參數(shù)資料
型號: MAX9757ETJ+
廠商: Maxim Integrated Products
文件頁數(shù): 3/31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
______________________________________________________________________________________
11
Typical Operating Characteristics (continued)
(VDD = PVDD = HPVDD = CPVDD = IN = +5.0V, GND = PGND = CPGND = 0V, SHDN = VDD, REGEN = DR = SET = GND, CBIAS =
1F, CPVSS = 1F, C1 = C2 = 1F, PREF = unconnected, GAIN1 = 1, GAIN2 = GAIN3 = VOL = 0V, measurement BW = 22Hz to
22kHz, TA = +25°C, unless otherwise noted.)
OUTPUT NOISE
vs. FREQUENCY (LDO)
MAX9756
toc41
FREQUENCY (Hz)
NOISE
(
V)
10k
1k
100
20
30
40
50
60
70
80
90
100
110
10
100k
COUT = 2
F
10Hz TO 100kHz
LINE-TRANSIENT RESPONSE
MAX9756 toc42
40
s/div
VIN
500mV/div
4.5V
5.5V
LDO_OUT
20mV/div
LOAD-TRANSIENT RESPONSE
MAX9756 toc43
20
s/div
50V
0V
ILOAD
25mV/div
LDO_OUT = 4.65V
20mV/div
LDO SHUTDOWN RESPONSE
MAX9756 toc44
100ms/div
REGEN
5V/div
LDO_OUT
1V/div
Pin Description
PIN
MAX9756
MAX9757
MAX9758
NAME
FUNCTION
1
32
INL
Left-Channel Audio Input
2
1
GAIN1
Gain Control Input 1
3
2
GAIN2
Gain Control Input 2
4
3
GAIN3
Gain Control Input 3
5
4
BEEP
Audible Alert Beep Input
6, 22
5, 21
PGND
Power Ground
7
6
OUTL+
Left-Channel Positive Speaker Output
8
7
OUTL-
Left-Channel Negative Speaker Output
9,19
8,18
8, 18
PVDD
Speaker Amplifier Power Supply. Bypass with 1F ceramic capacitor to PGND.
相關(guān)PDF資料
PDF描述
MAX9750BETI+ IC AMP AUDIO PWR 2.6W AB 28TQFN
MS27656E13F8PC CONN RCPT 8POS WALL MNT W/PINS
AD7683BCPZRL IC ADC 16BIT 100KSPS 8LFCSP
LTC2366HTS8#TRMPBF IC ADC 12BIT 3MSPS TSOT23-8
D38999/24JH55SALC CONN HSG RCPT 55POS JAM NUT SCKT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9757ETJ+ 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
MAX9757ETJ+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
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