参数资料
型号: MAX9768ETG+
厂商: Maxim Integrated Products
文件页数: 25/26页
文件大小: 0K
描述: IC AMP AUDIO 10W MONO D 24TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
类型: D 类
输出类型: 1-通道(单声道)
在某负载时最大输出功率 x 通道数量: 10W x 1 @ 8 欧姆
电源电压: 4.5 V ~ 14 V
特点: 消除爆音,I²C,静音,短路和热保护,关机,音量控制
安装类型: 表面贴装
供应商设备封装: 24-TQFN-EP(4x4)
封装/外壳: 24-WFQFN 裸露焊盘
包装: 管件
MAX9768
10W Mono Class D Speaker
Amplifier with Volume Control
8
_______________________________________________________________________________________
EFFICIENCY vs. OUTPUT POWER
MAX9768
toc13
OUTPUT POWER (W)
EFFICIENCY
(%)
10
46
8
2
20
10
30
50
40
60
100
80
70
90
0
PWM MODE
PVDD = 12V
fIN = 1kHz
RL = 8
Ω
FILTERLESS MODULATION
EFFICIENCY vs. OUTPUT POWER
MAX9768
toc14
OUTPUT POWER (W)
EFFICIENCY
(%)
2.0
1.0
1.5
0.5
20
10
30
50
40
60
100
80
70
90
0
PWM MODE
FILTERLESS MODULATION
PVDD = 5V
fIN = 1kHz
RL = 8
Ω
EFFICIENCY vs. SUPPLY VOLTAGE
MAX9768
toc15
SUPPLY VOLTAGE (V)
EFFICIENCY
(%)
14.5
8.5
10.5
12.5
6.5
83
86
89
95
92
80
4.5
THD+N = 10%
THD+N = 1%
fIN = 1kHz
RL = 8
Ω
FILTERLESS MODULATION
EFFICIENCY vs. SUPPLY VOLTAGE
MAX9768
toc16
SUPPLY VOLTAGE (V)
EFFICIENCY
(%)
14.5
8.5
10.5
12.5
6.5
83
86
89
95
92
80
4.5
fIN = 1kHz
RL = 8
Ω
PWM MODULATION
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9768
toc17
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
14
810
12
6
2
4
6
8
14
12
10
0
4
RL = 8
Ω
fIN = 1kHz
PWM MODE
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9768
toc18
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
14
810
12
6
2
4
6
8
12
10
0
4
RL = 4
Ω
fIN = 1kHz
PWM MODE
THD+N = 1%
THD+N = 10%
OUTPUT POWER vs. LOAD RESISTANCE
MAX9768
toc19
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
30
10
15
25
20
5
2
4
6
8
12
10
0
PVDD = 12V
f = 1kHz
PWM MODE
THD+N = 1%
THD+N = 10%
OUTPUT POWER vs. LOAD RESISTANCE
MAX9768
toc20
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
30
10
15
25
20
5
0.5
1.0
1.5
2.5
2.0
3.5
3.0
0
PVDD = 5V
f = 1kHz
PWM MODE
THD+N = 1%
THD+N = 10%
Typical Operating Characteristics (continued)
(VPVDD = 12V, VDD = 3.3V, VGND = VPGND = 0, VMUTE = 0; 0dB volume setting; all speaker load resistors connected between OUT+
and OUT-, RL = 8
Ω, unless otherwise noted. CBIAS = 2.2F, C1 = C2 = 0.1F, CIN = 0.47F, RIN = 20kΩ, RFB = 30kΩ, spread-spec-
trum modulation mode.)
CASE TEMPERATURE vs. OUTPUT POWER
MAX9768
toc21
OUTPUT POWER (W)
CASE
TEMPERATURE
C)
12
46
10
8
2
10
30
20
40
50
70
60
90
80
0
fIN = 1kHz
RL = 8
Ω
PVDD = 14V
PVDD = 12V
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MAX9768ETG+ 功能描述:音频放大器 10W Mono Class D Speaker 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
MAX9768ETG+T 功能描述:音频放大器 10W Mono Class D Speaker 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
MAX9768EVCMAXQU+ 功能描述:音频放大器 Evaluation Kit/Evaluation System for the MAX9768 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
MAX9768EVKIT+ 功能描述:音频 IC 开发工具 MAX9768 Eval Kit 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
MAX976ESA 功能描述:校验器 IC Dual High Speed Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压(最大值):6 mV 电源电流(最大值):1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel