參數(shù)資料
型號： MAX9702B
廠商： Maxim Integrated Products, Inc.
英文描述： 1.8W, Filterless, Stereo, Class D Audio Power Amplifier and DirectDrive Stereo Headphone Amplifier
中文描述： 1.8W的，濾波，立體聲D類音頻功率放大器和DirectDrive立體聲耳機放大器
文件頁數(shù)： 23/32頁
文件大小： 1411K
代理商： MAX9702B
Command Register
The MAX9702 has one command register that is used to
set speaker and headphone gain, select an input mode,
and enable/disable shutdown. Table 3 describes the
function of the bits contained in the command register.
Programmable Speaker Gain
The MAX9702 has eight internally set speaker gains
selected by B0–B2 (see Table 4).
Programmable Headphone Gain
The MAX9702 has four headphone gain settings select-
ed by B3 and B4 (see Table 5).
Programmable Input Modes
The MAX9702 features a multiplexer that selects
between the stereo and mono inputs. The mux also
acts as a mixer when the mono and stereo inputs are
enabled at the same time. The MUTE function disables
the input signal to the output. All modes are selected
through B5 and B6 (see Table 6).
The MIX function attenuates and mixes the MONO and
STEREO signals. Each input signal is attenuated by
6dB prior to being mixed. This attenuation preserves
headroom at the output. The output signal is represent-
ed by the following equation when in MIX mode:
where A
V
is the amplifier gain.
OUT
(
OUT
or HP
IN
INM
2
A
V
_ ( )
__
_
_
)
=
+
×
M
1.8W, Filterless, Stereo, Class D Audio Power
Amplifier and DirectDrive Stereo Headphone Amplifier
______________________________________________________________________________________
23
BIT
B0
B1
B2
B3
B4
B5
B6
FUNCTION
DEFAULT
0
0
1
1
0
0
1
Speaker gain-setting bit
Speaker gain-setting bit
Speaker gain-setting bit
Headphone gain-setting bit
Headphone gain-setting bit
MONO enable bit (0 = Mute)
STEREO enable bit (0 = Mute)
B7
Shutdown bit (1 = normal, 0 =
shutdown)
1
Table 3. Command Bits and Description
B4
0
B3
0
FUNCTION
Headphone gain
GAIN (dB)
-2
0
1
Headphone gain
(default)
+1
1
1
0
1
Headphone gain
Headphone gain
+4
+7
Table 5. Programmable Headphone Gain
B6
0
0
B5
0
1
FUNCTION
MUTE (no input on the output)
MONO (MONO input sent to the output)
1
0
STEREO (left and right inputs sent to the
outputs) (default)
1
1
MIX (MONO and STEREO inputs are
mixed and output)
Table 6. Programmable Input Modes
B2
B1
B0
FUNCTION
GAIN
(dB)
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Speaker gain
Speaker gain
Speaker gain
Speaker gain
Speaker gain
+0
+3
+6
+9
+12
+15
+18
+21
Speaker gain
Speaker gain
Speaker gain
Table 4. Programmable Speaker Gain
相關PDF資料
PDF描述
MAX9703 Hex 2-Input OR Drivers 20-CDIP -55 to 125
MAX9703-MAX9704 15W, Filterless, Spread-Spectrum Mono/Stereo Class D Amplifiers
MAX9703ETJ 15W, Filterless, Spread-Spectrum Mono/Stereo Class D Amplifiers
MAX9704ETJ 15W, Filterless, Spread-Spectrum Mono/Stereo Class D Amplifiers
MAX9711ETC Synchronous 8-Bit Up/Down Counters 28-LCCC -55 to 125
相關代理商/技術參數(shù)
參數(shù)描述
MAX9702BETI+ 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TQFN - Rail/Tube
MAX9702BETI+T 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TQFN - Tape and Reel
MAX9702BEUI+ 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Rail/Tube
MAX9702BEUI+T 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Tape and Reel
MAX9702ETI+ 功能描述:音頻放大器 1.8W Filterless Class D Audio Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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