參數(shù)資料
型號： MAX9850ETI+TG47
廠商： Maxim Integrated Products
文件頁數(shù)： 12/36頁
文件大?。?/td> 0K
描述： IC AMP AUDIO HDPHN STER 28WQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
系列： DirectDrive®
類型： AB 類
輸出類型： 耳機(jī)，2-通道（立體聲）
在某負(fù)載時最大輸出功率 x 通道數(shù)量： 95mW x 2 @ 16 歐姆
電源電壓： 1.8 V ~ 3.6 V
特點： DAC，消除爆音，數(shù)字輸入，I²C，I²S，線路級輸入和輸出，靜音，關(guān)機(jī)，音量控制
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 28-TQFN-EP（5x5）
封裝/外殼： 28-WFQFN 裸露焊盤
包裝： 帶卷 (TR)
MAX9850
Stereo Audio DAC with DirectDrive
Headphone Amplifier
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(DVDD = AVDD = PVDD = 3.0V, AGND = DGND = PGND = 0V, C1 = 0.47F, C2 = 2.2F, CNREG = CPREG = CREF = 1F to AGND,
RLOAD_HP = 32
Ω to AGND, RLOAD_OUT = 10kΩ to AGND, fLRCLK = 48kHz, fMCLK = 12.288MHz, volume set to -9.5dB, TA = TMIN to
TMAX, unless otherwise noted. Typical specifications at TA = +25°C, unless otherwise noted.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
(Voltages with respect to AGND.)
DVDD, AVDD, PVDD ..................................................-0.3V to +4V
AVDD Referenced to PVDD....................................-0.3V to +0.3V
SVSS, PVSS ...............................................................-4V to +0.3V
SVSS Referenced to PVSS .....................................-0.3V to +0.3V
DGND, PGND........................................................-0.3V to +0.3V
BCLK, LRCLK, HPS, SDIN.......................-0.3V to (DVDD + 0.3V)
GPIO, MCLK.............................................................-0.3V to +4V
REF, PREG ...............................................-0.3V to (AVDD + 0.3V)
NREG ........................................................+0.3V to (SVSS - 0.3V)
SDA, SCL, ADD ........................................................-0.3V to +4V
INL, INR .......................................................................-2V to +2V
HPR, HPL.....................................(SVSS - 0.3V) to (AVDD + 0.3V)
OUTL, OUTR .............................(NREG - 0.3V) to (PREG + 0.3V)
C1N ............................................(PVSS - 0.3V) to (PGND + 0.3V)
C1P ............................................(PGND - 0.3V) to (PVDD + 0.3V)
Current Into/Out of Any Pin ...............................................100mA
Duration of HPL, HPR, OUTL,
OUTR Short Circuit to AGND .................................Continuous
Continuous Power Dissipation (TA = +70°C)
28-Pin Thin QFN (derate 35.7mW/°C above +70°C) .....2857mW
Junction Temperature ......................................................+150°C
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Analog Supply Voltage
AVDD,
PVDD
AVDD = PVDD
1.8
3.6
V
Digital Supply Voltage
DVDD
1.8
3.6
V
AVDD = 1.8V
5.5
7.7
Full operation (Note 2),
no headphone or line
output load
AVDD = 3.0V
5.9
AVDD = 1.8V
3.5
5.3
Analog Supply Current
AIDD
Full operation (Note 2),
headphones disabled
AVDD = 3.0V
3.75
mA
DVDD = 1.8V
2.1
2.9
Digital Supply Current
DIDD
Full operation (Note 2),
no line output load
DVDD = 3.0V
3.8
mA
Analog Shutdown Current
AISHDN
IAVDD + IPVDD, AVDD = PVDD = 1.8V
1.5
10
A
Digital Shutdown Current
DISHDN
Static digital interface, DVDD = 1.8V
0.3
5
A
Shutdown to Full Operation
(Note 2)
tON
1.3
ms
Power-On to Full Operation
(Note 2)
tPON
1.4
ms
DAC PERFORMANCE/LINE OUTPUTS (Note 3)
0dBFS Output Voltage
VOUT_FS
1.85
1.95
2.05
VP-P
AVDD = 3.0V
87.5
Dynamic Range (Note 4)
DR
AVDD = 1.8V
82
87.5
dB
Unweighted
88
A-weighted
91
AVDD = 1.8V, unweighted
88
Signal-to-Noise Ratio
(Note 5)
SNR
AVDD = 1.8V, A-weighted
91
dB
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參數(shù)描述
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