參數(shù)資料
型號： MAX9856ETL+T
廠商： Maxim Integrated Products
文件頁數(shù)： 44/46頁
文件大小： 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： 是
S/N 比，標(biāo)準(zhǔn) ADC / DAC (db)： 77 / 91
動態(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
安裝類型： 表面貼裝
封裝/外殼： 40-WFQFN 裸露焊盤
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
_______________________________________________________________________________________
7
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
AVPRE = 0dB, AVMICPGA = 0dB,
VIN = 500mVP-P, f = 1kHz, A-weighted
0.04
AVPRE = +20dB, AVMICPGA = 0dB,
VIN = 50mVP-P, f = 1kHz, A-weighted
0.08
Total Harmonic Distortion Plus
Noise
THD+N
AVPRE = +30dB, AVMICPGA = 0dB,
VIN = 18mVP-P, f = 1kHz, A-weighted
0.08
%
VAVDD =1.71V to 3.6V, TA = +25°C
79
80
VRIPPLE = 100mV at 1kHz, input referred
80
MIC Power-Supply Rejection
Ratio
PSRR
VRIPPLE = 100mV at 10kHz, input referred
50
dB
MICROPHONE BIAS
VAVDD = 1.8V (MBSEL = 0 register setting)
1.4
1.5
1.6
MICBIAS Output Voltage
VMICBIAS
VAVDD = 3.0V (MBSEL = 1 register setting)
2.3
2.4
2.5
V
MICBIAS Load Regulation
IMICBIAS = 0 to 2mA
0.8
10
Ω
MICBIAS Capacitive Load
Minimum capacitive load
1
F
MICBIAS Short-Circuit Current
To GND
14
mA
VAVDD = 1.71V to 3.6V, MBSEL = 0,
TA = +25°C
75
86
VRIPPLE = 100mV at 1kHz
86
MICBIAS Power-Supply Rejection
Ratio
PSRR
VRIPPLE = 100mV at 10kHz
76
dB
f = 10Hz to 20kHz
3
VRMS
MICBIAS Noise Voltage
VNOISEMIC
BIAS
MBSET = 0 or 1
f = 1kHz
20
nV/
√Hz
AUTOMATIC GAIN CONTROL
Threshold Level
Set by AGCSTH[3:0]
-3
-18
dB
Attack Time
Set by AGCATK[1:0]
3
200
ms
Release Time
Set by AGCRLS[2:0]
0.078
10.000
s
Hold Time
Set by AGCHLD[1:0]
50
400
ms
AVPRE = +30dB
30 to 50
AVPRE = +20dB
20 to 40
Gain Adjustment Range
AVPRE = 0dB
0 to 20
dB
ADC LOW-LEVEL QUIETING
NG Attack and Release Time
Full 12dB quieting at 1dB of
attenuation/(gain) for every 2dB
decrease/(increase) of signal level
(immediate release if PGA < 20dB gain
when AGC is enabled)
0.5
s
NG Threshold Level
ANTH[3:0] setting range (AGC off) (AGC on
adjusts these values by 20dB since low-
level signals cause maximum AGC gain in
the PGA)
-64
-28
dB
NG Attenuation
1dB of attenuation for every 2dB signal
amplitude decrease from NG threshold
012
dB
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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參數(shù)描述
MAX9856EVKIT+ 功能描述:音頻 IC 開發(fā)工具 Evaluation Kit for the MAX9856 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
MAX9856GTL/V+ 功能描述:接口—CODEC Low-Power Audio CODEC with DirectDrive Headphone Amplifiers RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
MAX9856GTL/V+T 功能描述:接口—CODEC Low-Power Audio CODEC with DirectDrive Headphone Amplifiers RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
MAX985EBT+T 功能描述:校驗(yàn)器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
MAX985EBT+TG45 功能描述:校驗(yàn)器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
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