆; 100mW x 2 @ 16 歐姆
電源電壓: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
板類型: 完全填充
已用 IC / 零件: MAX9789A,MAX9790A
已供物品:
相關產品: MAX9789AETJ+T-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9790AETJ+T-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9790AETJ+-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9789AETJ+-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9789/MAX9790
Windows Vista-Compliant, Stereo Class AB Speaker
Amplifiers and DirectDrive Headphone Amplifiers
6
_______________________________________________________________________________________
Typical Operating Characteristics
(VDD = PVDD = CPVDD = HPVDD = LDO_EN = +5V, VGND = VPGND = VCPGND = VLDO_SET = 0V, C1 = C2 = CBIAS = CIN = 1F. RL =
∞, unless otherwise specified, GAIN1 = 0, GAIN2 = 1 (AVSP = 10dB, AVHP = 3.5dB), measurement BW = 20kHz AES17, TA = +25°C,
unless otherwise noted. Headphone mode: SPKR_EN = 1, HP_EN = 0. Speaker mode: SPKR_EN = 0, HP_EN = 1.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9789
toc01
FREQUENCY (Hz)
THD+N
(dB
FS)
10k
1k
100
-100
-90
-80
-70
-60
-110
10
100k
FS = 0.707VRMS
VOUT = -3dB FS
RL = 10k
Ω
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9789
toc02
FREQUENCY (Hz)
THD+N
(dB
FS)
10k
1k
100
-90
-80
-70
-60
-100
10
100k
HPVDD = 3V
FS = 0.707VRMS
VOUT = -3dB FS
RL = 10k
Ω
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT VOLTAGE (HEADPHONE MODE)
MAX9789
toc03
OUTPUT VOLTAGE (VRMS)
THD+N
(%)
1.5
1.0
0.5
0.01
0.1
1
10
0.001
0
2.0
RL = 10k
Ω
fIN = 20Hz
fIN = 10kHz
fIN = 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT VOLTAGE (HEADPHONE MODE)
MAX9789
toc04
OUTPUT VOLTAGE (VRMS)
THD+N
(%)
1.5
1.0
0.5
0.01
0.1
1
10
0.001
0
2.0
HPVDD = 3V
RL = 10k
Ω
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
CROSSTALK
vs. FREQUENCY (HEADPHONE MODE)
MAX9789
toc05
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-80
-90
-60
-40
-20
-70
-50
-30
-10
0
-100
10
100k
FS = 0.707VRMS
VOUT = -20dB FS
RL = 10k
Ω
LEFT TO RIGHT
RIGHT TO LEFT
HEADPHONE OUTPUT SPECTRUM
MAX9789
toc06
FREQUENCY (Hz)
CROSSTALK
(dB)
15k
10k
5k
-80
-90
-60
-40
-20
-70
-50
-30
-10
0
-140
-100
-110
-120
-130
0
20k
FS = 0.300VRMS
VOUT = -60dB FS
RL = 10k
Ω
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
MAX9789
toc07
FREQUENCY (Hz)
THD+N
(dB
FS)
1k
100
-90
-95
-85
-80
-75
-100
10
100k
10k
VOUT = -3dB FS
FS = 0.707VRMS
RL = 3
Ω
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
MAX9789
toc08
FREQUENCY (Hz)
THD+N
(dB
FS)
1k
100
-90
-95
-85
-80
-75
-100
10
100k
10k
VOUT = -3dB FS
FS = 0.707VRMS
RL = 4
Ω
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
MAX9789
toc09
FREQUENCY (Hz)
THD+N
(dB
FS)
1k
100
-90
-100
-95
-105
-85
-80
-75
-110
10
100k
10k
VOUT = -3dB FS
FS = 0.707VRMS
RL = 8
Ω
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相關代理商/技術參數
參數描述
MAX9789AEVKIT+ 功能描述:放大器 IC 開發工具 MAX9789A/90A Eval Kit RoHS:否 制造商:International Rectifier 產品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V
MAX9789BETJ+ 功能描述:音頻放大器 Windows Vista Class AB Speaker Amp RoHS:否 制造商:STMicroelectronics 產品: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
MAX9789BETJ+T 功能描述:音頻放大器 Windows Vista Class AB Speaker Amp RoHS:否 制造商:STMicroelectronics 產品: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
MAX9789CETJ+ 功能描述:音頻放大器 Windows Vista Class AB Speaker Amp RoHS:否 制造商:STMicroelectronics 產品: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
MAX9789CETJ+T 功能描述:音頻放大器 Windows Vista Class AB Speaker Amp RoHS:否 制造商:STMicroelectronics 產品: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
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