BassMax, I2C, Volume and Gain Control
參數(shù)資料
型號(hào): MAX9726BETP+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 24/24頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUDIO .124W STER 20TQFN
標(biāo)準(zhǔn)包裝: 2,500
系列: DirectDrive®
類型: AB 類
輸出類型: 耳機(jī),2-通道(立體聲)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 124mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 低音增強(qiáng)模式,消除爆音,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: 20-TQFN-EP(4x4)
封裝/外殼: 20-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
MAX9726
DirectDrive, Headphone Amplifier with
BassMax, I2C, Volume and Gain Control
_______________________________________________________________________________________
9
Pin Description
PIN
BUMP
TQFN
UCSP
NAME
FUNCTION
1A1
VDD
Power-Supply Input. Bypass VDD to PGND with a 1F capacitor.
2
A2
C1P
Charge-Pump Flying Capacitor Positive Terminal. Connect a 1F capacitor between C1P
and C1N.
3
A3
PGND
Power Ground. Connect to SGND.
4
A4
C1N
Charge-Pump Flying Capacitor Negative Terminal. Connect a 1F capacitor between C1P
and C1N.
5A5
PVSS
Charge-Pump Output. Connect to SVSS and bypass with a 1F capacitor to PGND.
6
B3
SDA
Serial Data Input. Connect a pullup resistor greater than 500
Ω from SDA to VDD.
7
C3
SCL
Serial Clock Input. Connect a pullup resistor greater than 500
Ω from SCL to VDD.
8C2
SHDN
Active-Low Shutdown Input. Drive
SHDN low to disable the MAX9726. Connect SHDN to
VDD while bit 7 is high for normal operation (see the Command Register section).
9
B4
FBL
Left-Channel Feedback Output. Connect a feedback resistor between FBL and INL. See
the Gain-Setting Components section.
10
B5
INL
Left-Channel Input. Connect an input resistor to INL. See the Gain-Setting Components
section.
11
C5
INR
Right-Channel Input. Connect an input resistor to INR. See the Gain-Setting Components
section.
12
C4
FBR
Right-Channel Feedback Output. Connect a feedback resistor between FBR and INR. See
the Gain-Setting Components section.
13
D5
SGND
Signal Ground. Connect to PGND.
14
D2
NREG
Negative Supply Regulator Voltage. Bypass NREG to PGND with a 1F capacitor.
15
D4
BMR
Right BassMax Input. Connect an external passive network between OUTR and BMR to
apply bass boost to the right-channel output. See the Gain-Setting Components section.
Connect BMR to SGND if BassMax is not used.
16
D1
SVSS
Headphone Amplifier Negative Power-Supply Input. Connect to PVSS and bypass with a
1F capacitor to PGND.
17
C1
OUTR
Right Headphone Output
18
B1
OUTL
Left Headphone Output
19
D3
BML
Left BassMax Input. Connect an external passive network between OUTL and BML to
apply bass boost to the right-channel output. See the Gain-Setting Components section.
Connect BML to SGND if BassMax is not used.
20
B2
PREG
Positive Supply Regulator Voltage. Bypass PREG to PGND with a 1F capacitor.
EP
EP
Exposed Pad. Connect EP to SVSS or leave unconnected.
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