參數(shù)資料
型號: MAX9789BETJ+
廠商: Maxim Integrated Products
文件頁數(shù): 27/28頁
文件大小: 0K
描述: IC AMP AUDIO 2W STER AB 32TQFN
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 60
系列: DirectDrive®
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: 2W x 2 @ 4 歐姆; 100mW x 2 @ 16 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點: 消除爆音,靜音,短路保護和熱保護,關(guān)機
安裝類型: 表面貼裝
供應商設(shè)備封裝: 32-TQFN-EP(5x5)
封裝/外殼: 32-WFQFN 裸露焊盤
包裝: 管件
SPEAKER SHUTDOWN WAVEFORM
MAX9789 toc20
20ms/div
2V/div
5V/div
100mV/div
OUT_+ AND OUT_-
OUT_+ - OUT_-
SPKR_EN
Typical Operating Characteristics (continued)
(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.)
MAX9789/MAX9790
Windows Vista-Compliant, Stereo Class AB Speaker
Amplifiers and DirectDrive Headphone Amplifiers
8
_______________________________________________________________________________________
SPEAKER STARTUP WAVEFORM
MAX9789 toc18
20ms/div
2V/div
OUT_+ AND OUT_-
OUT_+ - OUT_-
5V/div
SPKR_EN
100mV/div
MAX9789A/MAX9789C/MAX9790A
SPEAKER STARTUP WAVEFORM
MAX9789 toc19
20ms/div
OUT_+ AND OUT_-
2V/div
OUT_+ - OUT_-
100mV/div
SPKR_EN
5V/div
MAX9789B/MAX9790B
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9789
toc21
FREQUENCY (Hz)
THD+N
(dB
FS)
10k
1k
100
-105
-95
-85
-75
-65
-110
-100
-90
-80
-70
10
100k
FS = 0.300VRMS
RL = 32
Ω
VOUT = -3dB FS
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9789
toc22
FREQUENCY (Hz)
THD+N
(dB
FS)
10k
1k
100
-105
-95
-85
-75
-65
-110
-100
-90
-80
-70
10
100k
HPVDD = 3V
FS = 0.300VRMS
RL = 32
Ω
VOUT = -3dB FS
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9789
toc23
FREQUENCY (Hz)
THD+N
(dB
FS)
10k
1k
100
-105
-95
-85
-75
-65
-110
-100
-90
-80
-70
10
100k
FS = 0.300VRMS
RL = 16
Ω
VOUT = -3dB FS
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9789
toc24
FREQUENCY (Hz)
THD+N
(dB
FS)
10k
1k
100
-105
-95
-85
-75
-65
-110
-100
-90
-80
-70
10
100k
HPVDD = 3V
FS = 0.300VRMS
RL = 16
Ω
VOUT = -3dB FS
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參數(shù)描述
MAX9789BETJ+ 功能描述:音頻放大器 Windows Vista Class AB Speaker Amp 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
MAX9789BETJ+T 功能描述:音頻放大器 Windows Vista Class AB Speaker Amp 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
MAX9789CETJ+ 功能描述:音頻放大器 Windows Vista Class AB Speaker Amp 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
MAX9789CETJ+T 功能描述:音頻放大器 Windows Vista Class AB Speaker Amp 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
MAX978EEE 功能描述:校驗器 IC Quad High 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 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel