參數(shù)資料
型號(hào): MAX9796EBX+TG45
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 15/28頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUDIO 2.3W MONO D 36UCSP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
系列: DirectDrive®
類型: D 類
輸出類型: 1-通道(單聲道),帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 2.3W x 1 @ 4 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,I²C,靜音,短路和熱保護(hù),關(guān)機(jī),音量控制
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 36-UCSP
封裝/外殼: 36-WFBGA,CSBGA
包裝: 帶卷 (TR)
MAX9796
Mono/Left/Right Volume Control
The MAX9796 has separate volume control for each of
the internal signals: left (L), right (R), and mono (M). The
final gain of each signal is determined by the way the
following bits are set: MVOL, LVOL, RVOL, INA+20dB,
IN+6dB, and MONO+6dB. Table 7 shows how to config-
ure the L, R, and M amplifiers for specific gains.
2.3W, High-Power Class D Audio Subsystem
with DirectDrive Headphone Amplifiers
22
______________________________________________________________________________________
PROGRAMMING MODE
INTERNAL SIGNALS LEFT (L), RIGHT (R), AND MONO (M)
INMODE
B3
B2
B1
B0
LR
M
0
INA1 + INB1 + INC1
INA2 + INB2 + INC2
0
1
INA1 + INB1
INA2 + INB2
INC1 - INC2
0
1
0
INA1 + INC1
INA2 + INC2
INB1 - INB2
0
1
INA1
INA2
(INB1 - INB2) + (INC1 -
INC2)
0
1
0
INA1 + (INC1 - INC2)
INA2 + (INB1 - INB2)
0
1
0
1
INA1 + (INB1 - INB2)
INA2 + (INC1 - INC2)
0
1
0
INB1 + INC2
INB2 + INC2
INA1 - INA2
0
1
INB1
INB2
(INA1 - INA2) + (INC1 -
INC2)
1
0
INC1
INC2
(INA1 - INA2) + (INB1 -
INB2)
100
1
(INA1 - INA2) + (INB1 -
INB2)
1
0
1
0
INC1 - INC2
INB1 - INB2
INA1 - INA2
1
0
1
INB1 - INB2
INC1 - INC2
INA1 - INA2
Table 5b. Internal Signals L, R, and M
B7
B6
B5
B4
B3
B2
B1
B0
Mono Volume Control
0
1
MVOL
Left Volume Control
0
1
0
LVOL
Right Volume Control
0
1
RVOL
Table 6. Mono/Left/Right Volume Control Registers
MVOL/LVOL/RVOL
B4
B3
B2
B1
B0
GAIN (dB)
00000
Mute
00001
-75
00010
-71
00011
-67
00100
-63
00101
-59
00110
-55
00111
-51
MVOL/LVOL/RVOL
B4
B3
B2
B1
B0
GAIN (dB)
01000
-47
01001
-44
01010
-41
01011
-38
01100
-35
01101
-32
01110
-29
01111
-26
Table 7. Volume Control Settings
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