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参数资料
| 型号： | MAX9722BETE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 18/21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
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(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.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9722
toc22
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VDD = 5V
AV = -1V/V
RL = 32
Ω
RIGHT
LEFT
CROSSTALK vs. FREQUENCY
MAX9722
toc23
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VDD = 3V
AV = -1V/V
VIN = 200mVP-P
RL = 32
Ω
RIGHT TO LEFT
LEFT TO RIGHT
CROSSTALK vs. FREQUENCY
MAX9722
toc24
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VDD = 5V
AV = -1V/V
VIN = 200mVP-P
RL = 32
Ω
RIGHT TO LEFT
LEFT TO RIGHT
GAIN FLATNESS vs. FREQUENCY
MAX9722
toc25
FREQUENCY (Hz)
GAIN
(dB)
10k
100
1k
-3
-2
-1
0
1
2
3
4
-4
10
100k
VDD = 5V
AV = -1V/V
RL = 32
Ω
CHARGE-PUMP OUTPUT RESISTANCE
vs. SUPPLY VOLTAGE
MAX9722
toc26
SUPPLY VOLTAGE (V)
OUTPUT
RESISTANCE
(Ω
)
5.2
4.8
4.0
4.4
3.2
3.6
2.8
1
2
3
4
5
6
7
8
9
10
0
2.4
5.6
VIN = GND
IPVSS = 10mA
C1 = C2 = 2.2
μF
NO LOAD
OUTPUT POWER vs. LOAD RESISTANCE
MAX9722
toc27
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
40
30
20
10
20
30
40
50
60
0
10
50
VDD = 3V
f = 1kHz
AV = -1V/V
THD+N = 1%
C1 = C2 = 1
μF
C1 = C2 = 0.68
μF
C1 = C2 = 0.47
μF
C1 = C2 = 2.2
μF
OUTPUT SPECTRUM vs. FREQUENCY
MAX9722
toc28
FREQUENCY (kHz)
OUTPUT
(dBc)
15
10
5
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
-100
020
VDD = 5V
RL = 32
Ω
VOUT = 1mVRMS
f = 1kHz
AV = -1V/V
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX9722
toc29
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5
4
12
3
1
2
3
4
5
6
7
8
0
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9722
toc30
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(nA)
4
3
2
1
2
4
6
8
10
12
14
16
18
20
0
05
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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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