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參數(shù)資料
| 型號： | MAX9770EUI+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 2/22頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO 1.2W MONO D 28TSSOP |
| 標準包裝： | 50 |
| 類型： | D 類 |
| 輸出類型： | 1-通道（單聲道），帶立體聲耳機 |
| 在某負載時最大輸出功率 x 通道數(shù)量： | 1.2W x 1 @ 8 歐姆; 80mW x 2 @ 16 歐姆 |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 特點： | 消除爆音，輸入多路復用器，靜音，短路和熱保護，關機 |
| 安裝類型： | 表面貼裝 |
| 供應商設備封裝： | 28-TSSOP |
| 封裝/外殼： | 28-TSSOP（0.173"，4.40mm 寬） |
| 包裝： | 管件 |
MAX9770
1.2W, Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
10
______________________________________________________________________________________
PIN
TQFN-EP
TSSOP
NAME
FUNCTION
1
4
BIAS
Common-Mode Bias Voltage. Bypass with a 0.047F capacitor to GND.
25
VDD
Power Supply
3
6
HPOUTR
Right-Channel Headphone Output
4
7
HPOUTL
Left-Channel Headphone Output
58
SVSS
Headphone Amplifier Negative Power Supply
6
9
HPS
Headphone Sense Input
7
10
CPVDD
Positive Charge-Pump Power Supply
8
11
CPVSS
Charge-Pump Output. Connect to SVSS.
9
12
C1N
Charge-Pump Flying Capacitor Negative Terminal
10
13
C1P
Charge-Pump Flying Capacitor Positive Terminal
11
14
CPGND
Charge-Pump Ground
12
15
SEL1
Select Stereo Channel 1 Inputs. Digital input. Drive SEL1 high to select inputs IN1L and
IN1R.
13
16
SEL2
Select Stereo Channel 2 Inputs. Digital input. Drive SEL2 high to select inputs IN2L and
IN2R.
14
17
SELM
Select Mono Channel Input. Digital input. Drive SELM high to select the MONO input.
15
18
SHDN
Shutdown. Drive SHDN low to disable the device. Connect SHDN to VDD for normal
operation.
16
19
SYNC
Frequency Select and External Clock Input:
SYNC = GND: fixed-frequency PWM mode with fS = 1100kHz.
SYNC = Unconnected: fixed-frequency PWM mode with fS = 1450kHz.
SYNC = VDD: spread-spectrum PWM mode with fS = 1220kHz
±120kHz.
SYNC = Clocked: fixed-frequency PWM mode with fS = external clock frequency.
17
20
PGND
Speaker Amplifier Power Ground
18
21
OUT+
Speaker Amplifier Positive Output
19
22
OUT-
Speaker Amplifier Negative Output
20
23
PVDD
Speaker Amplifier Power Supply
21
24
GAIN2
Gain Control Input 2
22
25
GAIN1
Gain Control Input 1
23
26
MONO
Mono Channel Input
24
27
IN2L
Stereo Channel 2, Left Input
25
28
IN1L
Stereo Channel 1, Left Input
26
1
GND
Ground
27
2
IN2R
Stereo Channel 2, Right Input
28
3
IN1R
Stereo Channel 1, Right Input
——
EP
Exposed Paddle. Can be left unconnected or connected to GND. Connect to ground
plane for improved thermal performance.
Pin Description
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9770EUI+ | 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 產品: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 |
| MAX9770EUI+T | 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 產品: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 |
| MAX9770EVKIT | 功能描述:音頻 IC 開發(fā)工具 Programmers, Development Systems RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| MAX9772EBA | 制造商:Maxim Integrated Products 功能描述:1.2WLOW-EMIFILTERLESSMONO CLASS - Rail/Tube |
| MAX9772EBA-T | 制造商:Maxim Integrated Products 功能描述:1.2W,LOW-EMI,FILTERLESS,MONO CLASS D AMP. W S - Tape and Reel |
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