参数资料
型号: MAX9853ETM+
厂商: Maxim Integrated Products
文件页数: 71/71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
_______________________________________________________________________________________
9
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = CPVDD = +3V, DVDD = DVDDS2 = +1.8V, PVDD = +3.3V, RHP = 32
Ω, ZSPK = 8Ω + 10H, RREC = 32Ω, ROUTL+ to ROUTL- =
10k
Ω, ROUTR+ to ROUTR- = 10kΩ, 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
HEADPHONE AMPLIFIERS
RL = 16
Ω
80
Output Power
POUT
f = 1kHz, THD < 1%,
volume +5.5dB
RL = 32
Ω
30
55
mW
0dBFS Output Voltage
+4.5dB volume setting, input is full-scale
signal from the audio DAC
3.14
3.38
3.62
VP-P
Stereo/mono
1.54
1.66
1.78
Line In to HP Out Voltage Gain
+4.5dB volume setting
Balanced mono
3.1
3.35
3.6
V/V
Output Offset Voltage
VOS
10
40
mV
RL = 32
Ω, POUT = 50mW, f = 1kHz,
BW = 22Hz to 20kHz
0.03
Total Harmonic Distortion Plus
Noise
THD+N
RL = 16
Ω, POUT = 60mW, f = 1kHz,
BW = 22Hz to 20kHz
0.03
%
Dynamic Range
DR
+5.5dB volume setting (DAC input to HP
output), A-weighted
70
87.5
dB
AVCC = 2.6V to 3.6V
60
95
VRIPPLE = 100mVP-P, f = 217Hz
95
Power-Supply Rejection Ratio
(DAC Input to HP Out)
PSRR
VRIPPLE = 100mVP-P, f = 10kHz
68
dB
Maximum Capacitive Load
CL
No sustained oscillations
150
pF
Crosstalk (Line Input to
Headphone Output)
RL = 32
Ω, POUT = 1.6mW, f = 1kHz
-85
dB
Channel Gain Matching
AVMATCH
Line input to headphone output
±1
%
Into shutdown, HP
disabled
-53
Click-and-Pop Level
KCP
Peak voltage, 32-
samples per second,
A-weighted,
RL = 32
Ω (Note 11)
Out of shutdown,
HP enabled
-48
dBV
SPEAKER AMPLIFIERS (MAX9851) (Note 12)
PVDD = 3.3V,
THD+N < 1%
RL = 8
Ω
500
PVDD = 5V,
THD+N < 1%
RL = 8
Ω
1150
PVDD = 3.3V,
THD+N < 10%
RL = 8
Ω
600
Output Power
POUT
f = 1kHz,
2VP-P line input,
+13.1dB
speaker amp
volume setting
PVDD = 5V,
THD+N < 10%
RL = 8
Ω
1250
mW
0dBFS Output Voltage
+12.1dB volume setting, PVDD = +5V
8.4
VP-P
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