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参数资料
型号： MAX9875ERP+T
厂商： Maxim Integrated Products
文件页数： 4/30页
文件大小： 0K
描述： IC AUDIO SUBSYSTEM 20UCSP
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 2,500
系列： DirectDrive®
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： 825mW x 1 @ 4 欧姆; 53mW x 2 @ 16 欧姆
电源电压： 2.7 V ~ 5.25 V
特点： 消除爆音，差分输入，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： 20-UCSP
封装/外壳： 20-WFBGA，CSPBGA
包装： 带卷 (TR)
MAX9875
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
12
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = VPVDD = 3.7V, VGND = VPGND = 0V. Single-ended inputs, preamp gain = 0dB, volume controls = 0dB, OSC = 00, SHDN = 1.
Speaker loads (ZSPK) connected between OUT+ and OUT-. Headphone loads (RHP) connected from HPL or HPR to GND. ZSPK =
∞, RHP = ∞. C1 = C2 = CBIAS = 1F. TA = +25°C, unless otherwise noted.)
HEADPHONE AMPLIFIER
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9875
toc36
FREQUENCY (Hz)
THD+N
(%)
0
0.001
0.01
0.1
10
100
1k
10k
100k
VDD = VPVDD = 3.7V
RHP = 32
POUT = 10mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9875
toc37
FREQUENCY (Hz)
THD+N
(%)
1
0.001
0.01
0.1
10
100
1k
10k
100k
VDD = VPVDD = 3.7V
RHP = 16
POUT = 20mW
POUT = 40mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9875
toc38
FREQUENCY (Hz)
THD+N
(%)
1
0.001
0.01
0.1
10
100
1k
10k
100k
VDD = VPVDD = 3V
RHP = 32
POUT = 10mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9875
toc39
FREQUENCY (Hz)
THD+N
(%)
1
0.001
0.01
0.1
10
100
1k
10k
100k
VDD = VPVDD = 3V
RHP = 16
POUT = 15mW
POUT = 30mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9875
toc40
OUTPUT POWER (mW)
THD+N
(%)
30
20
10
0.01
0.1
1
10
0.001
040
VDD = VPVDD = 3.7V
RHP = 32
fIN = 20Hz
fIN = 1kHz fIN = 6kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9875
toc41
OUTPUT POWER (mW)
THD+N
(%)
0.01
0.1
1
10
0.001
0
204060
10
30
50
70
VDD = VPVDD = 3.7V
RHP = 16
fIN = 20Hz AND 1kHz
fIN = 6kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9875
toc42
OUTPUT POWER (mW)
THD+N
(%)
30
20
10
0.01
0.1
1
10
0.001
040
VDD = VPVDD = 3V
RHP = 32
fIN = 20Hz
fIN = 1kHz
fIN = 6kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9875
toc43
OUTPUT POWER (mW)
THD+N
(%)
0.01
0.1
1
10
0.001
020
40
10
30
50
60
VDD = VPVDD = 3V
RHP = 16
fIN = 20Hz AND 1kHz
fIN = 6kHz
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