參數(shù)資料
型號(hào): MAX9758ETJ+
廠商: Maxim Integrated Products
文件頁數(shù): 26/31頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 2.3W AB 32TQFN
標(biāo)準(zhǔn)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(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 2.3W x 2 @ 3 歐姆; 130mW x 2 @ 16 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點(diǎn): 消除爆音,短路保護(hù)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: 管件
MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD = HPVDD = CPVDD = IN = +5.0V, GND = PGND = CPGND = 0, SHDN = VDD, REGEN = VDD, DR = SET = GND, CBIAS
= 1F, CPVSS = 1F, C1 = C2 = 1F, PREF = unconnected, speaker loads terminated between OUT_+ and OUT_-, headphone load
terminated between HP_ and GND, GAIN1 = GAIN2 = GAIN3 = VOL = 0 (AV(SP) = 15dB, AV(HP) = 0dB), TA = -40°C to +85°C, unless
otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CHARGE PUMP
Charge-Pump Frequency
fOSC
500
550
600
kHz
VOLUME CONTROL
VOL Input Impedance
RVOL
100
M
VOL Input Hysteresis
10
mV
Full Mute Voltage
(Note 7)
0.858 x
HPVDD
V
Full Mute Attenuation
fIN = 1kHz
-85
dB
Input Impedance
RVOL_
Any gain setting
100
M
AV = +15dB to 0dB
±0.2
AV = -2dB to -20dB
±0.3
Channel Matching
AV = -22dB to -56dB
±1.0
dB
BEEP INPUT
Beep Signal Amplitude Threshold
TA = +25°C, RB = 47k
(see BEEP Input
section)
0.3
V
Beep Signal Frequency
Threshold
TA = +25°C
300
Hz
AUTOMATIC LEVEL CONTROL SPEAKER AMPLIFIER (MAX9756/MAX9757)
PREF Threshold Accuracy
RPREF = 180k
5
8.1
%
Maximum Gain Compression
6.0
6.3
dB
Attack Time
CT = 1F (Note 8)
15
ms
Hold Time
Time between attack and release phases
50
ms
0V < VDR < (0.3V x VDD)30
0.4V < VDR < (0.6V x VDD)
9.5
Release Time (Note 9)
CT = 1F,
release from
6dB
0.8V < VDR < VDD
3
s
DR INPUT (TRI-STATE INPUT)
DR Input Voltage High
VDRH
0.8 x
VDD
V
DR Input Voltage Middle
VDRM
0.4 x
VDD
0.6 x
VDD
V
DR Input Voltage Low
VDRL
0
0.3 x
VDD
V
Input Leakage Current
0V
≤ VDR ≤ VDD
±1
A
LOGIC INPUTS (GAIN_,
SHDN, REGEN)
Input High Voltage
VIH
2V
Input Low Voltage
VIL
0.8
V
Input Leakage Current
IIN
±1
A
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MAX9758ETJ+ 功能描述:音頻放大器 Integrated Circuits (ICs) 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
MAX9758ETJ+T 功能描述:音頻放大器 Integrated Circuits (ICs) 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
MAX9759ETE+ 功能描述:音頻放大器 3.2W 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
MAX9759ETE+T 功能描述:音頻放大器 3.2W 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
MAX9759EUE+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube