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參數資料
型號: MAX9888EVKIT+
廠商: Maxim Integrated Products
文件頁數: 97/115頁
文件大小: 0K
描述: KIT EVALUATION FOR MAX9888
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
系列: DirectDrive®, FLEXSOUND™
相關產品: MAX9888EWY+T-ND - IC CODEC AUDIO FLEXSOUND 63WLP
Stereo Audio CODEC
with FlexSound Technology
MAX9888
82
Table 15. Automatic Level Control Registers
Parametric Equalizer
The parametric EQ contains five independent biquad
filters with programmable gain, center frequency, and
bandwidth. Each biquad filter has a gain range of Q12dB
and a center frequency range from 20Hz to 20kHz. Use a
filter Q less than that shown in Figure 21 to achieve ideal
frequency responses. Setting a higher Q results in non-
ideal frequency response. The biquad filters are series
connected, allowing a total gain of Q60dB.
Figure 21. Maximum Recommended Filter Q vs. Frequency
REGISTER
BIT
NAME
DESCRIPTION
0x41
7
ALCEN
ALC Enable
Enables ALC on both the DAI1 and DAI2 playback paths.
0 = Disabled
1 = Enabled
6
ALCRLS
ALC and Excursion Limiter Release Time
Sets the release time for both the ALC and Excursion Limiter. See the Excursion
Limiter section for Excursion Limiter release times. ALC release time is defined as the
time required to adjust the gain from 12dB to 0dB.
VALUE
ALC RELEASE TIME (s)
5
000
8
001
4
010
2
011
1
4
100
0.5
101
0.25
110
Reserved
111
Reserved
3
ALCMB
Multiband Enable
Enables dual-band processing with a 5kHz center frequency. SR1 and SR2 must be
configured properly to achieve the correct center frequency for each playback path.
0 = Single-band ALC
1 = Dual-band ALC
2
ALCTH
Low Signal Threshold
Selects the minimum signal level to be boosted by the ALC.
000 = -JdB (low-signal threshold disabled)
001 = -12dB
010 = -18dB
011 = -24dB
100 = -30dB
101 = -36dB
110 = -42dB
111 = -48dB
1
0
CENTER FREQUENCY (Hz)
MAXIMUM
RECOMMENDED
FILTER
Q
10,000
1000
1
10
100
1000
0.1
100
100,000
fs = 8kHz
fs = 48kHz
fs = 96kHz
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相關代理商/技術參數
參數描述
MAX9888EVKIT+ 功能描述:音頻 IC 開發工具 MAX9888 Eval Kit RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
MAX9888EWY+T 功能描述:接口—CODEC Stereo Audio CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
MAX9889EWO+T 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
MAX988ESA 功能描述:校驗器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓(最大值):6 mV 電源電流(最大值):1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
MAX988ESA+ 功能描述:校驗器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓(最大值):6 mV 電源電流(最大值):1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
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