參數(shù)資料
型號： MAX98089ETN+T
廠商： Maxim Integrated Products
文件頁數(shù)： 5/131頁
文件大小： 0K
描述： IC CODEC AUDIO FLEXSOUND 56TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
系列： FlexSound™
類型： 立體聲音頻
數(shù)據(jù)接口： I²C，串行
分辨率（位）： 24 b
ADC / DAC 數(shù)量： 2 / 2
三角積分調(diào)變： 無
S/N 比，標(biāo)準(zhǔn) ADC / DAC (db)： 93 / 101
動態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db)： 93 / 101
電壓 - 電源，模擬： 1.65 V ~ 2 V
電壓 - 電源，數(shù)字： 1.65 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 56-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 56-TQFN-EP（7x7）
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： MAX98089ETN+TDKR
Low-Power, Stereo Audio Codec
with FlexSound Technology
Table 23. Speaker Output Level Register
Speaker Output Volume
Speaker Amplifier Signal Processing
The IC includes signal processing to improve the sound
quality of the speaker output and protect transducers
from damage. An excursion limiter dynamically adjusts
the highpass corner frequency, while a power limiter and
distortion limiter prevent the amplifier from outputting too
much distortion or power. The excursion limiter is located
in the DSP while the distortion limiter and power limiter
control the analog volume control (Figure 28). All three
limiters analyze the speaker amplifier’s output signal to
determine when to take action.
Excursion Limiter
The excursion limiter is a dynamic highpass filter that
monitors the speaker outputs and increases the highpass
corner frequency when the speaker amplifier’s output
exceeds a predefined threshold. The filter smoothly
transitions between the high and low corner frequency to
prevent unwanted artifacts. The filter can operate in four
different modes:
U
Fixed-Frequency Preset Mode. The highpass corner
frequency is fixed at the upper corner frequency and
does not change with signal level.
U
Fixed-Frequency Programmable Mode. The high-
pass corner frequency is fixed to that specified by the
programmable biquad filter.
U
Preset Dynamic Mode. The highpass filter automati-
cally slides between a preset upper and lower corner
frequency based on output signal level.
U
User-Programmable Dynamic Mode. The highpass
filter slides between a user-programmed biquad filter
on the low side to a predefined corner frequency on
the high side.
REGISTER
BIT
NAME
DESCRIPTION
0x3D/0x3E
7
SPLM/SPRM
Left/Right Speaker Output Mute
0 = Disabled
1 = Enabled
4
SPVOLL/SPVOLR
Left/Right Speaker Output Volume Level
VALUE
VOLUME (dB)
VALUE
VOLUME (dB)
0x00
-62
0x10
-10
0x01
-58
0x11
-8
3
0x02
-54
0x12
-6
0x03
-50
0x13
-4
0x04
-46
0x14
-2
0x05
-42
0x15
0
0x06
-38
0x16
+1
0x07
-35
0x17
+2
2
0x08
-32
0x18
+3
0x09
-29
0x19
+4
0x0A
-26
0x1A
+5
0x0B
-23
0x1B
+6
1
0x0C
-20
0x1C
+6.5
0x0D
-17
0x1D
+7
0x0E
-14
0x1E
+7.5
0x0F
-12
0x1F
+8
Maxim Integrated
102
MAX98089
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MAX98089EVKIT#TQFN 功能描述:音頻 IC 開發(fā)工具 MAX98089 Eval Kit 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
MAX98089EVKIT#WLP 功能描述:音頻 IC 開發(fā)工具 MAX98089 Eval Kit 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
MAX98089EVKIT+TQFN 功能描述:音頻 IC 開發(fā)工具 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
MAX98089EVKIT+WLP 功能描述:音頻 IC 開發(fā)工具 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
MAX98089EWY+ 制造商:Maxim Integrated Products 功能描述:STEREO AUDIO CODEC WITH FLEXSOUND TUNING TECHNOLOGY AND BASI - Rail/Tube
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