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参数资料
型号： MAX9879ERV+
厂商： MAXIM INTEGRATED PRODUCTS INC
元件分类： 音频控制
英文描述： Stereo Class D Audio Subsystem with DirectDrive Headphone Amplifier; Package: UCSP (R);30 pin;6 mm² ; Temperature: -40°C to +85°C
中文描述： 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PBGA30
封装： 2.50 X 3 MM, 0.50 MM PITCH, ROHS COMPLAINT, UCSP-30
文件页数： 3/31页
文件大小： 539K
代理商： MAX9879ERV+
MAX9879
Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
______________________________________________________________________________________
11
Typical Operating Characteristics (continued)
(VDD = VPVDDL = VPVDDR = 3.7V, VCCIO = 1.8V, VGND = VPGNDL = VPGNDR = 0. Single-ended inputs, preamp = 0dB, volume con-
trols = 0dB, BYPASS = 0, SHDN = 1. Speaker loads connected between OUT_+ and OUT_-. Headphone loads connected from HPL
or HPR to GND. RSPK = ∞, RHP = ∞. C1 = C2 = CBIAS = 1F. TA = +25°C, unless otherwise noted.)
MAX9879 toc21
2ms/div
SCL
2V/div
OUT+ - OUT-
1V/div
SDA
2V/div
HEADPHONE AMPLIFIERS (Speaker Disabled)
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9879
toc27
OUTPUT POWER (mW)
THD+N
(%)
20
80
40
0.1
1
0.01
10
0.001
060
100
VDD = 3.7V
RL = 16
Ω
fIN = 100Hz
fIN = 1kHz
fIN = 6kHz
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9879
toc28
OUTPUT POWER (mW)
THD+N
(%)
40
30
50
0.1
10
0.01
100
0.001
020
70
10
60
VDD = 3.0V
RL = 32
Ω
fIN = 1kHz
fIN = 6kHz
fIN = 100Hz
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9879
toc29
OUTPUT POWER (mW)
THD+N
(%)
40
30
50
0.1
10
0.01
100
0.001
020
60
10
VDD = 3.0V
RL = 16
Ω
fIN = 1kHz
fIN = 6kHz
fIN = 100Hz
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9879
toc24
FREQUENCY (kHz)
THD+N
(%)
1
0.1
10
0.1
1
0.01
10
0.001
0.01
100
VDD = 3.0V
RL = 32
Ω
OUTPUT POWER = 30mW
OUTPUT POWER = 10mW
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9879
toc25
FREQUENCY (kHz)
THD+N
(%)
1
0.1
10
0.1
1
0.01
10
0.001
0.01
100
VDD = 3.0V
RL = 16
Ω
OUTPUT POWER = 7mW
OUTPUT POWER = 22mW
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9879
toc26
FREQUENCY (kHz)
THD+N
(%)
1
0.1
10
0.1
1
0.01
10
0.001
0.01
100
VDD = 3.7V
RL = 32
Ω
fIN = 1kHz
fIN = 6kHz
fIN = 100Hz
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9879
toc22
FREQUENCY (kHz)
THD+N
(%)
10
1
0.1
0.01
0.1
1
10
0.001
0.01
100
VDD = 3.7V
RL = 32
Ω
OUTPUT POWER = 20mW
OUTPUT POWER = 45mW
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE NOISE)
MAX9879
toc23
FREQUENCY (kHz)
THD+N
(%)
1
0.1
10
0.1
1
0.01
10
0.001
0.01
100
VDD = 3.7V
RL = 16
Ω
OUTPUT POWER = 10mW
OUTPUT POWER = 40mW
相关PDF资料
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相关代理商/技术参数
参数描述
MAX9879ERV+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
MAX9879EVKIT+ 功能描述:音频放大器 Stereo Class D Audio Subsystem with DirectDrive Headphone 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
MAX987ESA 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel
MAX987ESA+ 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel
MAX987ESA+T 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel
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