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: 31/31页
文件大小: 539K
代理商: MAX9879ERV+
MAX9879
Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
_______________________________________________________________________________________
9
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.)
SPEAKER AMPLIFIERS (Headphone Disabled)
THD+N vs. FREQUENCY SPEAKER
MAX9879
toc07
FREQUENCY (kHz)
THD+N
(%)
1
0.1
10
1
0.1
10
0.01
100
PVDD_= 3.7V
RL = 8
Ω
OUTPUT POWER = 200mW
OUTPUT POWER = 600mW
THD+N vs. FREQUENCY SPEAKER
MAX9879
toc08
FREQUENCY (kHz)
THD+N
(%)
1
0.1
10
1
0.1
10
0.01
100
PVDD_= 3.0V
RL = 8
Ω
OUTPUT POWER = 100mW
OUTPUT POWER = 400mW
THD+N vs. OUTPUT POWER
MAX9879
toc09
OUTPUT POWER (mW)
THD+N
(%)
800
200
400
1
0.1
10
0.01
0
1000
600
PVDD_ = 3.7V
RL = 8
Ω
fIN = 6kHz
fIN = 1kHz
fIN = 20Hz
THD+N vs. OUTPUT POWER
MAX9879
toc10
OUTPUT POWER (mW)
THD+N
(%)
200
500
600
1
0.1
10
0.01
0
700
300
400
100
PVDD_ = 3.0V
RL = 8
Ω
fIN = 6kHz
fIN = 1kHz
fIN = 20Hz
EFFICIENCY vs. OUTPUT POWER
MAX9879
toc12
OUTPUT POWER (mW)
EFFICIENCY
(%)
700
400
800
600
200
100
300
500
50
70
80
20
60
10
30
40
90
100
0
900
fIN = 1kHz, RL = 8
Ω
THD+N vs. OUTPUT POWER
MAX9879
toc11
OUTPUT POWER (mW)
THD+N
(%)
600
1
0.1
10
0.01
0
1000
800
200
400
PVDD_ = 3.7V
RL = 8
Ω
LEFT SPEAKER ONLY
fIN = 6kHz
fIN = 1kHz
fIN = 20Hz
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9879
toc13
SUPPLY VOTAGE (V)
OUPUT
POWER
(mW)
3.5
4.3
3.9
3.1
4.7
5.1
1000
1400
1600
400
1200
200
600
800
1800
2000
0
2.7
5.5
RL = 8
Ω
fIN = 1kHz
THD+N = 10%
THD+N = 1%
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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