參數(shù)資料
型號: MAX9879ERV+
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 音頻控制
英文描述: Stereo Class D Audio Subsystem with DirectDrive Headphone Amplifier; Package: UCSP (R);30 pin;6 mm² ; Temperature: -40°C to +85°C
中文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PBGA30
封裝: 2.50 X 3 MM, 0.50 MM PITCH, ROHS COMPLAINT, UCSP-30
文件頁數(shù): 16/31頁
文件大?。?/td> 539K
代理商: MAX9879ERV+
MAX9879
Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
______________________________________________________________________________________
23
Shutdown (S
SH
HD
DN
N)
1 = MAX9879 operational.
0 = MAX9879 in low-power shutdown mode.
SHDN is an active-low shutdown bit that overrides all
settings and places the entire device in low-power shut-
down mode. The I2C interface is fully active in this shut-
down mode and bypass mode remains operational.
Volume Control
The device has a separate volume control for left head-
phone, right headphone, and speaker amplifiers. The
total system gain is a combination of the input gain, the
volume control, and the output amplifier gain. Table 4
shows the volume settings for each volume control.
Table 4. Volume Control Settings
_VOL
CODE
B4
B3
B2
B1
B0
GAIN (dB)
0
MUTE
1
0
1
-75
2
0
1
0
-71
3
0
1
-67
4
0
1
0
-63
5
0
1
0
1
-59
6
0
1
0
-55
7
0
1
-51
8
0
1
0
-47
9
0
1
0
1
-44
10
0
1
0
1
0
-41
11
0
1
0
1
-38
12
0
1
0
-35
13
0
1
0
1
-32
14
0
1
0
-29
15
0
1
-26
_VOL
CODE
B4
B3
B2
B1
B0
GAIN (dB)
16
1
0
-23
17
1
0
1
-21
18
1
0
1
0
-19
19
1
0
1
-17
20
1
0
1
0
-15
21
1
0
1
0
1
-13
22
1
0
1
0
-11
23
1
0
1
-9
24
1
0
-7
25
1
0
1
-6
26
1
0
1
0
-5
27
1
0
1
-4
28
1
0
-3
29
1
0
1
-2
30
1
0
-1
31
1
0
Table 5. Output Mode Control
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
0x04
SHDN
BYPASS
0
ENB
ENA
LSPK
EN
RSPK
EN
HPEN
Table 3. Speaker/Left Headphone/Right Headphone Volume Control
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
0x01
0
SVOL (Table 4)
0x02
0
HPLVOL (Table 4)
0x03
0
HPRVOL (Table 4)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9879ERV+T 功能描述:音頻放大器 Audio Subsystem w/DirectDrive 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9879EVKIT+ 功能描述:音頻放大器 Stereo Class D Audio Subsystem with DirectDrive Headphone Amplifier 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX987ESA 功能描述:校驗器 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
MAX987ESA+ 功能描述:校驗器 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
MAX987ESA+T 功能描述:校驗器 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