參數(shù)資料
型號: MAX9777ETI+
廠商: Maxim Integrated Products
文件頁數(shù): 3/27頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 2.6W AB 28TQFN
標準包裝: 60
類型: AB 類
輸出類型: 2-通道(立體聲)帶立體聲耳機
在某負載時最大輸出功率 x 通道數(shù)量: 2.6W x 2 @ 4 歐姆; 200mW x 2 @ 16 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點: 消除爆音,I²C,輸入多路復(fù)用器,靜音,關(guān)機,熱保護
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
封裝/外殼: 28-WFQFN 裸露焊盤
包裝: 管件
MAX9777/MAX9778
Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
_
__
_
11
Pin Description
PIN
MAX9777
MAX9778
NAME
FUNCTION
1
SDA
Serial Data I/O
2—
INT
Interrupt Output
3, 4
VDD
Power-Supply Input
5
INL1
Left-Channel Input 1
6
INL2
Left-Channel Input 2
7
GAINLA
Left-Channel Gain Set A
8
GAINLB
Left-Channel Gain Set B
9, 13, 23, 27
PGND
Power Ground. Connect to GND.
10
OUTL+
Left-Channel Bridged Amplifier Positive Output. OUTL+ also serves as the
left-channel headphone amplifier output.
11, 25
PVDD
Output Amplifier Power Supply
12
OUTL-
Left-Channel Bridged Amplifier Negative Output
14
SHDN
Active-Low Shutdown Input. Connect SHDN to VDD for normal operation.
15
ADD
Address Select. A logic-high sets the address LSB to 1, a logic-low sets the
address LSB to zero.
16
HPS
Headphone Sense Input. A logic-high configures the device as a single-
ended headphone amp. A logic-low configures the device as a BTL
speaker amp.
17
BIAS
DC Bias Bypass Terminal. See the BIAS Capacitor section for capacitor
selection. Connect CBIAS from BIAS to GND.
18
GND
Ground. Connect to PGND.
19
INR1
Right-Channel Input 1
20
INR2
Right-Channel Input 2
21
GAINRA
Right-Channel Gain Set A
22
GAINRB
Right-Channel Gain Set B
24
OUTR+
Right-Channel Bridged Amplifier Positive Output. OUTR+ also serves as the
right-channel headphone amplifier output.
26
OUTR-
Right-Channel Bridged Amplifier Negative Output
28
SCL
Serial Clock Line
1
MUTE
Active-High Mute Input
2
HPS_EN
Headphone Enable. A logic-high enables HPS. A logic-low disables HPS
and the device is always configured as a BTL speaker amplifier.
15
GAINA/B
Gain Select. A logic-low selects the gain set by GAIN_A. A logic-high
selects the gain set by GAIN_B.
—28
IN1/2
Input Select. A logic-low selects amplifier input 1. A logic-high selects
amplifier input 2.
EP
Exposed Paddle. Connect to GND.
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MAX9777ETI+ 功能描述:音頻放大器 Integrated Circuits (ICs) 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
MAX9777ETI+T 功能描述:音頻放大器 Integrated Circuits (ICs) 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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MAX9778ETI+T 功能描述:音頻放大器 Integrated Circuits (ICs) 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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