参数资料
型号: MAX9853ETM+
厂商: Maxim Integrated Products
文件页数: 13/71页
文件大小: 0K
描述: IC CODEC AUDIO STEREO 48TQFN
标准包装: 43
类型: 立体声音频
数据接口: 串行
分辨率(位): 18 b
ADC / DAC 数量: 2 / 2
三角积分调变:
S/N 比,标准 ADC / DAC (db): 81.5 / 88
动态范围,标准 ADC / DAC (db): 82 / 87.5
电压 - 电源,模拟: 2.6 V ~ 3.3 V
电压 - 电源,数字: 1.7 V ~ 3.3 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(7x7)
包装: 管件
MAX9851/MAX9853
Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
20
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(AVDD = CPVDD = +3V, DVDD = DVDDS2 = +1.8V, PVDD = +3.3V, RHP = 32
Ω, ZSPK = 8Ω + 10H, RREC = 32Ω, ROUTL+ to ROUTL- =
ROUTR+ to ROUTR- = 10k
Ω, C1 = 0.22F, C2 = CVMREG = CVPREG = CMBIAS = CREF = 1F, MCLK = 13MHz, all PGAs = 0dB,
HP/REC volume = -20.0dB, SPK volume = -20.4dB, line output gain = -0.4dB, fS = 48kHz for nonvoice mode, TA = TMIN to TMAX,
unless otherwise noted. Typical values are at TA = +25°C.)
HEADPHONE AMP OUTPUT POWER
vs. SUPPLY VOLTAGE (AVDD)
MAX9851/53
toc22
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
3.4
3.2
3.0
2.8
10
20
30
40
50
60
70
80
90
0
2.6
3.6
fIN = 1kHz
RL = 32
Ω
HP GAIN = 95.5dB
THD+N = 10%
THD+N = 1%
HEADPHONE AMP OUTPUT POWER
vs. SUPPLY VOLTAGE (AVDD)
MAX9851/53
toc23
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
3.4
3.2
3.0
2.8
20
40
60
80
100
120
140
0
2.6
3.6
fIN = 1kHz
RL = 16
Ω
HP GAIN = 95.5dB
THD+N = 10%
THD+N = 1%
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (DAC TO HP)
MAX9851/53
toc24
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-110
-90
-100
-70
-80
-60
-40
-50
-30
-10
-20
0
-120
10
100k
VRIPPLE = 100mVP-P
AC SIGNAL APPLIED TO
AVDD AND CPVDD
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (DAC TO RECEIVER)
MAX9851/53
toc25
FREQUENCY (Hz)
PSRR
(dB)
10k
100
1k
-100
-110
-90
-80
-60
-70
-50
-30
-40
-10
-20
0
-120
10
100k
VRIPPLE = 100mVP-P
AC SIGNAL APPLIED TO
AVDD AND CPVDD
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (DAC TO LINE OUT)
MAX9851/53
toc26
FREQUENCY (Hz)
PSRR
(dB)
10k
100
1k
-100
-110
-90
-80
-60
-70
-50
-30
-40
-10
-20
0
-120
10
100k
VRIPPLE = 100mVP-P
AC SIGNAL APPLIED TO
AVDD AND CPVDD
MAX9853
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (DAC TO SPEAKER)
MAX9851/53
toc27
FREQUENCY (Hz)
PSRR
(dB)
10k
100
1k
-100
-110
-90
-80
-60
-70
-50
-30
-40
-10
-20
0
-120
10
100k
VRIPPLE = 100mVP-P
AC SIGNAL APPLIED TO
PVDD ONLY
MAX9851
FFT, DAC TO LINE OUT
8kHz SLAVE VOICE MODE, 0dBFS
MAX9851/53
toc28
FREQUENCY (kHz)
AMPLITUDE
(dBFS)
3
2
1
-120
-100
-80
-60
-40
-20
0
20
-140
04
MAX9853
FFT, DAC TO LINE OUT
8kHz MASTER VOICE MODE, 0dBFS
MAX9851/53
toc29
FREQUENCY (kHz)
AMPLITUDE
(dBFS)
3
2
1
-120
-100
-80
-60
-40
-20
0
20
-140
04
MAX9853
FFT, DAC TO LINE OUT
8kHz MASTER VOICE MODE, -60dBFS
MAX9851/53
toc30
FREQUENCY (kHz)
AMPLITUDE
(dBFS)
3
2
1
-120
-100
-80
-60
-40
-20
0
20
-140
04
MAX9853
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MAX9851ETM+ IC CODEC AUDIO STEREO 48TQFN-EP
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