參數(shù)資料
型號(hào): MAX9856ETL+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 45/46頁(yè)
文件大?。?/td> 0K
描述: IC AUDIO CODEC 40TQFN-EP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類(lèi)型: 音頻編解碼器
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(biāo)準(zhǔn) ADC / DAC (db): 77 / 91
動(dòng)態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db): 85 / 91
電壓 - 電源,模擬: 1.71 V ~ 3.6 V
電壓 - 電源,數(shù)字: 1.71 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 40-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 40-TQFN-EP(5x5)
包裝: 帶卷 (TR)
MAX9856
Low-Power Audio CODEC with
DirectDrive Headphone Amplifiers
8
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LINEIN1/LINEIN2 INPUTS
Line Input Full-Scale Input
Voltage
0dBFS
2
VP-P
Input DC Bias Voltage
0V
Line Input Resistance
RIN
PGA = 0dB (Note 9)
12
21
k
Ω
Crosstalk
LINEIN1 to LINEIN2 or LINEIN2 to
LINEIN1, f = 1kHz
97
dB
Line Channel-to-Channel Gain
Matching
AVMATCH
±2
%
PGA Gain Range
-32
+30
dB
PGA Gain Step Size
-32dB to +30dB
2
dB
AUXIN INPUT
AUXIN Full-Scale Input Voltage
0dBFS
AUXDC = 0
2
VP-P
Input DC Voltage Range
AUXDC = 1
0
1
V
Input DC Bias Voltage
AUXDC = 0
0
V
AUXDC = 0
12
21
k
Ω
AUXIN Input Resistance
RIN
AUXDC = 1
100
M
Ω
Line Channel-to-Channel Gain
Matching
AVMATCH
±2
%
PGA Gain Range
-32
+30
dB
PGA Gain Step Size
-32dB to +30dB
2
dB
JACK SENSE OPERATION (EN[2:0] = 000)
JACKSNS High Threshold
(JKMIC)
VTH1
TA = +25°C
0.92 x
VMICBIAS
0.95 x
VMICBIAS
0.98 x
VMICBIAS
V
JACKSNS Deglitch Period
(JKMIC)
tGLITCH
Pulses shorter than tGLITCH are eliminated
12
ms
JACKSNS Voltage (JKMIC)
JDETEN = 1
VAVDD
V
HEADSET IMPEDANCE DETECT MODE (EN[2:0] = 111)
JACKSNS/HPL/HPR High
Threshold
(JSDET/ HSDETL/HSDETR)
VTH2
HPL/HPR disabled
0.32
0.40
0.48
V
JACKSNS/HPL/HPR Low
Threshold
(JSDET/HSDETL/HSDETR)
VTH3
HPL/HPR disabled
0.075
0.100
0.125
V
JACKSNS/HPL/HPR Sense
Current
(JSDET/HSDETL/HSDETR)
ISNS
HPL/HPR disabled
1.7
2.0
2.3
mA
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VCPVDD = VDVDDS2 = VDVDD = 1.8V, RHP = 32Ω, RLINE = 10kΩ, C1 = 4.7F, C2 = 4.7F, CREF = CMBIAS = CPREG =
CNREG = 1F, AVPRE = +20dB, CMICBIAS = 1F, AVMIGPGA = 0dB, fMCLK = 11.2896MHz, DRATE = 00, TA = TMIN to TMAX, unless
otherwise noted. Typical values are at TA = +25°C.) (Note 1)
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