参数资料
型号: MAX9875ERP+T
厂商: Maxim Integrated Products
文件页数: 2/30页
文件大小: 0K
描述: IC AUDIO SUBSYSTEM 20UCSP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: DirectDrive®
类型: D 类
输出类型: 1-通道(单声道),带立体声耳机
在某负载时最大输出功率 x 通道数量: 825mW x 1 @ 4 欧姆; 53mW x 2 @ 16 欧姆
电源电压: 2.7 V ~ 5.25 V
特点: 消除爆音,差分输入,I²C,静音,短路和热保护,关机,音量控制
安装类型: 表面贴装
供应商设备封装: 20-UCSP
封装/外壳: 20-WFBGA,CSPBGA
包装: 带卷 (TR)
MAX9875
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
10
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = VPVDD = 3.7V, VGND = VPGND = 0V. Single-ended inputs, preamp gain = 0dB, volume controls = 0dB, OSC = 00, SHDN = 1.
Speaker loads (ZSPK) connected between OUT+ and OUT-. Headphone loads (RHP) connected from HPL or HPR to GND. ZSPK =
∞, RHP = ∞. C1 = C2 = CBIAS = 1F. TA = +25°C, unless otherwise noted.)
IN-BAND OUTPUT SPECTRUM
MAX9875
toc28
FREQUENCY (kHz)
AMPLITUDE
(dBV)
15
10
5
0
-140
-80
-40
-120
-20
-60
-100
020
fOSC = 1100kHz
fIN = 1kHz
IN-BAND OUTPUT SPECTRUM
MAX9875
toc29
FREQUENCY (kHz)
AMPLITUDE
(dBV)
15
10
5
0
-140
-80
-40
-120
-20
-60
-100
020
fOSC = 700kHz
fIN = 1kHz
EFFICIENCY
vs. OUTPUT POWER
MAX9875
toc22
OUTPUT POWER (mW)
EFFICIENCY
(%)
100
0
50
60
10
80
30
70
20
90
40
01000
600
400
800
200
VDD = VPVDD = 3V
fIN = 1kHz
DASHED LINES ARE LIMITED
BY THE ABS. MAX RATINGS
ZSPK = 8 + 68H
ZSPK = 4 + 33H
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9875
toc23
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
5.0
4.5
4.0
3.5
3.0
2.0
2.5
0.5
1.0
1.5
3.0
3.5
0
2.5
5.5
10% THD+N
1% THD+N
VDD = VPVDD
ZSPK = 4 + 33H
DASHED LINES ARE LIMITED
BY THE ABS. MAX RATINGS
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9875
toc24
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
5.0
4.5
4.0
3.5
3.0
2.0
0.2
0.8
0.6
1.2
1.0
1.6
0.4
1.8
1.4
0
2.5
5.5
VDD = VPVDD
ZSPK = 8 + 68H
10% THD+N
1% THD+N
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9875
toc25
LOAD RESISTANCE (
)
OUTPUT
POWER
(W)
1.8
0.2
0.8
0.6
1.2
1.0
1.6
0.4
1.4
0
0100
70
40
10
80
50
20
90
60
30
VDD = VPVDD = 3.7V
fIN = 1kHz
ZSPK = LOAD + 68
H
10% THD+N
1% THD+N
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9875
toc26
LOAD RESISTANCE (
)
OUTPUT
POWER
(W)
1.2
0.2
0.8
0.6
1.0
0.4
0
0100
70
40
10
80
50
20
90
60
30
VDD = VPVDD = 3V
fIN = 1kHz
ZSPK = LOAD + 68
H
10% THD+N
1% THD+N
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9875
toc27
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-70
-60
-40
-30
-10
-80
-50
-20
0
-100
10
100k
VDD = VPVDD = 3.7V
VRIPPLE = 100mVP-P
INPUTS AC-COUPLED TO GND
相关PDF资料
PDF描述
MAX9877AERP+T IC SUBSYSTEM MONO AUD 20MAXFILM
MAX9877EWP+TG45 IC AUDIO SUBSYSTEM 20-WLP
MAX9879ERV+T IC AUDIO SUBSYSTEM 30-UCSP
MAX987EUK-T IC COMP MICRPWR R-R I/O SOT23-5
MAX9888EWY+T IC CODEC AUDIO FLEXSOUND 63WLP
相关代理商/技术参数
参数描述
MAX9877AERP+T 功能描述:音频放大器 Audio Subsystem w/DirectDrive 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
MAX9877AEWP+G45 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX9877AEWP+TG45 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX9877EBP+G45 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX9877EBP+TG45 制造商:Maxim Integrated Products 功能描述: