参数资料
型号: MAX97003EWP+T
厂商: Maxim Integrated Products
文件页数: 8/48页
文件大小: 0K
描述: IC AUDIO SUBSYSTEM LN 20WLP
标准包装: 2,500
类型: D 类;H 类
输出类型: 1-通道(单声道)或 2-通道(立体声)
在某负载时最大输出功率 x 通道数量: 1W x 2 @ 8 欧姆
电源电压: 2.7 V ~ 5.5 V
特点: 消除爆音,差分输入,关闭
安装类型: *
供应商设备封装: *
封装/外壳: *
包装: *
Maxim Integrated Products 16
MAX97003
High-Efficiency, Low-Noise Audio Subsystem
Typical Operating Characteristics (continued)
(VDD = 1.8V, VPVDD = 4.2V, VGND = VPGND = 0V. Headphone path: PGAIN_ = -1.5dB, HP_VOL = 0dB, HPGAIN = +2dB, input signal
configured singled-ended. Speaker path: PGAIN_ = 0dB, SPKVOL = 0dB, SPKGAIN = +12dB, input signal configured differential.
Speaker loads (ZSPK) connected between SPKP and SPKN. Headphone loads (RHP) connected from HPL or HPR to GND. SDA and
SCL pullup voltage = 1.8V. ZSPK = J, RHP = J. CC1P-C1N = CCPVDD = CCPVSS = CBIAS = 1FF.)
EFFICIENCY vs. OUTPUT POWER
MAX97003
toc12
OUTPUT POWER (mW)
EFFICIENCY
(%)
2.0
1.5
1.0
0.5
10
20
30
40
50
60
70
80
90
100
0
2.5
ZSPK = 8I + 68H
ZSPK = 4I + 33H
VPVDD = 4.2V
fIN = 1kHz
EFFICIENCY vs. OUTPUT POWER
MAX97003
toc13
OUTPUT POWER (mW)
EFFICIENCY
(%)
1.5
1.0
0.5
10
20
30
40
50
60
70
80
90
100
0
2.5
ZSPK = 8I + 68H
ZSPK = 4I + 33H
VPVDD = 3.6V
fIN = 1kHz
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX97003
toc14
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
5.0
4.5
4.0
3.5
3.0
0.5
1.0
1.5
2.0
2.5
0
2.5
5.5
ZSPK = 8I + 68H
fIN = 1kHz
1% THD+N
10% THD+N
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX97003
toc15
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
5.0
4.5
4.0
3.5
3.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0
2.5
5.5
ZSPK = 4I + 33H
fIN = 1kHz
1% THD+N
10% THD+N
OUTPUT POWER vs. LOAD RESISTANCE
MAX97003
toc16
LOAD RESISTANCE (I)
OUTPUT
POWER
(W)
100
10
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
11k
THD+N = 1%
VPVDD = 4.2V
ZSPK = LOAD + 68H
fIN = 1kHz
THD+N = 10%
FREQUENCY (Hz)
1k
100k
PSRR
(dB)
10k
100
10
POWER-SUPPLY REJECTION
RATIO vs. FREQUENCY
MAX97003
toc17
20
40
60
80
100
120
0
VPVDD = 4.2V
VRIPPLE = 200mVP-P
ZSPK = 8I + 68H
INPUTS AC-COUPLED TO GND
SPEAKER AMPLIFIER
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