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: 2/31页
文件大小: 539K
代理商: MAX9879ERV+
MAX9879
Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
10
______________________________________________________________________________________
OUTPUT FREQUENCY SPECTRUM
SPEAKER MODE
MAX9879
toc17
FREQUENCY (kHz)
OUTPUT
MAGNITUDE
(dBV)
5
-20
-80
-60
-120
-100
-40
0
-140
020
10
15
VOUT = -60dBV
f = 1kHz
RL = 8
Ω
UNWEIGHTED
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.)
OUTPUT POWER vs. LOAD
MAX9879
toc14
LOAD (
Ω)
OUPUT
POWER
(mW)
10
800
200
600
400
1000
0
1
100
f = 1kHz
THD+N = 10%
THD+N = 1%
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (SPEAKER MODE)
MAX9879
toc15
FREQUENCY (kHz)
PSRR
(dB)
0.1
-60
-90
-50
-80
-40
-70
-30
-20
-10
0
-100
0.01
100
110
RL = 8
Ω
VRIPPLE = 100mVP-P
INPUTS AC GROUNDED
RIGHT
LEFT
CROSSTALK vs. FREQUENCY
MAX9879
toc16
FREQUENCY (kHz)
CROSSTALK
(dB)
10
1
0.1
-100
-80
-60
-40
-20
0
-120
0.01
100
RIGHT TO LEFT
LEFT TO RIGHT
RL = 8
Ω
VIN = 1VP-P
WIDEBAND FREQUENCY SPECTRUM
(SPEAKER MODE)
MAX9879
toc18
FREQUENCY (MHz)
OUTPUT
MAGNITUDE
(dBV)
-10
-60
-70
-50
-100
-80
-30
-20
-110
-90
-40
0
-120
0100
110
RBW = 1kHz
INPUT AC GROUNDED
MAX9879 toc19
400
μs/div
OUT+ - OUT-
1V/div
SHDN
1V/div
SPEAKER AMPLIFIERS (Headphone Disabled)
MAX9879 toc20
2ms/div
SCL
2V/div
SDA
2V/div
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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