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参数资料
| 型号： | MAX9722BETE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/21页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO .13W STER AB 16TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 系列： | DirectDrive® |
| 类型： | AB 类 |
| 输出类型： | 耳机，2-通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 130mW x 2 @ 32 欧姆 |
| 电源电压： | 2.4 V ~ 5.5 V |
| 特点： | 消除爆音，差分输入，短路和热保护，关闭 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 包装： | 管件 |
MAX9722A/MAX9722B
5V, Differential Input, DirectDrive, 130mW
Stereo Headphone Amplifiers with Shutdown
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(PVDD = SVDD = +5V, PGND = SGND = 0V, SHDN = SVDD, C1 = C2 = 1F, RL =
∞, resistive load referenced to ground, for
MAX9722A gain = -1V/V (RIN = RF = 10k
Ω), for MAX9722B gain = -2V/V (internally set), TA = -40°C to +85°C, unless otherwise noted.
Typical values are at TA = +25°C, unless otherwise noted.) (Note 1)
Note 1: All specifications are 100% tested at TA = +25
°C; temperature limits are guaranteed by design.
Note 2: Gain for the MAX9722A is adjustable.
Note 3: The amplifier inputs are AC-coupled to ground through CIN_.
Note 4: Measurement bandwidth is 22Hz to 22kHz.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RL = 16
Ω, POUT = 55mW, f = 1kHz
0.03
Total Harmonic Distortion Plus
Noise (Note 4)
THD+N
RL = 32
Ω, POUT = 125mW, f = 1kHz
0.009
%
Signal-to-Noise Ratio
SNR
RL = 32
Ω, POUT = 20mW, f = 22Hz to 22kHz
100
dB
Noise
Vn
22Hz to 22kHz bandwidth, input AC grounded
6
VRMS
Slew Rate
SR
0.5
V/s
Maximum Capacitive Load
CL
No sustained oscillation
200
pF
Charge-Pump Oscillator
Frequency
fOSC
505
600
800
kHz
Crosstalk
RL = 32
Ω, VIN = 200mVP-P, f = 10kHz, AV = 1
78
dB
ESD Protection
Human Body Model (OUTR and OUTL)
±8kV
Thermal-Shutdown Threshold
145
°C
Thermal-Shutdown Hysteresis
5
°C
Typical Operating Characteristics
(MAX9722A, PVDD = SVDD = +5V, PGND = SGND = 0V, SHDN = SVDD, C1 = C2 = 1F, RL =
∞, gain = -1V/V, single-ended input,
THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25
°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9722
toc01
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
0.0001
10
100k
VDD = 3V
AV = -1V/V
RL = 16
Ω
POUT = 30mW
POUT = 5mW
POUT = 15mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9722
toc02
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
0.0001
10
100k
VDD = 3V
AV = -1V/V
RL = 32
Ω
POUT = 40mW
POUT = 5mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9722
toc03
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
0.0001
10
100k
VDD = 5V
AV = -1V/V
RL = 16
Ω
POUT = 40mW
POUT = 5mW
POUT = 60mW
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9722BETE+ | 功能描述:音频放大器 DirectDrive 130mW Headphone Amplifier 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 |
| MAX9722BETE+G104 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9722BETE+T | 功能描述:音频放大器 DirectDrive 130mW Headphone Amplifier 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 |
| MAX9722BETE+WG104 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9722BETE-T | 功能描述:音频放大器 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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