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参数资料
型号： MAX9851EVCMODU
厂商： MAXIM INTEGRATED PRODUCTS INC
元件分类： 编解码器
英文描述： MAX9851评估板/评估系统
中文描述： PCM CODEC
文件页数： 5/73页
文件大小： 1357K
代理商： MAX9851EVCMODU
MAX9851/MAX9853
Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
______________________________________________________________________________________
13
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = CPVDD = +3V, DVDD = DVDDS2 = +1.8V, PVDD = +3.3V, RHP = 32, ZSPK = 8 + 10H, RREC = 32, ROUTL+ to ROUTL- =
10k, ROUTR+ to ROUTR- = 10k, C1 = 0.22F, C2 = CNREG = CPREG = CINTMICBIAS, CMBIAS = CREF = 1F, MCLK = 13MHz, all
PGAs = 0dB, HP/REC volume = -20.0dB, SPK volume = -20.4dB, line output gain = -0.4dB, TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.) (See Functional Diagrams/Typical Operating Circuits).
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MICROPHONE BIAS
INTMICBIAS Output Voltage
VMICBIAS
2.3
2.4
2.5
V
INTMICBIAS Load Regulation
IMICBIAS = 0 to 2mA
0.7
10
INTMICBIAS Minimum Capacitive
Load
1F
INTMICBIAS Short-Circuit Current
To AGND
15
mA
AVDD = 2.6V to 3.3V, TA = +25°C
72
dB
VRIPPLE = 100mV at 217Hz
85
dB
INTMICBIAS Power-Supply
Rejection Ratio
PSRR
VRIPPLE = 100mV at 10kHz
70
dB
f = 22Hz to 20kHz
2.8
VRMS
INTMICBIAS Noise Voltage
VNOISE
f = 1kHz
20
nV/
√Hz
2.2k
setting
2.00
2.42
k
EXTMICBIAS_ Output Impedance
REXTMIC
470
setting
425
515
EXTMICBIAS_ Off-Impedance
VEXTMICBIAS_ = 0 to 3.0V
1
2
M
LINE INPUT (Note 13)
Line Input Maximum Input
Voltage
2VP-P
Line Input Resistance
RIN
10
20
k
Line Channel-to-Channel Gain
Matching
AVMATCH
±1
%
PGA Gain Range
-34.0
+30.5
dB
HEADSET AUTO-DETECT (Normal Operation)
MIC Sense High Threshold
VTH1
MIC bias and bias resistor enabled
0.92 x
VMICBIAS
0.95 x
VMICBIAS
0.98 x
VMICBIAS
V
MIC Sense Low Threshold
VTH2
MIC bias and bias resistor enabled
0.06 x
VMICBIAS
0.1 x
VMICBIAS
0.17x
VMICBIAS
V
MIC Sense Deglitch Period
tGLITCH
Pulses shorter than tGLITCH1 are eliminated
20
ms
Headphone Sense Current
ISENSE
VHPL / VHPR = AGND (headphones disabled)
3.4
5
A
HPR/HPL (headphone amplifiers disabled)
AVDD
Headphone Sense Voltage
VSENSE
Test 2 (HPTEST = 1) - HPR only
0
V
Headphone Sense Threshold
VTH3
0.74 x
AVDD
0.73 x
AVDD
0.82 x
AVDD
V
SLEEP MODE (AVCC = 0V or 3V)
MIC Sense Current
IMIC
EXTMICBIASL = AGND
3
10
A
MIC Sense Voltage
VMIC
PVDD
V
MIC Sense Sleep Threshold
VTH4
Voltage at EXTMICBIASL
0.9
2
2.7
V
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相关代理商/技术参数
参数描述
MAX9851EVKIT 功能描述:音频 IC 开发工具 Evaluation Kit/Evaluation System for the MAX9851 RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
MAX9853ETM+ 功能描述:接口—CODEC Stereo Audio CODEC w/DirectDrive Amp RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel
MAX9853ETM+T 功能描述:接口—CODEC Stereo Audio CODEC w/DirectDrive Amp RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel
MAX9853EVCMODU 功能描述:音频 IC 开发工具 Evaluation Kit/Evaluation System for the MAX9853 RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
MAX9853EVKIT 功能描述:音频 IC 开发工具 Evaluation Kit/Evaluation System for the MAX9853 RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
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