參數(shù)資料
型號: MAX9851ETM+T
廠商: Maxim Integrated Products
文件頁數(shù): 2/71頁
文件大?。?/td> 0K
描述: IC CODEC AUDIO STEREO 48TQFN
標準包裝: 2,500
類型: 立體聲音頻
數(shù)據(jù)接口: 串行
分辨率(位): 18 b
ADC / DAC 數(shù)量: 2 / 2
三角積分調(diào)變:
S/N 比,標準 ADC / DAC (db): 81.5 / 88
動態(tài)范圍,標準 ADC / DAC (db): 82 / 87.5
電壓 - 電源,模擬: 2.6 V ~ 3.3 V
電壓 - 電源,數(shù)字: 1.7 V ~ 3.3 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-WFQFN 裸露焊盤
供應商設備封裝: 48-TQFN-EP(7x7)
包裝: 帶卷 (TR)
MAX9851/MAX9853
Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
10
______________________________________________________________________________________
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
Line In to Speaker Out Voltage
Gain
+12.1dB volume setting, PVDD = +5V
4.0
4.2
4.4
V/V
Output Offset Voltage
VOS
10
100
mV
Total Harmonic Distortion Plus
Noise
THD+N
RL = 8
Ω, POUT = 125mW, f = 1kHz, BW =
22Hz to 20kHz, +10.1dB volume setting
0.03
%
Dynamic Range
DR
+12.1dB volume setting, A-weighted
90
dB
PVDD = 2.6V to 5.5V
50
70
VRIPPLE = 100mVP-P, f = 217Hz
70
Power-Supply Rejection Ratio
PSRR
VRIPPLE = 100mVP-P, f = 10kHz
55
dB
Crosstalk
RL = 8
Ω, POUT = 100mW, f = 1kHz
60
dB
Channel Gain Matching
AVMATCH
±4
%
Class D Switching Frequency
1100
kHz
Into shutdown
-35
Click-and-Pop Level
KCP
Peak voltage, 32-
samples per second,
A-weighted
RL = 8
Ω (Note 11)
Out of shutdown
-35
dBV
Efficiency
POUT = 1W per channel, RL = 8
Ω
75
%
LINE OUTPUT AMPLIFIERS (MAX9853) (Note 12)
Line Output Common-Mode
Voltage
1.13
1.23
1.33
V
Line Output Differential Offset
Voltage
-90
+90
mV
Maximum Differential Output
Voltage
3.16
4.16
4.74
VP-P
Dynamic Range
DR
1.4mVRMS (-60dB) output voltage,
A-weighted
88
dB
Total Harmonic Distortion Plus
Noise
THD+N
fIN = 1kHz, VOUT = 2VP-P, BW = 22Hz to
20kHz
0.004
%
AVDD = 2.6V to 3.6V
57
100
VRIPPLE = 100mVP-P, f = 217Hz
95
Power-Supply Rejection Ratio
PSRR
VRIPPLE = 100mVP-P, f = 20kHz
55
dB
Line Input to Line Output Gain
Accuracy
-0.4
+0.6
dB
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