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参数资料
| 型号： | MAX9770EUI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/22页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO 1.2W MONO D 28TSSOP |
| 标准包装： | 2,500 |
| 类型： | D 类 |
| 输出类型： | 1-通道（单声道），带立体声耳机 |
| 在某负载时最大输出功率 x 通道数量： | 1.2W x 1 @ 8 欧姆; 80mW x 2 @ 16 欧姆 |
| 电源电压： | 2.5 V ~ 5.5 V |
| 特点： | 消除爆音，输入多路复用器，静音，短路和热保护，关机 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 28-TSSOP |
| 封装/外壳： | 28-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 带卷 (TR) |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9770EVKIT | 功能描述:音频 IC 开发工具 Programmers, Development Systems RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压: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 |
| MAX9773EBP+TG45 | 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9773ETG+ | 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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