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参数资料
型号： MAX9758ETJ+
厂商： Maxim Integrated Products
文件页数： 23/31页
文件大小： 0K
描述： IC AMP AUDIO PWR 2.3W AB 32TQFN
标准包装： 60
系列： DirectDrive®
类型： AB 类
输出类型： 2-通道（立体声）带立体声耳机
在某负载时最大输出功率 x 通道数量： 2.3W x 2 @ 3 欧姆; 130mW x 2 @ 16 欧姆
电源电压： 4.5 V ~ 5.5 V
特点： 消除爆音，短路保护和热保护，关机，音量控制
安装类型： 表面贴装
供应商设备封装： 32-TQFN-EP（5x5）
封装/外壳： 32-WFQFN 裸露焊盘
包装： 管件
MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
_______________________________________________________________________________________
3
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
Noise
Vn
BW = 22Hz to 22kHz, unweighted,
measured at output, input at AC GND
71
VRMS
Capacitive-Load Drive
CL
No sustained oscillations
200
pF
Crosstalk
L to R, R to L, f = 10kHz
80
dB
Slew Rate
SR
Measured between OUT_+ and OUT_-
1.3
V/s
GAIN3 = 0
GAIN2 = 0
GAIN1 = 0
15
GAIN3 = 0
GAIN2 = 0
GAIN1 = 1
16.5
GAIN3 = 0
GAIN2 = 1
GAIN1 = 0
18
GAIN3 = 0
GAIN2 = 1
GAIN1 = 1
19.5
GAIN3 = 1
GAIN2 = 0
GAIN1 = 0
21
GAIN3 = 1
GAIN2 = 0
GAIN1 = 1
22.5
GAIN3 = 1
GAIN2 = 1
GAIN1 = 0
24.0
Gain (Maximum Volume Settings)
(Note 4)
AVMAX
(SPKR)
GAIN3 = 1
GAIN2 = 1
GAIN1 = 1
25.5
dB
Into
shutdown
65
Click-and-Pop Level
KCP
Peak voltage, 32
samples/second,
A weighted (Note 5)
Out of
shutdown
38.5
dBV
HEADPHONE AMPLIFIERS (HPS = VDD)
Output Offset Voltage
VOS(HP)
TA = +25°C
±2
±7
mV
HPVDD = 3V to 5.5V, TA = +25°C
70
90
f = 1kHz, VRIPPLE = 200mVP-P
72
Power-Supply Rejection Ratio
(Note 2)
PSRR
f = 10kHz, VRIPPLE = 200mVP-P
70
dB
RL = 32
40
68
Output Power (Note 3)
POUT
THD+N = 1%, f = 1kHz
(TA = +25°C)
RL = 16
130
mW
RL = 32
, VOUT = 1VRMS, f = 1kHz
0.02
Total Harmonic Distortion Plus
Noise
THD+N
RL = 16
, VOUT = 1VRMS, f = 1kHz
0.04
%
RL = 32
, BTL POUT = 65mW,
BW = 22Hz to 22kHz, unweighted
97
Signal-to-Noise Ratio
SNR
RL = 32
, BTL POUT = 65W,
BW = 22Hz to 22kHz, A weighted
100
dB
Noise
Vn
BW = 22Hz to 22kHz
20.4
VRMS
Capacitive-Load Drive
CL
No sustained oscillations
200
pF
Crosstalk
L to R, R to L, f = 10kHz
60
dB
Slew Rate
SR
1.4
V/s
GAIN2 = 0, HPS = 1
0
Gain (Maximum Volume Settings)
(Note 6)
AVMAX(HP)
GAIN2 = 1, HPS = 1
3.0
dB
Into shutdown
62
Click-and-Pop Level
KCP
Peak voltage, 32
samples/second,
A weighted (Note 4)
Out of shutdown
50
dBV
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相关代理商/技术参数
参数描述
MAX9758ETJ+ 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX9758ETJ+T 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX9759ETE+ 功能描述:音频放大器 3.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX9759ETE+T 功能描述:音频放大器 3.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX9759EUE+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
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